Automotive Technicians Technical Discussion and Fixes for Oct 6, 2004

Join Now

Prev	Professional Automotive Repair Technical Discussions for October 6, 2004 International Automotive Technicians' Network (iATN) - Members Only	Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models

	Help Request	Answers
	1997 Audi A4 1.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: WAVCB88DXV I have no reading for the throttle position sensor from the computer. I tested for power and ground at the module connector and it was ok. Another tech has replaced the throttle body itself and there was no change. I am wondering if the adaptation for the ecm ... Trouble codes: 1545 (Throttle position sensor problem)	View
	2000 Audi A4 1.8L air bag VIN: WAUDC68D2Y i have a 2000 audi a4 1.8t quattro the air bag light came on got code 01217 (n199)- drivers side - side air bag. cleared code and it came back a mile down the road. if anyone has any information it would be greatly apperciated. thanks.	View
	1997 BMW 740iL 4.4L Excessive Emissions VIN: WGDT3547HD This Car is Failing CA emmissions for NOX only. All service is current and the car runs excellent. No DME faults are present. Givin the good HC and CO numbers are the cat convertors bad, failing on NOX only? Could a on car fuel injection, intake valve cleaner ...	View
	2000 BMW 528i 2.8L coolant VIN: WBADM6346Y Hello Group, Of course this is a relative's car that I did a 90 thousand mile service on 10 thousand miles ago, and now I found that the new coolant (from BMW) had black engine oil in it causing the hoses to detereorate and the seal on the tanks of the radiat...	View
	1990 Buick Century Custom 3.3L Steering VIN: 1G4ALS1N7L Hello everyone we have a customer that has had this car since it was new and never had this problem before. What is happening is at idle when you turn the steering you get a kind of a moan or shutter that you hear and feel through the firewall/floor boards. If...	View
	1994 Cadillac DeVille 4.9L Cuts out VIN: 1G6KD52B7R When you put engine under load it acts like you have a rev limiter on it. Checked and found that half the injectors are cutting out from ECM. Still have the source voltage, but looses ground from ECM. Any help is welcome. Tried removing servo wiring at ECM and... Trouble codes: P0099, 1039	View
	1965 Chevrolet corvette 350CID radio VIN: 194375S120 Does anyone have the procedure for removing the factory radio and dash speaker? As stated the car has factory a/c, I will be sending radio out for repair. The car is a hardtop if this matters with the removal.	View
	1989 Chevrolet wcm31rq 454CID OverheatingEshaust m VIN: 1GBKP37W0J Disasssemble engine for lack of performance and excessive blow-by. Replaced piston 5,7,& 6 because of missing ring landings. Honed all cylinders and replaced all rings. Heads and valves re-worked with new guides. Repalced rod bearings and oil pump as preca...	View
	1996 Chevrolet S10 LS 4.3L No Start VIN: 1GCCS14X4T Truck came into shop on hook. customer said he had gotten gas with water in tank but he had pulled tank and drained. after putting good gas in truck would not start. he then pulled timing cover & checked chain. he did not install new chain. I started testing a...	View
	1997 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52M6V This car is driving me nuts!! No spark cold only. When car does eventually start (when it feels like it) it is absolutely fine warm...until it cools off again, then no spark. Have crank rpm, fuel pressure, injector pulse, but no spark. No codes at all. Replace...	View
	1999 Chevrolet Tahoe 5.7L rotors, VIN: 1GNC13ROXJ truck came in low brake padel,inspected brakes and found leaking master cly,low brake lining,so we replaced master cyl,rotors,pads,shoes,truck keeps coming back in for overheated brakes,we have truck here on hoist,and we have no drag on wheels,we replaced mast...	View
	2003 Chevrolet c2500 6.6L unknown VIN: 1GTHC24113 I have a 2003 C2500 truck with a 6.6 liter diesel in the shop that is giving us some problems. It initially came in for a LOF and a fuel filter. We changed the oil and replace both the oil filter and the fuel filter with WIX filters. The oil is 15W40. We have ...	View
