Automotive Technicians Technical Discussion and Fixes for Sep 21, 2007

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	Help Request	Answers
	1996 Acura Integra GS-R 1.8L Transmission/Bearing VIN: JH4DC2399T We just replaced a clutch, flywheel, axles and wheel bearings on this Integra. Now it has a loud thumping noise and a violent vibration from 5mph and up. The vibration can be felt through the steering wheel. I suspected that the wheel bearing was pressed on wr...	View
	1997 Acura TL 3.2L blower motor VIN: JH4UA3645V hello acura techs , have this 3.2tl with bad blower motor looks difficult to get at , does dash have to come out ? any oyher tips to ease the pain on this one would be appreciated . thank you. mark [...]	View
	1996 Buick Skylark Custom 2.4L MIL Lamp on VIN: IG4NJ2T5TC After driving for a few minutes check engine light comes on with ETS off light. checked gas cap,lines from throttle body ok, vent and purge solenoids ok,they switch on and off and seem to be releasing pressure when I blow in them and operate solenoids manually... Trouble codes: 440 (Evap system)	View
	1996 Buick Skylark Custom 3.1L Battery VIN: 1G4NJ52M9T Hey Techs,this is my first help request so i'll do my best to discribe the situation. This customer of ours has a parasitic draw of 165-180mA using the low-current amp probe. The battery seems to drop .3 to .4 volts over night. My tests begun with the traditio...	View
	1986 Cadillac DeVille Touring 4.1L Cuts out, Stall, Misfire VIN: 1G6CD6986G Hello all, I have a long time customer of mine with an old Deville which has recently developed a driveability problem. We put an engine, goodwrench remanufactured, in this car a year and a half ago after he overheated his old one. 11 months ago it was a c... Trouble codes: 53 (Distributor signal interrupt)	View
	2000 Cadillac Catera 3.0L MIL Lamp on VIN: W06VR6YR06 Thanks in advance. I repaced the engine for a catastrophic engine failure. Loss of oil pressure spun rod bearing. Since the engine replacement which has only been 150 miles ago. I have this reaccuring MIL lamp for P0411. I verified the Air Injection Motor will... Trouble codes: P0411	View
	2001 Cadillac DeVille 4.6L Suspension VIN: 1G6KD54Y61 Customer has complaint of noise in rear of car mainly on left turns. We installed new Delco air shocks last year and now she says noise is back. Dealer told her it was the rear shocks. We changed them again today but seem loud on the rack when shaking back and...	View
	1985 Chevrolet Corvette 5.7L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 8XF5126801 Thank you guys in advance for your time & help. This car runs like a bag of worms.We have replaced the above parts to no avial.It has no cats,the injectors are within specs with the old time balance test.They are within .3 ohms of each other hot.no other code... Trouble codes: 33 (maf sensor high)	View
	1991 Chevrolet S10 2.5L No Start, no start, hot only VIN: 1GCCS14A2M i hope someone can help, we have a 91 s-10 2.5l truck that starts fine when cold, but will not start when hot..? we have fuel pressure and spark. a small shot of starting fluid will start vehicle. it appears that we have no injector operation under cranking wh...	View
	1994 Chevrolet S10 Blazer Tahoe 4.3L rf speed sensor VIN: 1GNDT13W9R This blazer driving me crazy test drove found that at aprox. 50mph right front wheel speed on scanner would go to 115mph and left front and rear wheel speeds would remain proper! if speed exceeds 50mph then the scanner goes blank and all wheel speeds go to 0mp...	View
	1995 Chevrolet S10 4.3L Surge, Misfire VIN: 1GCCT14W9S This motor has just been rebuilt at our shop-customers request-heads rebuilt/crank kit/cam bearings and shaft/lifters and so on-of corse in this process we replaced cap/rotor/plugs/wires and coil-the problem i am having is when your cruising around 50 to 60 it...	View
