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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 12, 2004
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Acura TL 3.2L right rear electric window VIN: 19UUA56712
I'm trying to get a jump on this one for Monday. The customer called for service and said he was also having trouble with the right rear window. He says that the window opens slightly on start-up. He doesn't notice it until he hears wind noise while driving. H...
2003 Acura RSX 2.0L 1-2 shift VIN: JH4DC548X3
1988 BMW 325is 2.5L Surge VIN: WBAAA2302J
Hello BMW techs: I have this 88 325is with a surging idle problem. I have a peak scanner which I used to retrieve codes. I found codes 81 and 93. However the manual did not have an interpretation of these codes for this particular model year. I suspect the IAC... Trouble codes: 81 (93 -), 93
2000 BMW 323Ci 2.5L air bag VIN: WBABM3342Y
The air bag light is illuminated with a hard code 10 stored I cannot find a definition for this code other than thinking that the older units code 10 refered to right crash sensor is this correct?
2000 BMW 328Ci 2.8L Cuts out, Stall, MIL Lamp on VIN: WBABM5347Y
Hello BMW techs I have helped many techs with VW advice over the years. Please help the VW guy with a BMW problem. There are 3 VWs in this new customer's family which I see regularly. They would like me to look after the BMW also. I am comfortable with the ... Trouble codes: 65 (Camshaft position sensor circuit malfunction)
2003 BMW 325xi 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: WBAEP33483
I have TWO of the same exact cars here...with the same exact problem. I'm a bit stumped. Both 2003 BMW 325xiT's came in with code p1345-Cylinder #2 misfire with fuel shut-off. I found the TSB about coil packs and checked them. They were the early ones so we re... Trouble codes: P1345
1994 Chevrolet K3500 Cheyenne 6.5L Stall VIN: 1GCHK39F9R
The vehicle stalls intermittantly when the outside temp is above 90 deg F While driving. I have left the vehicle running, in my stall, and it did stall once but I was not monitoring the fuel shut off solenoid voltage. The outside temp this week has been in the...
1995 Chevrolet Astro CL 4.3L Excessive Emissions, Poor Idle Quality, Misfire VIN: 1GNEL19W9S
Hello fellow techs, looking for an astrovan guru. Customer brought vehicle to us with rough idle, lack of power and black smoke coming out TP. When I drove it, it acted like maybe the firing order was off. Checked this first-ok. Disabled fuel pump and ran veh....
1999 Chevrolet Tahoe 5.7L No Start, Cuts out
car towed in, no start. battery was dead replaced plugs while charging battery.Cust said he flooded it, and plugs had seen better days.car will start and run for few seconds and cut right off even though pump still runs for another few seconds' pinched off ret...
2000 Chevrolet Blazer LS 4.3L temp. control VIN: 1GNCS13WOY
2000 chevy blazer w/ auto a/c. Does not maintain constant temp. Blend door hunts from cold to hot, back and forth. full hot to full cold and back again. Computor code is p0408 temp. control #1 circut. Suspect ECC module. Dealer says the truck do not have ECC m...
1996 Chrysler Sebring JXi 2.5L No Start, Cuts out, Stall VIN: 3C3EL55H4T
checked wireing diagrams for bcm pcm and tcm bcm seems the center of everything including gauges if anyone else thinks i am right let me please let me know its a 500 dollar module thanks to all who help Trouble codes: 1695 (ccd bus comunications failure from bcm too pcm), 1698 (ccd bus failure from tcm to pcm)
1993 Dodge D350 5.9L autoshut down relay VIN: 3B7ME33C0P
after vehicle is cranked for about five seconds will stop charging and speedo,rpm signal, not working looses ground to autoshut down relay which shuts down system - has run continuity test on grounds and power sources - checking ok - no codes
1993 Dodge W250 5.9L overdrive VIN: 1B7KM26C7P
thanks in advance for any help. this problem was brought to us by local trans rebuilder, who rebuilt trans for slipping, etc. o/d is inop. customer (who's full of it) states that overdrive was working before rebuild. first, i found that as soon as the throttle...
