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Prev Professional Automotive Repair Technical Discussions for July 7, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
1994 Buick Park Avenue 3.8L blend door VIN: 1G4CW52L9R
This is my own vehicle. My specialty is Toyota,but I like this Buick & it's affordable. The a/c (R134) is blowing cool air,but not cold enough. It has worked fine up until the last few days. Pressures seem fine;condenser fan working,all the basics. Also has th...
1986 Chevrolet Cavalier 2.8L transmission VIN: 2FAFP71W6X
Is this something that the release bearing/fork could cause or is there something that I am overlooking. customer wants me to do the second job for free! I am not exatcty a trans guy but I am not trying to pull it again if I dont have to. Any help would be gre...
1989 Chevrolet Camaro Iroc-Z 5.7L No Start VIN: 1G1FP2187K
ok guys heres one beating my techs butt. this car starts up cold and if it runs more than a minute it will not restart. we first noticed this condition when it was in our shop for a check before emissions inspection. we pulled car into shop and checked it over...
1997 Chevrolet Camaro 3.8L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 2G1FP22K9V
This car bogs down really bad during accel when cold. Also after it's warm it will surge around 3500 at full throttle like it has a governor. I definitely suspect a bad MAF but dont know what its range should be. It acts like low fuel pressure or plugged filte... Trouble codes: P0101 (Bad MAF System Performance), P0131 (O2 Low V. Bank 1 Sensor 1), P0151 (O2 Low V. Bank 2 Sensor1), P0300 (Misfires Detected)
2000 Chrysler 300M 3.5L a/c system VIN: 2C3H66G0YH
customer called to say a/c stopped working.discovered system to have proper pressures to operate,but belt was smoked.compressor seized up.installed new compressor,pulled vac on system,recharge,compressor will not come on.what did i miss?
2001 Chrysler Sebring LX 2.7L compressor inop VIN: 1C3EL45U91
this is kicking my a--, it started with an intermittent no cold air, after hooking the guages the low side went into a full vacuum(15 in hg) no problem ,i replaced the h block with a factory part and recharged the system it blew ice cold for a 10 mile road tes...
1999 Dodge Intrepid ES 3.2L starter VIN: 2B3HD56J6X
this vehicle came to me on a hook with a no-start condition. first checked the battery and all the fuses to make sure everything was okay, it was. pulled codes and found p1490 low speed fan relay ckt open/short and p1685-invalid key message recieved from skim....
1996 Ford Mustang GT 4.6L Cooling fan VIN: 1FALP45X8T
Thanks for the help. I have a 96 Mustang GT with a 4.6, thayt was brought to me from another shop. They had replaced the cooling fan assembly because it did not work. Now the cooling fans copme on at 198 degrees F first on low speed then go to high and do not ...
1996 Ford Taurus GL 3.0L no 3-1 downshift VIN: 3N1BB51DXY
Hello, this trans wont downshift at stop to 1st gear. when you manual shift to 1st at stop trans will shift to 1st but if you shift back to drive at stop trans will shift back to 2nd gear without moving the vehicle. This trans will shift fine when done manuall...
1997 Ford Escort LX 2.0L tcc VIN: 1FALP13P6V
Vehicle came into shop 300 miles ago for a Check Engine light complaint. Scan of computer brought up code P1744 Torque Convertor Clutch System Performance. Code is for California Emissions vehicles only and is diagnosed by symptom., according to AllData. This ...
1998 Ford Escort SE 2.0L a/c clutch VIN: 1FAFP13P8W
Hello I work on chryslers and kias, but my sister has a 98 ford escort that she get rid of, so i've got to fix it. basically the a/c clutch does not come on, my power inputs going to the ccrm relay module are good, but nothing is coming out. before i buy that ...
1999 Ford Taurus LX 3.0L power steering pump VIN: 1FAFO58U2X
Dont know what it could be?
1999 Ford Escort LX 2.0L No Start
Couple of questions for you Ford tech's.This escort with the loverly vct system had the tranny replaced with a used unit.Now the car won't start.The tech who put the tranny in swears it ran just fine before the tranny replacement.It acts as if it is out of tim...