	1996 Chevrolet K1500 5.0L Pressure control solenoid VIN: 2GTEK19M6T Brought to us from local trans shop. Harsh shift P0748 sets. Sometimes hot while driving, sometimes on cold start up sets. Once fault occurs, code can be cleared, but resets imediately on start up. Then problem will just go away. Trans shop Rebuilt trans aprox...	View
	1999 Chevrolet C1500 LS 5.7L Poor Idle Quality, Misfire VIN: 87CEC14ROX Hi all This truck came in with cil. 2 and 7 not working so I changed the cap and rotor- no change. Cleaned inyectors and tested on bench and all work even. Scaned and no codes appear. Changed the plugs on 2 and 7 . Checked compresion and is oK for the Ks the t...	View
	1999 Chevrolet Blazer 4.3L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNDT13WXX hey guy me again i want to thank you all again for all the help and info it worked wonders lets say i am now a gm man not all that complex rpo and vin codes i recomend learning it helps alot anyways i need to find out how to clean the intake on the blazer quic... Trouble codes: P0420 (cat sys low effic bnk 2), P0171 (FT Lean bnk 2)	View
	2000 Chevrolet Express 1500 4.3L No Start VIN: 1GCEG15W4Y we have this truck that came in for no fuel pressure replace fuel pump,then we found battery load tested bad so we replaced it and what we come up with its hard to start in the morning but has good fuel pressure and we also replaced spark plugs but after it st...	View
	2001 Chevrolet Corvette 5.7L Traction Control VIN: 1G1YYZZG21 The ABS and the TCS warning lamps come on intermittantly (Only about 4 times during the life of the vehicle) It sets PCM codes P1571 & P1689 and EBCM code C1277, all related to torque signal communications between the EBCM and PCM. EBCM has been replaced. The ...	View
	2006 Chevrolet Cobalt LS 2.2L Misfire, MIL Lamp on VIN: 1G1AK55F36 help please. i have a 2006 cobalt that has an intermittent miss on 4 with a p0300 code. i tested the injector and coil with a scope, looked good. i have also swapped injetors, plugs, coil boots and check for spark with a tester on each cylinder...not loosing s... Trouble codes: P0300 (testing and results)	View
	1996 Chrysler Sebring LX 2.5L MIL Lamp on VIN: 3CEL45HXTT This car will not pass state inspection because CEL is own. The car belongs to the son of a customer. The son is attending a local technical school for automotive repair. ( I will smack him later.). As you can see from list a lot of parts have been thrown at ... Trouble codes: P0305 (Misfire 5 cylinder)	View
	2001 Chrysler PT Cruiser 2.4L power locks VIN: 3C8FY4BB51 I have this PT Cruiser that will lock doors while car sitting or driving without anyone doing anything. Locks with or without keys in vehicle. Sometimes will also unlock itself.	View
	2002 Chrysler PT Cruiser Dream 2.4L Poor Idle Quality, Misfire VIN: 3C8FY68B72 misfire /stumble at idle smoked seems ok but smoke comes out of egr valve runs fine when driven or power brake. clogged inj? or vaccume leak? Trouble codes: P0304	View
	2002 Chrysler Concorde LXi 3.5L engine balance VIN: 2C3HD36M22 Engine has a small vibration most notably at 900rpms and agine above [...]. Engine is in good running condition, no misfires, predetonation or hard starting. The vehice does run worse when cold at start up, then smothes out considerably. I am aware of TSB 1...	View
	2003 Chrysler Town & Country LX 3.3L front of car VIN: 2C4GP44373 under a load condition the vehicle has a vibration that can be felt through the drivers seat and heard. the brakes are applied, the steering wheel is turning and a slight acceleration loading the engine that appears to be at a specific rpm.you can feel it in t...	View
	1992 Dodge Dakota 3.9L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Backfire on WOT VIN: 1B7GG23X8N This vehicle is driving me nuts... Intermittant misfire upon initial start, then smooths out (like a partial flood/leaky injector), but ok at other times (reach in touch the starter, fires right up). 60% of the time runs fine for about two km's, smooth, accel'...	View