2000 Dodge Intrepid 2.7L Misfire VIN: 2B3HD46R1Y
i have this intrepid setting misfire codes. car has no noticeable misfire while driving, but watching the misfire counter on the scanner it shows all 6 cylinders missing only at wide open throttle, right before the shift, but the car runs great. some one else ... Trouble codes: P0300 (misfire)
2000 Dodge Dakota SLT 3.9L No Start VIN: 1B7GL2AX0Y
I am 99% sure that I already know what is wrong, but I would like to get someone to tell that they think the same thing. I have no spark, but I do have injector pulse. I have a good crank signal and cam signal to PCM. I have 12v at coil but no trigger from the...
2000 Dodge Durango 4.7L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1B4HS28N2Y
Hi, customer complaint is engine light on, runs rough and lack of power. First thing I did was check codes and what I got was garble. All the codes for example were like po13() or po45{1 or po65: and all of them after the code would say undocumented. They don'...
2001 Dodge Durango SLT 4.7L rear brakes VIN: 1B4HS28N81
This truck came in for a pulsing pedal, rocking motion when stoping and rear tires locking up and firing the abs on medium stops. We removed and turned the rotors and solved the pulse and rocking motion, but can't find any reason for the premature lockup on th...
1989 Ford F-250 Custom 5.8L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1FTHF26HOK
I have a 1989 f-250 with a 5.8 liter dual thermactor system. This truck has a bad buck and jerk while driving with more than 1/2 throttle. When you start off from a stop it will excel fine until about 3000 rpm then it will cut out and buck violently and the ta... Trouble codes: 44 (lean o2)
1990 Ford F-250 Custom 7.3L Misfire VIN: 1FTHX26M8L
blue smoak, midrange miss, some at idle
1993 Ford F-250 XL 7.5L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on, Black smoke VIN: 1FTHX26G7P
Code 41 when it came in, lean condition. Engine is running rich, black smoke mostly starting out with moderate to heavy acceleration. Spark plugs, fuel pressure regulator, coolant temperature sensor, all injectors and O2 sensor were replaced. Fuel pressure is ... Trouble codes: 41 (Lean HEGO sensor not switching), 42 (Rich HEGO sensor)
1996 Ford Contour GL 2.5L vss VIN: 1FALP65L5T
Code P0500, P0171, P0174. Erratic trans shifting. Visual inspecting harness from Vss, at pigtail plug for it into main harness, on Main harness side of main harness plug, all the insulation on the three wires out of plug are deteriorated away about .250 inches...
2001 Ford F-150 XL 4.6L low beams
No low beam headlights.All other lights are fine.After hunting down problem found no power at low beam right+left fuses.What powers this up.Thanks
2003 Honda Odyssey EX 3.5L sliding door VIN: WERTKL7634
the drivers sliding door is not working the motor will work with 12 volt applied. I have checked the switches and the motor movement sensor accordding to all data. but I noticed that the door lock on the sliding door is locking itself when the door is close or...
1998 Hyundai Sonata 2.0L slips 2-3rd VIN: KMHC24F7WU
Hi group. we got a Hyundai Sonata 98 , with transmission problem. sluggish on accelaration from a stop. slips 2-3rd. check engine light on. code P0750. checked battery cables for voltage drop test, no problem. should I replace shift solenoid. any advice on thi...
1992 Lexus SC400 4.0L Excessive Emissions, Poor Fuel Economy VIN: JT8UZ30C1N
Customer had car and engine washed,it ran bad afterwards.We diagnosed bad ig.wires,rotors,caps and maf sensor.We check valve timing,airduct for splits,tps,no cods.The right cat.turns red hot after 10 min. of driving.If you unplugged the maf,ecu doesn"t turn on...