	1987 Dodge Caravan SE 3.0L No Start VIN: 2P4FH4139H Van starts & dies. Pulled plugs and they were black. Put in new ones and scanned for codes code for system always lean. I checked EGR for always open, checked spark, fuel pressure, injector signal, all OK. Starts and runs smooth for a few seconds sometimes and...	View
	1994 Dodge B350 5.2L rear abs only VIN: 2B5WB35YOR Greetings to all, I have this van that the amber a.b.s. light comes on as well as the red brake light also.I tried grounding the diagnostic connector located underv the glove box but nothing happens in order to get codes.The lights will come on and go off when...	View
	1998 Dodge Grand Caravan 3.0L Instrument Cluster VIN: 2B4GP2438W I would first like to say thanks for taking the time to read this post. I appologize for the length, but I want to be confident that i have to replace something without reason. This is a new customer of mine and has stated that since the rear liftgate was rep...	View
	1999 Dodge Dakota 3.9L Output speed sensor Vehicle came in with yellow check engine light on & 720 code stored(output speed sensor). Replaces sensor, cleared code & cut light off. When monitoring sensor reading with my Mastertech it showed 0 most of the time, then every 10 seconds it would show 2650, n...	View
	1999 Dodge Durango 5.9L Poor Idle Quality, Hesitation, Stall I am stumped on this one. Vehicle came in for rough running no power and stalling. Plugs were replaced due to fouled condition along with the original cap, rotor, wires o2 and fuel injection cleaning. Vehicle runs so much better but not correct. It does not wa...	View
	2000 Dodge Durango 4.7L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 1B4HS28N1Y Hey gang, thanks in advance for the help. This Dodge was brought in on the hook originally for a no-start situation. Of coarse, it started right up when released from tow-truck. Our original thoughts were fuel pump, pressure proved to be ok. I then did a low-a...	View
	2001 Dodge Ram 3500 5.9L Hesitation, Cuts out VIN: 386ME36631 hi all need help with this one.runs great till it is up to operating temp.then it bogs down/hesitation only on acceleration.idles good and always starts we also tried another injection modual did not help.the injection pump was replaced at the dealer new and t...	View
	1989 Ford Mustang GT 5.0L Clutch VIN: 1FABP45E7K Hello everyone we have this Mustang in here for clutch problems. What we are having trouble with is the clutch has to be pushed so hard almost right through the floor to get it into reverse without it grinding. We have replaced the clutch assembly, cable, self...	View
	1993 Ford Ranger XL 3.0L abs VIN: 1FTCR1OU5P This truck had a rusted rear brakeline. It lost its fluid and the pedal was on the floor. After making the repairs we now have a hard ABS light (code 12 -Loss of hydraulic fluid for one second or more during anti-lock stop). I ran through the flow chart and it...	View
	1993 Ford Explorer XL 4.0L Poor Idle Quality, Misfire VIN: 1FAFP40413 ok, this one is making me scratch my head. Intermitenly the truck will run rough, doesnt matter if its hot or cold, but it has a definte misfire. Power balance test does not reveal any one clyinder, and does not seem to have a vacuum leak. It doesnt smoke, and...	View
	1997 Ford F-350 XL 7.3L No Start VIN: 1FTHF36F7V Hello all, We have a nightmare, approx. 2 months ago truck was towed in for no start, We replaced crank sensor, high pressure pump & regulator, Truck started & truck was picked up, Here we go again (towed in). Truck will start after cranking for about 20-30 se...	View
	1997 Ford Taurus GL 3.0L MIL Lamp on VIN: 1MELM53S2V car came in with 3 codes po401 egr flow po445?could not find meaning and po443 the 443 is my problemon this one I jumped the gun when I started checking I found the management valve full of oil assumed the valve shorted out BAD call I replaced it and on test d... Trouble codes: P0443	View