	1998 Dodge Grand Caravan SE 3.3L Left Turn Bulb VIN: 2B4GP44R6W Left front turn marker bulb blows almost daily. Replaced many times with correct bulb (3157) Bulb gets so hot it will break. Can not find any ground or feed problems. Thinking Daytime running light module? Any ideas would be a great help with this one.	View
	2001 Dodge Caravan SE 2.4L convertor clutch VIN: 1B4GP25B11 This ia a hydraulic trans no electronics except neutral safety switch.It engages drive and reverse but does not upshift untill about 50 MPH.Start it up and move a few feet step on the brakes and it kills the engine. There is some aluminum in the pan.It has nev...	View
	2002 Dodge Intrepid SE 2.7L MIL Lamp on VIN: 2B3HD46R92 need help from the chrysler gurus. this car came in first with code p0155. heater circuit problem in bank 2 sensor 1 o2 sensor. we checked out and replaced that 02 sensor. cleared code and test drove 13 miles. customer took car. a few days later returned with ... Trouble codes: P0132 (bank 1 sensor 1 reading high)	View
	2005 Dodge Caravan SE 2.4L Accessories VIN: 1D4GP25R73 Customer complained of several intermittent electrical problems.I'm sure they are all related but can't seem to pinpoint the problem. A couple times the wipers started on their own, the horn goes off by itself, other times radio, tail lights, P/W, horn, blower...	View
	1968 Ford MUSTANG 289CID gauges VIN: 8T02C10408 Good afternoon, We are curently restoring a 1968 ford shelby and installing the factory guage pod that was removed years ago and an autometer pod took its place.We are in need of a wiring schematic for a 1968 shelby dash pod.If anybody has one,you can fax it t...	View
	1983 Ford Bronco Custom 5.8L Cuts out, Misfire VIN: 1FMEU15G9D HELLLPPP!!! EEC-III system with dual level rotor and VV carb. This one came to me after another shop replaced engine and couldn't find misfire. After engine replacement misfire began. Runs good when cold, but after it warms up to operating temp #8 cylinder los...	View
	1994 Ford F-250 XL 5.8L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Poor Fuel Economy VIN: 5LMEU27A4Y For you Ford Techs: What is causing the injector pulse width to be so high. It floods the engine so that it will start after setting overnight but quits after a few seconds due to flooding. The VIN is not correct but at the time of this post I did not have ac...	View
	1995 Ford Windstar GL 3.8L Misfire VIN: 2FMDA513XS car runs poor at idle then all of sudden runs perfect for a few seconds then runs poor again. O2S1 reads 938 all 3 others read between 85 and 20. short term fuel trim maxed on bank 1 @ -20, bank 2 maxed @ +33. when car runs good and then runs poor again, the t...	View
	1996 Ford F-150 Eddie Bauer 4.9L No Start, Stall VIN: 2FTEF15Y4T This truck came in on 9-12 as a no start. We found the rotor burned up. The electrode had melted off of the rotor and fell into the distributor. We replaced the cap, and rotor and the truck cranked up fine. The customer requested plugs and wires, so those were...	View
	1996 Ford Contour GL 2.5L Shift Interlock VIN: 1FALP65L2T Dear ford techs, i have this 96 contour that i am having difficulty with. It came in with the customer complaining of won't shift out of park at times. I got the car in last week, and found out that when it acts up, the plunger wasn't going in far enough to ma...	View
	1998 Ford Explorer Sport 4.0L No Start VIN: 1FMYU24E5W will crank over but not start. has code p 1260 in system which is theft system. Clear codes and recranked moter, but still will not start. suspect theft device is problem but cannot find proceeder to check out system. code has not reapeard after multiple crank... Trouble codes: P1240	View
	1998 Ford Expedition Eddie Bauer 4.6L Misfire VIN: 1FMRU18W5W After replacing cylinder head gaskets and having the head serviced the vehicle runs great but when in gear and at idle the vehicle shakes slightly as if it has a misfire. There are know codes in the system and the vehicle has passed all stages of readiness wit...	View