1988 Mazda B2200 2.2L Cuts out VIN: JM2UF1134J
This truck has a major hesitation due to a lack of fuel volume. It has a fuel pump module that pulse width modulates power to the pump. This signal is very erratic. I want to test the module but I can not find it. I have torn the dash apart looking for it. Doe...
1997 Mazda Miata 1.8L Stall VIN: JM1NA3538V
At times car will stall with no prior warning. It does not matter what the engine temperature is and it quits like someone turned the key off. It will always restart. There are no codes in the computer and all mode 6 data looks good. Please help!
2004 Mazda 6 i 2.3L air bag VIN: JGRF356KWE
air bag light flashing code 2 then 1 ( both seem to be at the same speed could be 21? but 2 then 1 nodata doent help with this, any help
1991 Plymouth Grand Voyager SE 3.3L spedo/gauges VIN: 1P4GH44R0M
no spedo or gauges wiring dia.are not very good where is power scorce? relay that power body computer. anybody seen this before ?
2000 Pontiac Grand Am SE 3.4L 2-3 3-4 shifts VIN: 1G2NF12E3Y
We are not a tranny shop.. so we need some help. shifts on this vehicle once warmed up 1 to 2 shifts are fine but 2 to 3 and also 3 to 4 shifts the rpms go up 2 to 3 hundred rpm between shifts. This happens about two to three times then it goes into the gear. ...
2001 Pontiac Sunfire SE 2.2L start and shutdown VIN: 1G2JB12411
hello, i have this sunfire that has no communication with pathfinder. vehicle starts then shuts down like theft system activates. i have battery voltage at dlc orange wire. also have 51ohms resistance at blk/white wire and .003 ohms resistance at black wire. i...
1993 Subaru Legacy L 2.2L Hesitation, no power cold
Sorry for the lack of info but this vehicle is at my house and I am at work.A friend just bought this 1993 subaru legacy wagon all wheel drive and first when you start it cold put it in gear it won't move or even rev up just sort of bogs out and depending on h...
1983 Toyota Celica Supra 2.8L Cuts out VIN: JT2MA67L9D
hello all, i have an old toyota that is driving me nuts. this thing will fall flat on its face at wot. had car hooked to scope and ignition pattern goes crazy when malfunctioning. we have pretty good access to parts so when regular testing failed me i started ...
1999 Toyota Corolla CE 1.8L Poor Idle Quality VIN: 1236548970
toyota corolla 1999 model comes us for the fast idle problems that is idle speed without A/C 1000 RPM and with A/C 1600 RPM . i will cleaning the throttle body , IAC Valve cleaning , fuel injectors , Electric Fuel Pump filter , All Sensors Grips check and clea...
2001 Toyota Sienna LE 3.0L Cannot fill g/tank VIN: 4T3ZF13C01
Hello All, I would like to thank, in advance, any of you that might be able to assist me in this problem. One day, out of the blue, the customer started experiencing a problem with filling up his gas tank. The nozzle kept clicking off after just a couple of...
1993 Volkswagen EuroVan GL 2.5L Poor Idle Quality, Hesitation, Cuts out VIN: WV2KC0701P
Van came in because it would quit every 20 miles or so. It was determined that it had no spark when it died.. All grounds were checked and rechecked , used a lab scope on the dist. signal wire and didn't get a tru square wave, the top line looked like an old t...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1989 BMW 525i 2.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on, floods when cold VIN: WBAHC2308K
Many thanks to all that replied. First of all, my friend was completely happy with the 'sandblast' repair. He's been driving it since with no more problems. Today I managed to shove him aside long enough to get another look at the C191 connector. The car IS fi...
1995 BMW 740iL 4.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WBAGJ6324S
Well the general consensus was no can do for using a used ECU and reprogramming to this vehicle.I did have a offer from Steve in Frenchtown NJ who offered to give it a shot which I would like to have tried but could not hold the vehicle any longer so in went t... Trouble codes: 12 (O2 sensor), 13 (O2 sensor), 201 (O2 sensor control), 203 (O2 sensor contro).