	1998 Ford Contour LX 2.5L No Start VIN: 1FAFP66LOW this car came in on the hook customer says he went to start it in the morning it tried to fire but stalled he tried again and it wouldnt start ive tested all the ovious it has spark and fuel good compression it acts like it not firing in the right order custom...	View
	1999 Ford Expedition Eddie Bauer 5.4L transmission VIN: 1FMPU18LXX 1999 expedition 5.4l w/4r100 trans that after sits approx 8hrs or overnight & put into drive slight delay, have to tach a bit & goes good for rest of day...had updated trans filter put in 5k miles ago & conditioner with no change. fluids are full & little colo...	View
	1999 Ford F-350 Super Duty XL 6.8L Hesitation, Surge, Misfire VIN: 1FTWW33SOX Hello, I have a po171,po300, and a po401. The dpfe was not showing the proper voltage so I replaced it ,now working and no more 401. This truck pings uphill and runs very badly,(feels like miss) but runs perfect with no load. problem occurs only under med to h... Trouble codes: P0171, P0401	View
	2000 Ford F-250 Super Duty Lariat 5.4L Misfire VIN: 1FTNF21L7Y I have a problem with this 5.4 ,it had a misfire on #1,i replaced plugs and new coil pack on cylinder.I still have no fire on #1 coil pack,has voltage to coilpack.I have changed it with other coil packs and it always is still dead on #1.My main question is,cou...	View
	2000 Ford F-150 Lariat 5.4L air inlet tube VIN: 1FTRX18L0Y Hi, I have a strange noise from the engine and would like some input. It is a low groan or whine like a p.s. noise. It appeares to be comming from around the air inlet tube to the idle air control valve. also the pcv makes a noise and rattle that is rather lou...	View
	2001 Ford F-150 King Ranch 5.4L Poor Idle Quality, Misfire VIN: 1FTRW08L71 the truck originally came in for a misfire. it had a po304 misfire code. we replaced all the plugs and a new coil on #4 cylinder. it corrected the problem for a month. the customer then brought it back for a misfire situation. it has no codes stored but we fee...	View
	1991 GMC K2500 Sierra SLE 5.7L brake light in dash VIN: 1GTFK24K3M we installed rear brakes & rear wheel cylinders. after manually bleeding the brakes, we noticed the brake light in the dash was staying on. prior to our repair, there was no problem with the light coming on.	View
	2003 GMC Sierra 2500 HD 6.6L Coolant Reservoir VIN: 1GTHC24173 Driver states that he had to stop and add coolant twice on a 65 mile trip. No visible sign of coolant leakage, none visible from exhaust and no bubbles in coolant bottle. I once heard that the EGR valve is water cooled and can leak into the combustion chamber ...	View
	1999 Honda Civic Value Package 1.6L high idle VIN: 2HGEJ6613X I need alittle help on this one. Idle speed is at 830. iac count is 17. We set base timming 12 degrees idle bleed screw is as low as it will go. With iac motor removed I can set idle as low as I whish.I have searched for vacum leaks with propane and found none...	View
	1993 Isuzu Trooper S 3.2L throwout bearing VIN: JACDH58V1P The car came back with the same problem as one year ago. This clutch uses a throwout bearing that is attached to the pressure plate leaf springs. It is pulled out to release the clutch rather than pressed in. We removed the transmission and found that the thro...	View
	1990 Jeep Cherokee Limited 4.0L Poor Idle Quality, Stall VIN: 1J4FJ78L2L can not pull codes French electronics, do get data stream. Must drive Jeep at least 30 miles before is acts up. If you let off throttle engine will die, Steepper motor does not pick up idle, if you drive with both feet you can keep motor running. While problem...	View
	1998 Jeep Cherokee Sport 4.0L No Start VIN: 1JF4FJ68SX Hi all, this vehicle was towed in. Quit while driving. It cranks ok but has no spark no fuel presure and no inj pulse. None of the relays will click on. The computer will not comunicate with either of the 2 scanners we have, but the trans computer will comunu...	View