	1999 Ford Expedition Eddie Bauer 5.4L altenator VIN: 1FMPU18L6X Well vehicle is back with the no charge. we tested the altenator again with same results along with the battery. This is the situation , with the vehicle first starting the alt gives out nothing for exactly 1 minute. after that the vehicle will charge 14.6vdc ...	View
	2003 Ford Excursion XLT 7.3L Rear AC VIN: 1FMSU43FX1 Front AC Blows Ice Cold. Rear Evaporator gets cool but vents blow about 70 degrees. We replaced Compressor, front drier, and O-Valve. Worked great for 2 months and all of a sudden rear stopped working. I check flow and front seem plugged more than rear. We cha...	View
	2005 Ford F-250 Super Duty FX4 5.4L MIL Lamp on, Loss of power VIN: 1FTNF21565 At full throttle the truck dies; loses power - feels like exhaust restriction or low fuel pressure. Ran it with the exhaust down - still the same. Trouble codes: P0174 (testing and results)	View
	1993 GMC G1500 Rally 4.3L stays in 2nd gear VIN: 1GTDG15Z2P hey everyone and thank you ahead of time. the van first came in with an intermitent concern going into limp home mode, if you turned the van off and restarted it, then it would be back to normal. the van came from a tranny shop that "replaced" the transmission...	View
	2003 GMC Sierra 2500 HD SLE 6.6L trans VIN: 1GTHK29153 THIS TRUCK CAME TO US FROM ANOTHER SHOP.IT ALL STARTED WITH THE TRANSMISSION GOING IN TO NEUTRAL WITH A CODE P0735 GEAR RATIO ERROR IN 5th.THE CLIENT INSTALLED A USED TRANSMISSION AND TRUCK DID SAME THING. THE CLIENT INSTALLED A REBUILT TRANS THEN AND DID SAME...	View
	1996 Infiniti I30 3.0L no mil ,but codes VIN: JNKCA21D2T HELP.Thanks in advance! I have dealt with this car last year trying to get it to pass emissions. Last year it had a code p0155,0325,1400. So I repaired 0325, 1400 had trouble with the 0155 with a new 02 sensor and it checks out ok . The customer got a waiver f... Trouble codes: P0155 (front left heated 02 sensor)	View
	1999 Infiniti I30 3.0L MIL Lamp on VIN: JNKCA21A5X vehicle came in with MIL on, code P0133. I didn't see anything obvious in the datastream or otherwise. I recommended just replacing the sensor because it would be the most likely cause. So, I replaced the oxygen sensor. Vehicle came right back the next day, ... Trouble codes: P0133	View
	1998 Isuzu Rodeo S 2.2L MIL Lamp on VIN: 4S2CK58DXW check engine light comes on after reving for a minute or two at about 1500 to 2000 rpm. flashing. yet the truck is running smooth. long trim between -3 and 3. short trim about the same. could it be the cam or crank sensors? i don't have a data stream for neith... Trouble codes: P0301	View
	2002 Isuzu Trooper Limited 3.5L MIL Lamp on, Reduced power VIN: JACDJ58X22 This vehicle came in with the check engine light and reduced power mode light on. The wires to the throttle body were check for breakage/continuity and they checked OK. The MAF sensor was tested and found suspect because it had a value of 17g/sec. at idle and ... Trouble codes: P0101 (p1125-), P1125 (p1295-), P1295 (p1299-), P1299 (p1310-), P1310 (p1326-), P1326	View
	2001 Jaguar S-Type 3.0L MIL Lamp on VIN: SAJDA01N71 CEL comes on after about 20 seconds every time engine is started. Alldata says to test for voltge at PCM connector FH1-44. It has no voltage key on or off. Alldata says to test wiring between FH1-44 and splice FHS-10. Not showing this splice on Alldata wirin... Trouble codes: P1633 (Keep alive memory voltage missing)	View
	2005 Mercedes-Benz CLK500 5.0L srs VIN: WDBTJ75J55 Hello, this car came in with a code 91A3 (passenger front ETR ignition squib resistance too high). The data stream also indicated resistance too large. We replaced the passenger side seat belt retractor. All of the codes cleared and the data stream value is ok...	View
