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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 26, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
1994 Buick LeSabre Custom 3.8L starter
This vehicle belongs to worker at grocery store next to the shop. Went to leave work a couple days ago and no crank. Security lite blinking. Finally found starter relay crammed up under the dash next to and above the column. Ignition sw. working but no ground ...
1999 Cadillac DeVille 4.6L Unknown VIN: 1G1UEYH64X
Ok Caddy guys- this is a quick one. We are about to do head gaskets on this northstar... Alldata says remove engine from vehicle. Is this the best method? or is there an easier way? Any thoughts would be appreciated. Thanks
1999 Chevrolet Blazer 4.3L mode switch VIN: 1GNDT13W5X
Please help! This is my mother-in-laws Blazer, I gotta look good on this job, ha! Will shift itself to 4LO, and Service 4WD light on. Cannot shift it with mode switch. Is throwing code B2725 Mode Switch Circuit Malfunction. I found TSB 05-04-21-002, it talks a...
1993 Dodge Ramcharger 5.2L alternator VIN: 3B4GE17Y4P
A few weeks ago cust came in with an alternator overcharging. The regulator is a function of the PCM/SMEC, cust did not want to spend money to replace PCM, so I performed a bypass using an 88 external regulator. The bypass worked flawlessly. Charging was norma...
1998 Dodge Grand Caravan SE 3.3L security VIN: 1B4GP44G1W
ok guys the Customer says the gauges quite. So he had a junkyard BCM put in and it fixed the gauges,but when he went to lock the doors the security system went off and it won't disarm. The security light in the dash doesn't appear to light at anytime? So here'...
2004 Dodge Intrepid SE 2.7L MIL Lamp on VIN: 2B3HD46R14
Got this 2004 Intrepid that keeps setting a P0344, intermittent loss of cam sensor signal. Another tech has been working on this car for the past 2 weeks with no luck. Heres whats been done so far: timing chain & guides, tensioner(had slack in chain), cam & cr... Trouble codes: P0344 (intermittent loss of cam signal)
1990 Ford Escort 1.9L Rad fan VIN: 1FABP11J2M
Vehicle comes in running hot and rad fan not on. On the old Chrysler products, when you pull the connector off the coolant temperature sensor, the fan would run. Are these little Fords the same? There is a little manifold containing three sending units. I don'...
1992 Honda Prelude S 2.2L compressor
Hello group-I an a Lexus tech trying to repair a good customers kids' car, a 92 prelude. The a/c system will really freeze you out untill it just decides to stop operating and nothing will get power back to the compressor until the car sits for a couple of hou...
1993 Hummer H1 6.2L engine VIN: 137XE8331P
After replacing cylinder heads,engine has a noise from right bank.Sounds like a substantial lifter or piston slap noise,but is not there all the time.Not noisy at idle but when you rev the engine noise will suddenly appear and get worse with rpm increase.When ...
1990 Lexus LS400 4.0L No Start, Cuts out, Stall, Misfire VIN: JTBUF11ESL
Car was towed to me after another shop installed a starter. Now it will start and die right away. If it does stay running it acts like it is only runnung on 4 cylinders. As soon as you touch the throttle it dies. It had a code for an igniter and that has been ...
1993 Plymouth Laser 1.8L No Start, no spark
help i need to be sure this is the problem before i spend this much money. My car died after hitting large pot hole in road. I have fuel press. and no spark. I replaced dist cap, rotor and wires new plugs. the car started idled while i picked up my tools then ...
1995 Saab 900 SE 2.5L cluster VIN: YS3DF58V3S
Thanks in advance for any input, I have a saab no dash lights or gauges. I started by wiggling ignition switch the lights would come on then go off so I thought switch bad replaced same thing. Saw a lot of posting on wires behind radio pulled radio looks ok, a...
1996 Volvo 960 2.9L Driver Power Seat VIN: YV1KS9608T
For you Volvo Techs, I have a well-maintained vehicle whose Driver's Power seat is irradic in operation. Sometimes it works properly (i.e., forward,backward, raises, lowers,etc.) and some times it will not move forward without moving diagnolily and jamming. I ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 BMW 528i 2.8L Tach VIN: WBADM5337X
Thanks for the help,but this one is definately above anything most have ever seen...many said it should be simple,,still where I started with no clear repair so I shall return this one to teh customer
1998 Chevrolet S10 2.2L No Start VIN: 1GCCS144XW
Good morning everyone I would like to let all you guys know that this s10 is fixed.It has been 2 weeks since I did the repair and the truck is still starting.By the way it was the passlock sensor.I would like to thank everyone who responded by helping with go... Trouble codes: 1631 (theft detterent system).