	2001 Jeep Grand Cherokee Laredo 4.0L Trans over temp VIN: 1J4GW48S31 Customer complaints of o/d light AND trans over temp lamp, truck feels like it goes into limp mode. Condition happens off and on, hot or cold. Problem has been worse last few weeks. Our shop repaired a shift prob @68k, like most, with updated selo and transduc...	View
	1996 Lincoln Continental Anniversary 4.6L cd player VIN: 1LNLM97V7T Customer said that the car was fine. The cd player stopped working (will read all discs but won't play). After that car started to have some other weird electrical problems. I retreived a code for the radio U2005(audio rear icp unit not responding) any help on...	View
	1989 Mazda 323 1.6L No Start VIN: JM1BF2225K Now the car comes back, very hard to start, but once warmed up it runs good.I mean really hard to start, like a old car flooding, you have to feather the throttle and baby it till it clears out, like that. spark was good, injector had pulse with noid light,ok ...	View
	2000 Mazda 626 ES 2.5L Rear calipers VIN: 1YVGF22D9Y We're trying to install new rear pads on this vehicle and can't collapse the calipers. There are no slots for a tool. The dealer says they may be frozen. The pistons will spin but won't collapse. We've opened the bleeder with no effect. We've unhooked the emer...	View
	1997 Mercury Mountaineer 5.0L alarm VIN: 4M2DU55P1V cust complaining of alarm being sensitive, going off for no reason. i have checked for codes none found. there are six door switches and one ignition sensor. before we tear apart dood panels and column covers, does any body know if there is a common problem wi...	View
	1992 Mitsubishi Eclipse GS 2.0L Poor Idle Quality, Surge VIN: 4A3CS44R7N All Import Techs I have a 92 Eclipse thats I can't figure out the idle problem. The idle goes up and down from 1000 to 1500. When I put the A/c on it smooths out but after a while it starts to hunt again. I can't find no vacuum leaks, I clean the Idle control...	View
	1995 Nissan Maxima SE 3.0L door latch Car came in, customer climbed out drivers side door and asked that we reapir or replace the drivers door latch. Won't open from either inside or outside lever. My question is does anyone know how to get this door latch to work one more time to get the door ope...	View
	1999 Oldsmobile Alero GL 2.4L No Start, MIL Lamp on VIN: 1G3NL52T2X Many codes found in the computer one problem is that we have to sublet out to communicate with the BCM our scanner doesn't have the capabilities. When we sent it out told that there was a bunch of codes but the car started. The biggest problem is the theft det... Trouble codes: P1630, P1631, P1626, U1301, U1040, U1064	View
	1998 Plymouth Grand Voyager Expresso 3.3L ABS system VIN: 2P4GP44G4W CALLING ALL CHRYSLER TECHS.This one came in with ABS light on only and a Code 30(ABS pump inop). Diagnostics led us to replace the CAB module(scanner would not activate pump or solenoids). With new dealer CAB module we can activate pump and solenoid valves but...	View
	1989 Pontiac Firebird 5.0L No Start, blows ecu fuse VIN: IG2FS2IF8K ecu fuse blows on occaision but can blow three or four times in a row then work for a few weeks.	View
	1990 Pontiac Grand Am LE 2.3L waste spark? VIN: 1G2NE14DOL This vehicle intermittently has what appears to be ignition spark at the front crank pulley! More precisely 2 snaps at the 10 O'clock and 2 snaps at the 2 O'clock positions. No apparant misfire and no tach needle jump. Not familiar with this system; any ideas ...	View
	1998 Porsche Boxster 2.5L using oil, smoking VIN: WPOCA2988W Hi Everyone This car came in with large amounts of smoke from tail pipe. The engine had hydraulic locked at one time also during start up, removed spark plugs & found excessive oil in 3 cylinders, compression of all cylinder 175 & even. Checked leak down, is n...	View
	1999 Porsche 911 Carrera 3.4L MIL Lamp on VIN: WPOAA2992X Hello Porsche techs. This one stumbles me. The fuel EVAP system has no leaks. I checked it twice with vacuum pump. Holds vacuum for ever. Why an I getting this code? Is there a pressure sensor not reading the vacuum in the tank? Where would it be located and h... Trouble codes: P0455	View