	1993 Mercury Villager GS 3.0L No Start, Cuts out, Stall VIN: 4M2DV11W9P vehicle will run for aprox. 10 seconds normal amperage , sudden amp spike blows fuse , have replaced fuel pump , and inspected all wiring , have replaced fuel pump relay , suspect problem may be found on the ignition feed side of the relay circuit . unable to ...	View
	2005 Nissan Altima S 2.5L No Start, Stall, hard start VIN: 1N4A211D65 Thanks in advance for the help. This one came in this morning with the po725 code and the po335b code.The complaint is very hard to or no starting after heat soak. It started fine for me all day until i drove it for about 30 min then let sit for 10 min. It wil... Trouble codes: P0725, P0335, P0011	View
	1992 Oldsmobile 88 Royale 3.8L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, knocks on accel VIN: 1G3HN5312N This car almost will not start when cold. When it does start runs very poorly. All scanner data looks normal. When you accell there is a knocking noise( not bearing type but like timing jump). After it warms up all is well. I noticed something very strange onc...	View
	1997 Pontiac Grand Am SE 3.1L starts and stalls Well I am here cause this car is kicking my butt. I have a problem as soon as I start the car it will run for about 5 sec then stall and flash the theft light. I have checked voltages at the pass lock sensor and hav a 5 volt ref on the yellow wire 12 volts on ...	View
	2000 Pontiac Grand Prix SE 3.1L MIL Lamp on VIN: 1G2WK52J91 car came in with engine light on scan computer and had code po440 evap system no other codes inspect evap system component for damage and checked good.also scanner does have evap fault histery weak vac. i do not have a pressure/purge station. i think the probl... Trouble codes: P0440	View
	1997 Porsche 911 Carrera 3.6L oil VIN: WP0AA2992V This is a very clean one owner 1997 Carrera (15k miles). I started some oil leak. There is valves cover leak (it is possible to see drops near bolts after cleaning and running engine). Problem is that on the upper of the engine there is oil leak too (under a...	View
	2002 Saab 9-5 Linear 2.3L No Start VIN: YS3EB55E22 Hi to all, Our stumper is in the shop for a third week now and after extensive tests and fair amount of head scratching, we are not sure what may be causing this problem. Here are details in the nutshell: Once this Saab9-5 starts, it runs well but the start...	View
	1997 Subaru Legacy Outback 2.5L Poor Idle Quality, Misfire VIN: 4S3BG6852V Ok, this one has me pulling my hair out. If what I have been told is true, I'm either the 4th or 5th shop this car has been to. It was bought at auction after the first two, and was obviously there for a reason. This is a 2.5L to 2.2L conversion, and engine ha... Trouble codes: P0301 (Misfire 1), P0303 (Misfire 3)	View
	1998 Subaru Impreza Outback 2.2L MIL Lamp on VIN: JF1GF4859W there is a humming noise in air box at idle it will quiet noise if i pinch hose from iac to air box ther is no codes	View
	2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWPD63B93 Hello eveyone; I got a head scratcher for me. I am getting multiple misfire codes on all cylinders. The Idle is bad and gets worse as the car warms up. The MIL flashes on idle. Once you start driving it will stumble a little but straighten out and drive fine u... Trouble codes: P0300 (Multiple misfire), P0301 (Misfire cyl 1), P0302 (Misfire cyl 2), P0303 (Misfire cyl 3), P0304 (Misfire cyl 4)	View
	2003 Volvo XC90 2.5L tweeter VIN: YVICZ91H53 Just A quick Volvo question. The small speaker at the top of the drivers door has come lose and must be replace. The volvo dealer needs to know if it is a 50 or 75 watt system. Since there was no wattage rating on that speaker they recomended removing the door...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1993 BMW 740i 4.0L ride control VIN: WBAGD4327P Erkan was right problem in the instument cluster. customer denied repair. since this car did not have self leveling opened cluster found shorted board. thanks to all	3