1997 BMW 318i 1.9L radio/cd player VIN: WBABH8321V
A few people said to replace cd unit itself. I had a strong feeling that was not the problem though because I could hear the cd playing very very faintly and you could change tracks and cd's. I changed the cd player and still have the same problem. I do not kn...
1996 Buick Roadmaster Collector's Edition 5.7L lean at idle VIN: 1G4BT52P7T
I had many fine suggestions. I guess I was a little too tired that day to see it for myslef. The suggestions were a MAF being dirty, and I think that I had cleaned that. Apparently, this vehicle will show a false high ECT reading - several people suggested tha... Trouble codes: P0174.
1998 Buick Park Avenue Ultra 3.8L oil pressure gauge VIN: 1G4CU5210W
customer did not return the vehicle to our shop for repairs. unknown fix at this time.
1999 Buick Century Custom 3.1L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2G4WS52M5X
thanks for all responses. the ground wire going to the ac clutch circuit through the wiring harness checked out okay with the dvom but after more thorough inspection, it was found the wire was losing continuity. repaired wire and vehicle runs like a champ. onc... Trouble codes: P0300.
1999 Buick Regal GS 3.8L noise in driver side font VIN: 2G4WF5216X
Well I have been working on cars for over 15 years & still would not have thought this noise was coming from a wheel bearing. Looks like I owe Thomas a steak. I really appriciate all the help. Thanks, Tye [...]
1985 Chevrolet Corvette 5.7L overdrive operation VIN: 1GYY0782F5
Sorry it took so long to get back. This car has been gone for a few weeks. It turns out that we had a defective rebuilt ecm which would not see the signal from the switch. Replaced with dealer ecm, Shifts kind of hard, but owner was happy. Thanks to all that s...
1988 Chevrolet K2500 Cheyenne 5.7L No Start VIN: 1GCFK24K0J
The problem was the fuel pump was not installed with hose clamps and it came off the pickup tube. My Diagnoses was poor from the beginning. 1.The owner wanted a fast diagnoses! I did not follow my normal no start procedure. 2.I was told the fuel pump is ne...
1998 Chevrolet C1500 Suburban 5.7L All Lights VIN: 3GNEC16R8W
I would like to thank the 3 responses that we recieved. Michae Whalen mentioned to check the connections and we did that and Kirk [...] said to try a know good switch being a school are resources to known good parts is limited, so we used jumpers to by pass ...
1998 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W5W
This one is done. Most of the replies I receved were to replace fuel pump and wire connector. I had are ready replaced connector so I called federal mogul about the pump I had installed and they had me run a load test on it and yes the pump was bad and then th...
1994 Dodge Dakota 3.9L lose OD, Cruise Cont VIN: 1B7GG26X2R
We'll call this a fix...some respondents suggested the TPS being the problem, creating a noise feedback to the PCM. I replaced the TPS with no change in status. Others suggested a broken ground connection on the right side of the intake manifold where there is...
1997 Dodge Dakota SLT 5.2L morning start up VIN: 1B7GL23Y4V
thanks fellow tech for your help,the fix was cleaning the battery terminals,idle air control valve,and replace coolant temp sensor,and also replace pcv...vehciel runs fine at this time.
1998 Dodge Caravan SE 3.0L Heater Controls VIN: 2B4GP4536W
First off I would like to say thanks to all that replied, in no particular order, Al from Ontario, Bryan from North Carolina, Thomas from Ontario, Ted from Oregon, Don from B.C, Anthony from Florida, Buddy from Alberta, and Michael from North Carolina. Like ...
1984 Fiat 124 2.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, extremely rich VIN: ZFRAS00BXE
well after digging in to wiring harness, found a break in Coolant temp circuit up behind ECM location in dash panel, cold start circuit. repaired, still had fuel control issues. Sent computer out to A-1 Cardone via, NAPA. got back installed, and purrs like new...