	2002 Porsche Cayenne 4.5L neumatic suspension desactivate Please send me information about this because i dont known what i must do i check for information but i cant get please response me with any solution thank you sincerely Hernan [...] L. Cuenca-Ecuador	View
	2003 Porsche Carrera 4 S 3.6L remote locking VIN: WP0ZZZ99Z3 One of the two "main" car keys stoped locking/unlocking the car. The key red led flashes but remote control will not work. With other key system works well. The owners manual does not have information about remote control synchronization or battery replaceme...	View
	1995 Saab 900 SE 2.5L draw on battery VIN: YS3DF55V4S hi everyone. here goes another one. we have this 95 saab that came in a couple of days ago with complaint of no start in am and battery dead. customer jumps car and will start right up and run all day. he replaced 2 batteries in last 2 weeks. i checked for cha...	View
	1999 Saab 9-5 2.3L 3-2 shift VIN: Y5SED55E8X This vehicle grinds when downshifting into 2nd gear. We went through the shift linkage adjustment, no change. Vehicle seems young to have a synchro going bad. Anyone have any other ideas or experience?	View
	1994 Saturn SL1 1.9L No Start VIN: 1G82H559XP low ground voltage at tbi injector all tests point to pcm but pcm new great fuel pressure new wire run from pcm to injector no shorts. what tells pcm to increase ground voltage to injector?	View
	1999 Subaru Legacy Limited 30th Anniversary 2.5L MIL Lamp on VIN: 4S3BG685XX I have this subaru that insist on giving me stress.Vehicle came in with check engine lamp on intermitantly p0302 code stored and was over heating.There where lots of bubbles going into over flow so we decided to replace cylinder head gaskets and we sent the he... Trouble codes: P0302 (cylinder 2 misfire detected)	View
	1995 Toyota Corolla DX 1.8L Hesitation, Cuts out, Misfire VIN: 1NXAE09BXS hello to all. i have a corolla that initially came in for a missfire and lack of power. scoped ignition and foud coil weak, dist cap carbon tracked and 1 leaking ignition wire. replaced all and car has a lot more power but still cuts out badly on accel usually...	View
	1996 Toyota Tacoma DLX 2.4L No Start VIN: 4TAVL52N7T This engine fails to start after 30 sec hot soak. Found the previos repairs were not actually done. Replaced cap, rotor, wires, pcv, fuel filt, cleaned throttle bore. fuel press is in specs during failure, have noticed cracking the throttle seemsto make engine...	View
	1996 Volkswagen Passat TDI 1.9L no operation VIN: WVWHG83A6T Vehicle is newer to customer. All at once she says it began heavy smoking for the first few minutes after start up. No check engine light and no codes present. I began with a check of the glow plugs and all were dead. I replaced them but knew that there was a ...	View
	1997 Volkswagen Jetta GL 2.0L coolant VIN: 3VWL81H7VM Hey guys and gals, I have a Jetta here that has oil in the coolant. Customer is not complaining of any overheating, the car is here for maintenance.There is no sign of coolant in either the engine oil or the auto tranny. I know that these have problems with th...	View
	2001 Volkswagen Jetta GLS 2.8L MIL Lamp on VIN: 3VWTG29M31 Hi Techs, Have this code 17803 p1395 which indicates ign coil power stage elec malfunction. We replaced the coil twice and this code is still in the system. Any ideas would be muchly appreciated. Thanks Trouble codes: P1395	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1990 Audi 100 2.3L Excessive Emissions VIN: WAUBC544XL Never did find out for sure why the 02 voltage was being pulled down when it got plugged in. But, we adjusted (leaned) the CO screw on the MAF sensor to get the emmisions down. Customer didn't want to spend any money on hic car, so we let it go with that. Don'...	3
	2001 BMW X5 4.4i 4.4L Climate Fan front VIN: WBAFB33571 Hi dear Bmw techs the problem was in the final stage resistor of the blower motor, i dont receive any reply but its now fixed thank you all members	None