	1999 BMW 528i 2.8L abs VIN: WBADP6333X I got 3 (IATN Says 4?) replies and each one suggested the ABS Module. Ray [...] suggested modulemaster.com to rebuild the module so we sent it in. After the new module we now had an issue with implausable signal from the left rear but the co...	4
	1992 Buick Park Avenue 3.8L No Start, Poor Idle Quality, Cuts out VIN: 1G4CW53L9N Buick fixed and shop peaceful again. Thanks to all who responded especially Rick. This vehicle actually had 2 problems,crank and ICM. My problem came from the air gap adjustment on the crank shaft pully. It seems that even though niether vane touches, the sign... Trouble codes: 17 (Spark reference circuit).	12
	1994 Buick LeSabre Custom 3.8L fast idle VIN: 1G4HP2L3RH Ross [...] was on the mark. I went in this morning and hooked up first thing. This hadn't happened before but I turned the key to read tps & throttle % and there it was .62 - .58 - .63 --4% to 7% varying. everytime I checked this before it was .62v and 0% at i...	11
	1992 Cadillac DeVille 4.9L water pump VIN: 1G6CD53B7N Thanks for help; many mentioned electolysis, but that was checked earlier & fine. We had no heater core or radiator wear issues, just water pump bearings failing. A few guys mentioned that they have had repeat failures as well. I installed another Napa lifetim...	15
	1993 Cadillac DeVille 4.9L Stall VIN: 1G6CD53B4P Thanks to everyone who replied. After a lot of trial and error we found the IAC Motor was not operating properly causing the vehicle to stall intermittently. Perfomed the IAC Relearn and corrected the preoblem. Thanks again to everyone who offered insight to t...	36
	1996 Chevrolet Blazer 4.3L noise VIN: 1GNDT13W5T Most of the replies were about a tech report of adding a timing chain tensioner. We tried this and it did'nt work. I'm going to pull the cam and inspect the bearings. I will let you all know how this works out. Thank you all Jim	10
	1998 Chevrolet Malibu 3.1L ac compressor VIN: 1G1ND52TXW `AFTER GOING OVER COMPLETE WIRING HARNESSBCM FOUND NOT TO SENDING AC COMMAND SIGNAL TO PCM CUSTOMER DECLINES REPAIR UNTIL NEXT SUMMER THANKS FOR ALL THE HELP	4
	2003 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52JX3 most of the replies steered towards the ignition lock cyl and tumblers.. It has been replace with good results so far... Thanks Steve	15
	1998 Chrysler Cirrus LXi 2.5L dist. VIN: 1C3EJ56H1W i found the camshaft broken on the dist side ive never seen this before but stranger things have happened. i looked at front cam and was moving never thought to check the back cam. now its on the way to being fixed about 1400.00 should get it running again cus...	7
	2000 Dodge Dakota SLT 5.9L Stall VIN: 1B7HG2AZ3Y After checking over all the wiring,ECM, TCM,etc. I found in my Snap On Modis, under Trans. Trouble Shooter: "Reverse Stall-no codes set,... replace crankshaft position sensor. Replaced it a now it is perfect. I just updated my Modis (begrudgingly at first) 2 d...	7
	2004 Dodge Ram 2500 ST 5.9L front end VIN: 3D7KU28C44 Oh yes we got it! Front shocks were bad. New front shocks, and road force balanced with the GSP 9700. Tires balanced but still had excessive road force. Road forced all four tires to under 20 lbs. (over 39 lbs should be road forced)! Many suggested a new or...	29
	2004 Dodge Neon SE 2.0L Cuts out, Poor Fuel Economy, MIL Lamp on VIN: 183ES56CX4 Finally got this little car fixed. As some of you said the problem could be fixed by replacing both the cam and crankshaft sensors as a pair. I also replaced the after market sensors with OEM's. Reason for the delay in reporting this fix it seems Chrysler had ...	9
	1993 Eagle Talon TSi 2.0L Surge VIN: 4E3CG64F0P Well looks like this one will continue to haunt me . I did a motor vac, tried a air flow meter, rechecked vacuum hoses, timing any thing I could think of. I also tried unplugging some sensors with no help. Customer called and said they needed their car back an...	3
