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Prev Professional Automotive Repair Technical Discussions for August 20, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
2000 BMW 528i 2.8L abs VIN: WBADM63484
Another tech is working on this car. Car came in 2 months ago with abs and traction light on. Had code 105-brake light switch and code 81-pressure sensor. Replaced brake light switch and pressure sensor. Codes went away and now the car is back with only code 8...
1997 Chevrolet P30 6.5L Oil Pressure VIN: 1GBKP32Y5V
I have this truck that has had the bearings and oil pump replaced at another shop but still has low oil pressure about 30 at cold start and when warm about 25 at rpm and 0 at idle. I have not yet checked anything but the pressure with a mechanical guage. Is th...
1998 Chevrolet Cavalier LS 2.2L battery light on VIN: 1G1JF5247W
Hello. I have alt not charging with battery light on.Battery was replaced by customer before bringing into shop. Voltage drop across main battery terminal to alt is 0.02V.I have nothing on both wires into alt harness. (no voltage or ground koeo or koer,harness...
1994 Dodge Intrepid ES 3.5L front and rear parking lamps/interior door chime VIN: 2B3ED56F5R
Howdy everyone. This car has me pulling what little hair i have left out. I have this 1994 Dodge Intrepid ES 3.5L engine that is owned by a good friend of the Dealership owner. He told me this morning when he woke up for church, he opened the car door and the ...
1993 Jeep Cherokee Country 4.0L Surge, Cuts out, Stall, Misfire VIN: 1J4FJ78S4P
We are working on a 93 Cherokee with a 4.0 litre straight 6. This thing came from another shop that had replaced the plugs, wires, TPS, ECM, CKP, and maybe other things that I am not aware of. We are able to get it to act up by idling in the bay until it gets ...
1995 Jeep Grand Cherokee Laredo 4.0L trans in limp in mode VIN: 1J4GZ58S8S
symptom started last winter very intermitantly, only on extremely cold mornings. drive for 5 miles, turn ignition off, then restart and everything would be normal. now it is doing it when it isnt even that cold out and it is impossible to trick it in to workin...
1992 Mazda Miata 1.6L Clutch Engagement VIN: JM1NA3519N
Greetings fellow Technicians. I have a 1992 Mazda MX-5 Miata with an M-Type manual transmission (5 speed). Her original complaint was harsh gear engagement when shifting. The veicle was diagnosed by another tech who suggested replacement of the Master Cylinder...
1995 Mercedes-Benz E320 3.2L Evaporator VIN: WDBEA32EXS
Thanks for reading this post. We recieved this Mercedese that had a leaking evaporator core. Installed a aftermarket evaporator since the dealership evaporator was $800 versus $250 for the aftermarket. The aftermarket evaporator looked slightly different but w...
1986 Porsche 944 2.5L Coil VIN: GH14T6Y7HG
I hope you guys can help i own a 86 944 non turbo and im not getting any spark from the coil ive tested the coil and its fine. I replaced both speed sensor and referance sensor and still no spark. The relays are working properly. I dont know if the ECM is good...
1993 Saturn SC2 1.9L cooling system VIN: 1EWC232123
Techs, Customer complaint about overheating. Connected Solus scaner, could not find ect pid. There is a coolant pid. The problem is the coolant pid doesnt display temperture (numeric), it show alpha (letters). Makes difficult to diagnose. Check cooling fans. G...
1988 Volkswagen Vanagon GL 2.1L engine VIN: WV2YB0257J
This car came in with a very noisy engine and the oil light was coming on at hot idle. The customer said his son rebuilt the engine in shop class. First we changed the oil to 20w/50 and installed a german filter. Next we readjusted the lifter preload and ran t...
1993 Volkswagen EuroVan GL 2.5L Excessive Emissions, Poor Fuel Economy VIN: WV2KC0701P
i have had this car for a couple weeks trying to pass emissions. when it came in it was failing co at both 15mph and 25mph test on the dyno (both over 4% co). the emissions were 1% co at idle and 2500rpm without load so we installed a new cat. the emissions cl...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Buick Century Custom 3.1L Noise VIN: 2G4WS52M4X
Thanks guys, the problem is the passenger side lower engine mount. Thanks again for taking the time to help me out. This one took me for a little ride because it wasn't making a typical engine mount noise.
1988 Chevrolet C3500 Cheyenne 7.4L prom VIN: 1GBCHR34N4
Thanks for the quick reply. As most said that the little chip in the ECM was for backup or limp mode, to get the truck home or off the road. And most also stated that if the truck runs good, leave it. And that is what I will do.
2001 Chevrolet Cavalier LS 2.2L Brake light fuse VIN: 1G1JF52461
Well, it's been a good while and the Cavalier hasn't come back. I think it's safe to call it fixed. The exposed wire under the right door pillar/ seat was causing my issues the whole time and all my testing eventually burned up the turn signal switch again and...
2002 Dodge Ram 1500 Truck 4.7L Torq Converter clutch VIN: 1D7HU18N12
Sorry for the delay in posting, but this truck definitely fixed. Thanks to the 3 responses I got. (Especially Chris from North Carolina!) He confirmed one of the suspicions I was starting to have after studying the power flow hydraulic diagrams. I am 99% sure ...
1991 Ford Explorer XL 4.0L Poor Idle Quality, MIL Lamp on VIN: 1FMDV32X2M
Thanks to all replies. No matter what I did with the scanner it reported no codes. So I did as Don said 'then jump the sti to #2, it should be a grey wire with a red tracer.' That got the light to flash code 41. Unfortunately, code 41 (lean) was erroneous ...
1997 Land Rover Range Rover HSE 4.6L eas VIN: SALLPAMJ4V
Thanks all for your help After looking over this rover and talking to the owner the rover drop its air due to having to many fault as some of you said, the customer did not like the idea of getting rid of the air suspention. Later finding that the rear left ri...
2001 Mercedes-Benz C320 3.2L srs light VIN: WDBRF54J21
found loose connection on the drivers seat belt switch connector,reset light,light has not come back on again. thanks
1996 Volkswagen Jetta GLS 2.0L MIL Lamp on VIN: 3VWSA81H1T
OK seems that there is no real fix but to swap back the correct Transmission and TCM ,, Car was sold ,,, to some one Out of State. Trouble codes: P1613.
1999 Volkswagen Jetta GLS 2.0L Compressor? VIN: 3VWSC29M9X
Hello Techs, The systems were re-checked for performance. Pressures remained identical and does not change even after a few days. The center nut of the compressor does turn when compressor engaged. It took a while for the compressor along with the receiver dry...
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