1998 Chevrolet S10 2.2L Brake lights VIN: 1GCCS1444W
Thank you to all who replied. It was the brake light relay under the hood that stuck. Thank you, Mike [...]
1969 Plymouth Roadrunner 7.2L no start VIN: RM23H9G240
Well, its fixed. The first thing I did was replace the ECU with a known good 4 pin orange unit. I also ran a ground wire from one of the bolts at the ECU on the firewall to an engine location. I checked the pick-up while cranking and it was close to 1 volt als...
2000 Dodge Grand Caravan 3.8L Unknown VIN: 3V4REUYDNY
Thanks to all who helped on this one... We replaced the rear expansion valve (not fun) and now all is well- pressures are good and ac is cold.
2002 Dodge Ram 3500 5.9L Hesitation, MIL Lamp on VIN: 3B7MC33C52
thank you for all the replies i got conformation to what i already expected that the transfer pump was bad but when called coustomer with price of replacement said he will just deal with the interrmittent low power and crusie issues untill the injector pump di... Trouble codes: P0216, P0177, P0230 (transfer pump circuit out of range), P1693 (dtc detected in ecm), P0217, P0500 (no vehicle speed signal).
1992 Ford Taurus GL 3.0L Cuts out VIN: IFALP52U6L
Most of the replies pointed to the IAC control and I forgot to mention that we did check and eliminate this possibility..the main clue was that as the engine dies it appears to lose spark...the distributor was replased alonf with cap rotor wires coil and energ...
1996 Ford F-150 Eddie Bauer 4.9L Poor Fuel Economy VIN: 1FTEF15Y5T
I'd like to thank the 9 responders, most were to make sure the base setting of the distributor was right. It was, and I will post a fix as soon as possible. I am finding out that these run very lean, I assume for emissions reasons. This is not my daily driver ...
1997 Ford Taurus LX 3.0L injector pulse VIN: 1FALP53S3V
Thanks to all who responded, it turned out that both scanners could not detect a pats system on board and I presumed that it did not have one due the the scanner message when trying to access the data ( no response no module found). either the pats module wa...
2001 Hyundai Elantra GLS 2.0L Cuts out, Misfire VIN: KMHDN45D61
replaced camshaft position sensor and so far so good thanks for all the input Trouble codes: P0081, C0300, U3118.
2002 Mazda Tribute ES 3.0L Stall, MIL Lamp on VIN: 4F2CU09132
About the only way I see to relieve the stress on the wires is to get rid of all the crap surrounding the wires as far back the harness as possible including ditching the bonnet at the PCM Let them bend away, at least it won't concentrate the bending in one ... Trouble codes: P0320.
1983 Mercedes-Benz 300TD 3.0L Door locks VIN: AB93A80N01
Thanks for all the replys! We found the vacuum source line plugged. We unplugged it and then the car wouldn't shut off. We obviously had a large enough leak that the ignition switch wasn't getting enough vacuum. Hooked up smoke machine and found rear hatch act...
1995 Mercedes-Benz E320 3.2L intake cam VIN: WDBEA92E4S
Ok, your right, I made a mistake, thanks for the help, I where fooled because y press de tensioner with my hand and it came in all the way, but yes I did not read the information on how to reset it. Time to pay, not a big problem not usual neither. Only 2 ...
1995 Mercedes-Benz S320 SWB 3.2L Speedometer inoperative VIN: WDBGA33E6S
The problem with the inop speedo turned out to be a blown fuse in the module box at the right rear of engine bay. Speedometer runs off of left front wheel speed sensor. I scoped all wheel sensors and they were functional. The fuse kept blowing due to rotten/ ...
1996 Porsche 911 Carrera 3.6L Misfire, MIL Lamp on VIN: WPOAA2997T
Sorry for the delay in posting fix. Most replies pointed to the problem. Customer finally returned and we verified thet it did not have the harness recall. So off to the dealer for this one. Trouble codes: P0302, P0305.
2001 Toyota Corolla CE 1.8L Cannot accelerate VIN: 2T1BR12EX1
Hey guys this one is finally fixed. You all were right. It turned out to be the MAF sensor. Replaced it and all is well. Thanks.
1992 Volkswagen Golf 1.8L Drive-axles VIN: 3VWFA01G9N
I moved out the lower ball-joint and installed cambolt in upper strut to give axle more movement. This seems to have fixed the problem . Thanks for the idea.
2002 Volkswagen Jetta GLS 1.8L trans fluid level check VIN: 3VWSE69M22
Very helpful response from all and thanks to all. No signs of leakage at all from this trans. The 5 mm allen plug is the one for the internal pedestal. I ran Jetta from cold engaging all gear selector positions several times and then removed plug with engine ...
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