	1995 Ford Mustang 3.8L Excessive Emissions VIN: 1FALP4448S hi guys!I'd like to close this help request,thanks to all who had spent time in my request.I have checked all what you have sugested but found all things were normal, now we are suspecting the pcm but we dont have pcm available.I will inform you guys as soon...	16
	1995 Ford Aspire 1.3L Poor Idle Quality VIN: 05H4561KNJ Customer declined any more repairs. Thanks for the help. He says it has been running fine since temp outside has cooled a little.	3
	1996 Ford Mustang GT 4.6L Temp Gauge VIN: 1FALP42X4T It has been cool here till this week and gauge as been in the middle. We did replace the sending unit for the gauge with no change. It looks like the car is not overheating just reading a little high on the gauge. Thanks for the replies.	7
	1999 Ford Escort ZX2 Hot Coupe 2.0L No Start, MIL Lamp on VIN: 3FAKP1137X Thanks to all that responded. As suggested by replies, I checked the sensor signal via dual trace DSO. I found the signal was not aligned with the crankshaft information as one would expect. Further investigation turned up broken pieces of idler pully in the l... Trouble codes: P0340 (Camshaft Position Sensor Circuit Malfunction).	4
	1999 Ford F-150 Lariat 4.6L tramsmission VIN: 1FTRX17W8X we decided to replace the tranny, every body say it is time to replace it. we put a used one in it and it works great. had no time to tear down and overhaul so we didnt find out what was wrong with it. return it as a core. thanks to all of those that replied.	13
	2001 Ford Explorer Sport 4.0L Poor Idle Quality, Cuts out, Stall VIN: 1UB87230E4 Thanks for those that helped. We did smoke test it and found no vaccum leaks. However the more people told me it sounds like a major vaccum leak the more I started thinking about the values. LTFT was -17 to -22. So I started tugging on hoses and things and I p...	7
	2001 Ford F-150 King Ranch 4.6L Excessive Emissions, MIL Lamp on VIN: 1FTRW07W71 I knew there was a restriction. As many of you said the intake 90 degree plenum has two passages 3/8 diameter by 2" long that would be plugged up with carbon. I cleared code and re-ran KOER test, no codes reset. Problem fixed. Also many others advised me to te... Trouble codes: P0401 (egr insufficient flow), P1408 (egr flow out of range).	16
	2002 Ford Ranger Edge 4.0L Poor Idle Quality VIN: 1FTZR45EX2 Thanks for all who replied. Checked for vacuum leaks and could not find any. but replacing the throttle body gasket took care of the idle problem.	7
	1994 Geo Tracker 1.6L master cyl VIN: 2CNBE18U5R the problem was in the rear brakes accumulator, had internal bleed.	6
	2002 GMC Yukon SLE 5.3L MIL Lamp on VIN: IGKEC13Z92 Thank you everyone for your help. We removed the intake manifold and found that the #2 knock sensor looked like it had been in the ocean for ten years. We replaced both knock sensors and built a barrier of silicone around the sensors. This fixed the problem... Trouble codes: P0332.	7
	2006 Honda Civic EX 1.8L Misfire VIN: 2HGEFG1133 Thank you to mark.it was very simple.crank sens re-learn was req and can only be done through honda diagnostic tool.car was a write off that was being rebuilt .since the learn procedure is progamed into nv-ram it cannot be changed or relearned any other way an... Trouble codes: P0300, P0301, P0304.	8
	1994 Isuzu Trooper LS 3.2L Misfire VIN: JACDH58W2R WOW THAT WAS FUN . THIS VEHICLE WAS OUT OF TIME ,IT APPEARS THAT SOMEONE PUT ENGINE OIL IN THIS VEHICLE . THE SAFTY TAB OFF THE LID OF THE OIL CONTAINER APPEARS TO HAVE FALLEN OFF INTO THE ENGINE , WHERE IT FOUND ITS WAY INTO THE GROVE BETWEEN THE LEFT SIDE...	5
	1997 Jeep Grand Cherokee Laredo 4.0L Surge VIN: 1J4GZ58SXV Hi guys thanks for all the help, at this time customer will wait till winter till it is more cold to check out the car. He will be on vacation and he said that the car will come back and I will try to change the O2 sensor like some of you posted. Again thank...	10