2001 Ford F-150 XL 4.6L instrument cluster VIN: 1FTRX17W5X
tried to reprogram new cluster theft with 2 keys,will not take. i reprogrammed old cluster and it started. i am getting a code B2139 data mismatch from cluster and a code p1260 from pcm theft detected. I have an ngs scan tool. does any info from the old cluste...
2005 Honda CR-V EX 2.4L Mechanical VIN: JHLRD78965
hi guys, I got this 2005 Honda CRV with a/c issue,customer came in & the a/c is not cooling, I check the system was full of freon but the high side reading was 400 whichistoo high, I recycle & evaccuete the system & clean the radiator & condensor fins. I recha...
1996 Jaguar XJ6 4.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G4BR82PXR
Vehicle came in with intermittent misfire, intermittent MIL on, code P1314 present. Found air leaks at intake tube to throttle body boot and crack at IAT sensor in tube. Repaired. No change. Weird. Tested coils, fuel injectors, and circuits electrically - ok. ... Trouble codes: P0300 (Multiple cylinder misfire detected), P1314 (Bank 2 catalyst damaging misfire)
2000 Jeep Grand Cherokee Laredo 4.7L No Start, Stall VIN: 1J4GW48N7Y
This jeep will die without any warning and will not restart right away. When it does not start, the guages do not operate completely. The fuel guage does not move, the volt guage moves to 9 volts only. If you cycle the switch and the volts go to 12 and the fue... Trouble codes: P0725 (engince speed sensor malf.)
2003 Land Rover Range Rover HSE 4.4L transmission VIN: SALMF11464
After about 10 minutes warm-up-drive, transmission goes into limphome-mode, especially entering coasting after an acceleration. Recycling ignition-key resets failure for the next couple of minutes. Other then that, trans shifts and runs perfect. No engine code...
1986 Mercedes-Benz 560SL 5.6L ignition VIN: BA48068A04
I don't see many of these vehicles but the ignitions system looks relatively easy to understand. I am getting intermiten no start/stall, no spark. We gambled with a crank sensor that we thought was the fix. Not! There is voltage to the pos side of the coil. No...
1994 Mercedes-Benz E320 3.2L blower VIN: WDBEA32E4R
thanks for any help on this. customer brought car in wanting blower motor replaced, said it was noisy at times & then quit. replaced motor but there is no power to motor. all fuses in panel are good. wiring diagram shows a seperate fuse for this. does anyone k...
2000 Nissan Xterra SE 3.3L compressor VIN: 5N1ED28YXY
i have this nissan xterra that the a/c compressor turns itself off when ever it wants to. all pressures seem to be fine all fans are working and it cools very well when its working. if any one knows of a particular bug that may be haunting this system, please ...
2003 Ferrari 360 Spider 3.6L roof VIN: ZFFYT53A43
Hey guys I'm trying to help out a really good customer of mine. We live in a small city and there are no resources within 1000 miles for this ferrari. Basically they patialy disassembled the roof to refinish the car in a different color and now it will not ope...
2000 Pontiac Grand Prix GTP 3.8L a/c compressor VIN: 1G2WR5212Y
2000 Volkswagen Jetta GLS 2.0L compressor clutch VIN: 3VWSC29M3Y
This Jetta came in with no A/C. Pressures are fine (static) 100 PSI. The compressor clutch is receiving 10.63 volts for .5 second every 15-20 seconds when the A/C switch is depressed with engine running. Grounds tested good as well as the fuses. The high press...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1985 BMW 318i 1.8L Surge VIN: WBAAC7408F
Thank you for all the help. Most were right with the tps out of adjustment and oil soaked. After changing the tps and the idle controller, the idle surge went away. The cruise surge was better but, you can still feel it a little bit. I think it is the air...
1993 Cadillac DeVille 4.9L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1G6CD53B8P
Well the car is up and running...Thanks for all the replies and advise. Here is the final solutions. We also found a plugged catalytic converter which we replaced.Helped a lot but not completely. Check and repaired all grounds. Better but still not 100% This c...
2003 Cadillac Escalade 6.0L compreesor VIN: 3GYEK63N23
we replaced the condensor and it works good,blowing cold like it should,pressures are good. thanks for all the help.