	1994 Buick Park Avenue 3.8L Stall VIN: 1G4CW52LOR I want to thank everyone for responding so quickly. I think the vehicle is fixed. I called the customer to ask him how it was doing and it turns out that he traded it off one week later after I had worked on it. He said it never stalled out any more , but th... Trouble codes: P0341.	9
	1988 Cadillac DeVille 4.5L Excessive Emissions VIN: 1G6C05153J Two of the replies I recieved suggested a ground problem to the ignition system. I ran an additional Ground from the battery to the ground wire coming from the distributor and this has rectified the problem. Thanks to all who replied.	3
	1995 Cadillac Seville STS 4.6L steering VIN: 1G6KY5292S techs : the fix after checking with 3-parts sources was able to purchase upper brg. strut plates,complete assm. each $ 800.00 used original struts. thanks to kenneth, so. calif.=richard minn.=juan so. calif. also iatn.	3
	1971 Chevrolet Corvette 350CID wipers VIN: 194671S104 we would like to thank everyone for their help. Chris from Calif. sent us a wiring and vacuum diag. and we were able to fix the problem. Special note- even though we had voltage at the motor and pump the fuse was bad!!! Go figure!! Anyways the vacuum was off i...	6
	1991 Chevrolet C1500 Cheyenne 5.7L AC vent doors VIN: 2GCEC19K4M I read all your emails for the repair and all of you was right on the money, I replaced the rec auctor motor and fixed the clicking problem and the linkage for the ac vent was completly gone ,had to replace that and every thig works well, thanks to you all, th...	9
	1997 Chevrolet Malibu LS 3.1L Surge VIN: 1G1NE52M8V most you you that responded said sounds like an intake leak, so i redone the intake gaskets back side gasket was cracked rechecked after ,vacuum in crankcase and surge was gone thanks to everyone	17
	1998 Chevrolet Blazer 4.3L Misfire, MIL Lamp on VIN: 1GNDT13W3W I'm closing this one as the customer has driven it nearly 1 month with no loss of power or MIL lamp. As I indicated in the update, the Delco cap & rotor was the fix. The over-all recommended solution was to repair the exhaust restriction. I wasn't going down t... Trouble codes: P0300 (random misfire).	16
	1998 Chevrolet K1500 Cheyenne 5.7L brake pedal VIN: 2GCEK19R2W Customer has been out of town a lot and been unable to get the truck back to me. Most of the replies suggested to check for rust or debris on the wheel speed sensors as this can often cause pedal pulsation without setting abs codes. I plan on checking this out...	24
	1998 Chevrolet Camaro 3.8L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2G1FP22KXW Sorry it took so long. I got really busy with hurricanes and such!!! Alot of replies said to check coolant temp sensor. I did as suggested. CTS ok. I also had customer exchange ICM from autozone. Autozone only tested it and said it was ok. But, I had already o... Trouble codes: P1361 (ic circuit), P1362 (ic circuit).	17
	1999 Chevrolet Monte Carlo LS 3.1L Cuts out VIN: 2G1WW12M9X I want to thank everybody for their help in this hair pulling problem. I fixed it by replacing the crank sensor. The scope I used wave forms were perfect after the car ran for an hour and a half. After tapping with a screw driver I finally found some breakage ... Trouble codes: N0NE.	9
	2001 Chevrolet Silverado 2500 HD 6.0L air bags VIN: 1GCHK291E1 Fellowtechs: This truck is fixed, thanks to all who responded. 3 of the 4 replies said that the BCM/VTD needed to be reprogrammed to match the new SDM. This requires a Tech 2 and/or reprogramming capabilties. 1 response suggested a bad igntion switch, but that...	4
	2001 Chevrolet Blazer Xtreme 4.3L MIL Lamp on VIN: 1GNCS18W31 Hi, Sorry for the delay but I thought the customer was coming back for repair but she declined repairs. Most replies mentioned fuses and locked up pumps but this pump was blowing plenty of air. There was some water in the pump so I suggested replacing the pump... Trouble codes: P0410 (Air injection system).	5
	2002 Chevrolet P 30 CHASSIS 5.7L No Start VIN: 5B44P42R42 Thanx to all how replied fuel pump was problem installed oem pump and truck runs like new. Have to give a thumb up to this site and all the people on it. Have a good day!!	11