1988 Ford F-150 Custom 5.0L Excessive Emissions, Poor Fuel Economy VIN: 2FTEF15N1J
Many thanks to all who replied,got some good tips,about six hit it right on the nose. It was an intermittent fuel pressure regulator. I had tested it three times before but never caught it acting up. Rechecked it this AM and after cycling it a few times, it pi...
1990 Ford F-150 Custom 4.9L Stall VIN: 1FTEF14Y9L
I want to thank everyone for their (advice) input on this truck.The fix was simply to perform an injector flush along with fuel filter replacement. I used Delco X-66 with a Snap-On fuel injector machine. The truck now starts w/out stalling every morning. ...
1992 Ford Escort 1.8L crankshaft
Soryy guys but customer didn't want to spend any money on this car and had it towed away after sitting for two weeks. Bob
1993 Ford Taurus LX 3.8L alternator VIN: 1FALP534XP
thanks for all the help, this one is fixed,paul from utah hit it right on,i did find a plug behind the battery that was full of corrosion it almost fell apart in my hand,i replaced it and my headache was instantly over.thanks again
1993 Ford E-350 Econoline 7.3L Overdrive circuit VIN: 1FTJE34M4N
Thank you all for the replies. I did not get to finish this repair. My customer took the van back home unfinished. I never got to pull codes or try other adjustments. I was out for three weeks (Stupid Surgury anyway). Thank you all for the replys. As soon as p...
1995 Ford Escort LX 1.9L high gear shift VIN: 3FASP13J4S
found bad ground in trunk area - when turn parking lights on - was back feeding to reverse lights going to neutral safety switch which was creating the no shift problem
1995 Ford Thunderbird LX 4.6L 4-3 downshift VIN: 1FALP62W4S
As with most things in this bussiness, it's the simple things that I seem to over look. It ended up being a bad EPC solenoid. The transmission worked so good that I didn't check the line pressure, when I finely got around to checking the pressure it was 150 at...
1997 Ford F-150 XL 4.2L oil pressure VIN: 1FTDX1721V
Thanks so much for the replies, Mark [...] however hit the nail on the head. We had allready replaced the timing cover and oil pump with new, and we have never had a problem with an engine from this rebuilder.(they do top notch work)The problem was the p...
1997 Ford Ranger Splash 2.3L starts and stalls VIN: 1FTCR14A4V
Even though we were able to pull codes and perform koer tests the day before the vehicle would not run at all today. By forcing the engine to run with approx 3/4 throttle, data pid for maf showed .02vts. Power to MAF was ok and therefore the sensor was condemn... Trouble codes: 1460 (WOT ac relay circuit malfunction).
2004 Ford Focus ZX5 2.0L battery VIN: 3FAFP37364
Thanks to all. The vehicle is not yet confirmed as fixed yet. The customer is still monitoring the vehicle as we speak. This may take a few weeks and I did not want to leave this file open any longer as iatn has prompted me to close. Thanks to some I was able ...
1996 GMC C1500 Suburban 5.7L Steering VIN: 1GKEC16R6T
Hey All, Thanks for the quick response on this one. From the replys I had on this on I tried the ones that were able to be done without parts replacement first, I tried to bleed the air out of the system and that did not do it. I checked the belt and tension...
1998 Isuzu Rodeo LS 3.2L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: N/A
Thanks to everyone for all of your suggestions and help on helping me repair this issue.i did not find any intake vacuum leaks except a very slight leak coming from fuel injector orings on bank one,that didnt fixed problem,so i drop exhaust and ran car and fou... Trouble codes: P0300 (random misfire), P0137 (o2 sensor bank 1 sensor 2 lean).
2001 Lincoln Navigator 5.4L awd VIN: 5LMFU28R61
This car is fixed. The rear speed sensor was pulled to ground when power was applied. This caused the power to the hall effect switchs from the gem to go to 0 volts (off on the scan tool) when the key is on. We disconnected the power (774) to the sensors one a...