	2004 Jeep Grand Cherokee Laredo 4.0L Differential VIN: 1J4GX48S74 THANKS FOR ALL OF THE HELP! ALL OF THAT VABRATION WAS A BENT WHEEL AND TIRE. I HAVE NEVER SEEN A WHEEL REACT TO LOAD LIKE THIS THING DID. THERE, WHEN I GAVE IT GAS AND GONE WHEN I RELEASE THE GAS.	8
	2000 Land Rover Range Rover HSE 4.6L 4th gear issue VIN: SALPV164YA Thanks to all that took the time to reply. As suspected, the MAF sensor was the culprit. Once renewed, the system was good to go and customer is happy. Sidenote: Another vehicle with a cleanable filter installed K&N and while I don't take issue with these ...	10
	2004 Land Rover Range Rover HSE 4.4L Transmission VIN: SALME11434 A special thanks to all that replied, it's very much appreciated. As most had said, the fix for this one was a replacement transmission. The dealer had indicated that they are on a national backorder at this time, but I managed to get one. The dealer suppli...	6
	1987 Mercedes-Benz 300TD 3.0L No Start VIN: WDBEB93DXH Thanks again to IATN. I removed the front pipe and checked what I thought was a trap oxidizer, clogged solid. Vehicle started, test drove with front pipe off, lots of black smoke at first, but cleareed up. Plenty of power. Called dealer about the trap oxid...	12
	1999 Mercedes-Benz ML320 3.2L ABS hydraulic unit VIN: 4JGAB54E5X Thank you all who responded to my post in this ML. One of the first things I checked on this truck was the charging system and I have done so numerous times, not finding any problems. One of your suggestions was that the alternator could be weak. I tested aga...	6
	2002 Mercedes-Benz ML320 3.2L MIL Lamp on VIN: 4JGAB54E52 Thank you all that replied. After replacing plugs and wires it drove much better but still would give that MIL ever now and then. I measure the catalytic convert tempeture and seem even and in line. So I replace the MAF and fixed that problem. Trouble codes: P0300 (Random Misfire), P0304 (Cyl 4 Misfire), P0306 (Cyl 6 Misfire).	14
	1987 Nissan 300ZX 3.0L No Start VIN: JN1H216S2H I would like to thank all that replied, Installed a new distributor and vehicle started right up. Thanks again	5
	2002 Nissan Sentra XE 1.8L MIL Lamp on VIN: 3N1CB51072 Thank for all your respaonses. This vehicle required a idle relearn, thou it would not do a relarn with out a consult 2 scan tool. thanks for all your help. Trouble codes: P0507 (idle speed control system).	5
	1998 Oldsmobile Cutlass 3.1L MIL Lamp on, Tach intermittent VIN: 1G3NB52M3W We finally got the customer to come back so we could try suggestions. I checked ground connections at the bell housing and also at the rear of the cylinder head on odd bank (closest to firewall). All the grounds were good so we moved on to checking the ignit... Trouble codes: P0336 (24X Reference Signal Circuit), P0327 (Knock Sensor Signal Error).	5
	1997 Pontiac Grand Prix SE 3.8L fuel gauge VIN: 1G2WJ52K6V Well, this turned out to be a problem inside the cluster. It had been shipped out for repairs and the company that did the work missed something. When we returned it to them and explained what was now happening they seemed to know exactly where they went wrong...	3
	1998 Porsche Boxster 2.5L lubrication VIN: WP0CAJ987W There is no option for me. I will complete disassembly engine in order to look for abnormal wear or other cause for the low oil pressure. Thanks	3
	2003 Subaru Legacy L 2.5L No Start VIN: 4SEBH63553 Bad ignition relay(located above pass. kick panel)was the problem.Took a while to figure, but thanks.	1
	2003 Toyota Tundra SR5 4.7L vehicle speed VIN: 5TBBT441X3 Thank you to all that replied. The customer has complained of this before, but it's more of an annoyance to him than a safety issue or anything. We have asked for help in the past, but just recently became part of IATN. The customer does not want to pursue thi...	4

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