	1993 Dodge W250 5.9L low power VIN: 1B7KM26C6P Thanks to all that responded and big thanks to Bob [...]. Pump pressure was not enough for this engine. I removed the large shim on the pump pressure adjustment valve and tweaked it down a bit to get rid of the black smoke. The customer smiled on the test drive...	10
	1999 Dodge Ram 1500 Laramie 3.9L cab vibration VIN: 1B7HC16X5X well i gave them all the replies you all gave me and they were good .but the only ones they did was to replace trans mount.it did not change.so insted of recalling dealer to see if they sent us the torque convertor for 3.9 and not a 5.9. he wants to go with ja...	9
	2001 Dodge Ram 2500 5.9L Cuts out VIN: 1B7KC23791 The DTC P0121 mislead me but I should have paid more attention to the jumping vehicle speed coming out of the ECM. I labscoped any sensor I could get my tip into and they all looked good. I labscoped the VSS signal right to the ECM plug and the signal was good... Trouble codes: P0121 (APPS voltage input below the minimum acceptable voltage).	6
	1980 Ford Bronco 5.8L assembly Well, since I was rebuilding a junk yard unit instead of the original I figured I would retrieve that deflector out of the unit coming out of the vehicle. What I discovered was that the unit I rebuilt was from and 85' Bronco and the unit I pulled was from an 8...	3
	1988 Ford F-350 Custom 7.3L Dual wheel conversion VIN: 1FDKF38M6J Thank you Thank you! This is such a great place. Been a member for 8 yrs I think and can't say enough about it to anyone that will listen. ( Yes, I know they are getting tired of hearing it). So here is the skinney: J C Whitney has a pair of adapters with ...	16
	1990 Ford Ranger S 2.9L Cooling Systems VIN: 1FTCR10T2L after reading responses pulled valve cover and pressure tested sure enough slightest crack on rear and front spring seats thanks iatn members	23
	1994 Ford Taurus GL 3.8L compressor VIN: 1FALP5248R Several people had fixed Taurus a/c with a bypass of the relay control unit but had to install a toggle switch to prevent the compressor running too much and freezing up. I followed most recommendations for a lower cost fix by getting a used a/c relay control ...	13
	1996 Ford E-350 Econoline Club Wagon XLT 5.8L abs VIN: 1FBJS31H5T Hello fellow Techs. I am happy to report that the van has been repaired successfully. After driving the vehicle for about a week, and ABS light tripped a Hard Code for the 'Rear Iso-Valve'. Upon inspection of the circuit from the HCU to the ABS control Module,...	2
	1998 Ford Explorer Eddie Bauer 5.0L Front Washer Inop VIN: 1FMZU35P1W In the many years doing all this for some money to eat and sleep and do other things with, this time I can explain 'I have deffinitly seen it all' To summerize, I knew this was some type of wire problem. The washer pump has twin outlet ports so depending on ...	4
	2000 Ford Focus ZX3 2.0L Hesitation VIN: 3FAFP3138Y I have to close this because I am running out of time. The responses included checking the IAT, ECT, TPS, and electronic fuel pressure regulator. I have checked all the readings on these sensors, and no abnormal signals or readings. Another response said to ch...	9
	1991 Geo Prizm 1.6L internal VIN: 1Y1SK4569M Seems as if you get what you pay for. (Junk from 'Junkyards')The 3rd tranny worked just fine. After getting numerous replies telling me to check the differential (had no idea the fluid was seperate from the rest of the tranny) I thought for sure that it would ...	13
	1997 GMC Safari SLE 4.3L Hesitation, Cuts out VIN: 1GKEL19WXV Many thanks to all who took the time to respond. Apparently this is not a common problem, and it is so intermittent that we have never experienced it and have very little data about what it happening. Possible suggestions are a faulty fuel pump, a piece of car...	9
	1999 GMC Sierra 1500 SL 5.3L Brake Pedal VIN: 1GTEC19T8X Thanks to all who responded. Most responses indicated possible problems with the wheel speed sensors. To date I have not had the failure manifest. GM TSB # 03-05-25-007A indicates inspecting wheel speed sensor mounting surfaces for corrosion or rust build up c...	17