1999 Mazda B4000 SE 4.0L MIL Lamp on VIN: 4F4ZR17X9X
What I found out about these O2 readings I was getting, after calling Snap On Tech Support, was that my import cartrage for my scanner has a problem. I went to the Generic setting with the import cartrage and was having the same problem with the O2 readings. I... Trouble codes: P0171, P0174.
1999 Mazda Miata 10th Anniversary 1.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: JMINB3539X
I would like to thank all that replied. As of today we have not fixed this vehicle and the customer has put it in storage til spring. I think Phillip [...] were correct with bad coil pack. After installing spark testers ... Trouble codes: P0300 (random multipe misfire).
1974 Mercedes-Benz 280 2.7L Mechanical VIN: 1140601211
HI Guys! I want to thank each and every one of you who responded to my request for information about this Mercedes. I want to especially thank Mr. David Poole who spoke to my husband over the phone and offered his help. Due to medical reasons, my husband h...
1989 Mercedes-Benz 300E 3.0L Poor Idle Quality, Stall VIN: WDBEA3OD5K
Hey, I really appreciated the help on this one, guys. I found the violet wire to terminal 16 on the control unit{cranking voltage input}clipped it and ran a ground to the cut wire going into the computer. I was a little leary about this because it is supposed ...
1999 Mercury Cougar 2.5L barke lights VIN: 1ZWHT61L8X
Well hats off to IATN. After i posted went to the vehicle and started investigating and found the problem. Most if not all were correct in their post that it probally was the brake switch. I being the master tech and pcm/ecm guru @ our shop looked way beyond t...
1999 Mercury Mountaineer 5.0L converter VIN: 4M2ZU55P6X
Thanks to all the good replies. Aaron [...] hit the nail on the head with damaged statorsupport seal. Customer oppted for a reman trans with 5 year warrenty. Known problems with this trans are tcc solinoids, separator plate gaskets, valve body and mechanical d...
2001 Mercury Cougar 2.0L fuel input VIN: 1ZWFT60391
I replaced the canister and the vent solenoid.This fixed the problem.We found the vent solenoid was not fully opened and believe this was the main problem. Thanx for all the help,especially Raymond,Daniel,John,and Nick. Your help was tremendously appreciated. ...
1978 Pontiac Firebird 5.7L rear springs
Special thanks to Jay [...]'s Auto Clinic.The measurement is 58 1/4 from front to rear shackle bolts (in frame).I have clipped the front of this old panel wagon w/ the front clip out of the same Firebird.I located the front spring mounting by meas...
1996 Pontiac Bonneville SSE 3.8L Electronic VIN: 1G2HZ5217T
thanks for the reasurance from john, benjamin and robert. you guys all confirmed what we saw. the vacuum connector on the programmer had a broken vacuum connector. we where not sure if this was going to be the only problem. the responces where right on the spo...
2002 Pontiac Montana 3.4L Surge, Misfire, MIL Lamp on VIN: 1GMDV13E82
The local dealer agreed to fix this under warranty. They had looked into this problem before the warranty expired. The report from them is that they replaced a crank sensor. There are two on this vehicle, we don't know which one as we already replaced one of t... Trouble codes: P0336 (24X CKP Signal irratic or missing).
1990 Porsche 911 3.6L heater fan VIN: WPOCB2964L
Unfortunately, we were not able to fix this problem, none of the received hints got us any further. The authorized Porsche dealer was also unsuccessful to repair the blower motor problem. We had to let the customer go w/o fix
2000 Volkswagen Passat 4 Motion 2.8L Timingchain tensioner VIN: WVWUH23B1Y
Sorry for the delay.We wanted to make sure all was good before we posted a fix.Everyone suggested that tensioners and seals were common items.The salvage yard only wanted to replace the noisey/leaking tensioner and we convinced the owner that was in his best i...
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