	1985 Honda Prelude 2.0 Si 2.0L Excessive Emissions, Hesitation, Surge, MIL Lamp on, no power VIN: JHMBB5233F HI AGAIN Y'ALL !!! The ecm was behind the rear door panel. All we had to do was pop out ashtray and see the CODE 3. This was map sensor code. Guess what? The vacuum was low, less than 14'. The timing belt had jumpped a tooth. A new belt and new plugs have it...	7
	1991 Honda Accord LX 2.2L door ajar warning lite VIN: 1HGCB7552M Thanks all for your help. An internl feedback in the instrament cluster was the cause of the lites all coming on at once. Apparently there's an internal diode preventing feedback that shorted. Thanks again.	3
	1991 Jaguar XJ6 Sovereign 4.0L Door Locks VIN: SAJHY1743M Thanks to your prompt replies this one is fixed. There was some sugestion of electrical problems but these had been ruled out. One sugestion was to lock from the panic switch and then unlock and lock several times with key from drivers door to assure proper sy...	4
	1996 Jaguar Vanden Plas 4.0L Hesitation VIN: SAJKX6741T Thanks to all.The tune up did correct the engine hesitation.Did receive 1 reply to check for poor or corroded connections at ecm.Connections were fine.Substituted known good ecm,system did enter closed loop and check engine light would come on when engine sens...	3
	1994 Jeep Grand Cherokee Laredo 4.0L Stays in 3rd gear VIN: 1J4GZ58S2R We replaced the gov. pressure transducer and didn't change a thing. The fix was a replacement TCM, Jeep # [...]. The customer told us to park the vehicle out side on a warm day in direct sun and when the outside temp got to 80 F. the vehicle would run and s...	13
	2000 Mazda MPV DX 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JM3LW28G9Y Based on the good feedback from a corprate Mazda employee I'm convinced it's a lower intake gasket and will be replacing it as soon as it comes in! Thanks to the 4 who responded.Kenny Trouble codes: P, 0304 (Number four cylinder misfire).	4
	1990 Mercedes-Benz 300SL 3.0L convertible top VIN: WDBFA61EXL did not recieve any helpful information on this one however I did repair the vehicle.Turns out the soft top control unit that i originally suspected was indeed faulty and MBZ has a updated part,the hydraulic pump assembly inside the trunk was also faulty and a...	5
	2000 Mitsubishi Eclipse GS 2.4L pass key ? VIN: 4A3AC44G1Y Sent vehcile to dealer. Mitsubishi are the only ones and can reprogram th system. Thanks for your help.	4
	1999 Nissan Sentra XE 1.6L cooling fans VIN: 3NIAB41D6X We have determined that the problem is in the ECM. 195 is thermostat opening temp, and if fans are disconnected till eng reaches 3/4 guage the temp is aproximatly 128f. this is a more reasonable fan 'on' temp. 190 'off' is to low because it's below t/stat open...	4
	1995 Oldsmobile Aurora 4.0L Engine surging, temp VIN: 1G3GR62C0S I first inspected the engine wiring harness around the engine mounts and found no wires shorting to ground or pinched. I reinspected all the grounds and even did a voltage drop test on each one. After exhausting all other concerns, we sent vehicle to Oldsmobil... Trouble codes: 80 (Fuel system rich), 121 (A/C high side temp sensor problem), 73 (Intermittent cooalnt temp failure).	3
	1999 Oldsmobile Alero GL 2.4L front end right side VIN: 1G3NL52T9X finally, this vehicle is fixed without a front end noise!! thank you very much to all of those who said use oem bearings. we had purchased from a federated auto parts store aftermarket bearings back in april that we had installed. after much head pounding and ...	11
	2002 Oldsmobile Silhouette Premiere 3.4L Differential VIN: 1GHDV13EX2 The replies I received were quick and to the point. There is a fluid breakdown issue with the AWD rear diff. units. I supplied the customer with the replies and they went to the dealership to confront them with the facts. As they have extended warranty on this...	5

(Also Available: All, Asian, Chrysler, European, Ford, GM.)