1994 Chevrolet Caprice Classic 5.7L Coolant resivoir VIN: 1G1BN52P0R
Thanks for the help. In my post I did not state that it was engine oil in the reservoir. (According to the dealer). There was a very small hint of engine oil on the coolant filler cap when I first saw the car. I pulled the thermostat and found no sign of oil i...
2004 Chevrolet Tahoe LS 5.3L front end VIN: 1GNEC13Z74
Thanks to all that replied, it was the crossmember bolts. Someone had even undercoated behind the crossmember. We cleaned everything off and installed the washers, test drove and the noise is gone. Thanks again everyone was a big help.
2000 Dodge Intrepid ES 2.7L No Start VIN: 2B3HD56U6Y
i replaced the gears like suggested, but it still won't start. no spark or injector. i found an article that states that the pcm is suspect,so waiting on the boss to make the call, because it's his car.thanks for all the help i really appeciate it Trouble codes: P0340.
2002 Dodge Intrepid SE 2.7L relay VIN: 2B3HD46R82
This job was a nightmare. I replaced the ignition switch and the solenoid pack in the trans but still kept getting that darn P0888 tcm relay off code. I kept testing the relay and noticed the power would flicker off when shifting from park to drive and after...
2003 Dodge Ram 1500 Truck 4.7L transmission VIN: 1D7HA18N13
Thanks to those who replied. The replies suggested checking the torgue converter solonoid and several suggested checking the TPS sensor. The customer did not return the vehicle so I don't have any other testing data to share. Sorry.
2001 Ford Explorer Sport 4.0L Cuts out VIN: 1FMCU7OE91
I replaced the throtle body. Test drove it and did not die. Customer took it and has not come back. So I think this is is fixed. Thank you for all your help.
2002 Ford Explorer XLS 4.0L Unknown
Sorry it took so long to close this one.I wanted to be sure car was fixed.I sent the trans. out to be rebuilt,as Im not a auto trans. specialist.The trans. tech. said he didnt find any thing obvious,like burned clutches,bands,sprags,ect.But he replaced all the...
2003 Ford F-150 Lariat 5.4L lights VIN: 2FTPX17L03
well i think this one is fixed, i found out the windshield was leaking on drivers side and i pulled down fuse block to check for corroded wires nothing, but i jiggled them around and boom the lights were out possible loose wire, well i sent this one out but to...
2005 Ford F-150 Lariat 5.4L ac system VIN: 1FTPX12505
2001 Hyundai Sonata GLS 2.5L a\c clutch VIN: KMHWF25VX1
Hello to all and thanks to all that have read and replied.We were instructed to check voltages and ground paths,pressures and voltage drops to see what has caused this clutch to fry itself.We could not test the pressures at this point because the compressor wo...
1983 Mercedes-Benz 240D 2.4L Camber VIN: WDBAB23A7D
Firstly thanks for the numerous replies, all helpful. You European cats are a pretty decent bunch. I bought some German aftermarket upper control arms including bushings and the ball joint, and the lower ball joints need replacement too. These brand new tir...
2000 Subaru Outback Limited 2.5L clutch VIN: 4S3BH6861Y
The fix for this one is simple, we took the part numbers off the old parts and ordered using them instead of the vin code. I don't know why but the dealer parts do not fit this car any other way, maybe a computer mix-up? And finally we got the correct parts ...
1996 Volkswagen Jetta GL 2.0L Reverse Clutch VIN: 3VWWA81H5T
What finally got the shifting on this VW to be pretty normal was a tip from a Master VW tech that I know locally. He said to erase the transmission memory: -Turn the key on, engine off -Slowly to the count of 30 seconds push the gas pedal down all the way to t...
2000 Volkswagen Jetta GLX 2.8L Blower Motor VIN: 3VWTE29M9Y
found a broken power feedback wire, blue in color, from the power side of the blower motor back to the control head had broken inside the harness. Ran a new wire and everything is working now. Thanks for all the replies.
2002 Volkswagen Jetta TDI 1.9L MIL Lamp on, low power VIN: 3VWSP69M92
Most everyone of the replies were correct. The code i had was for boost pressure, we tested the wastegate and found vac there{when needed} and it seemed to move with a hand vac pump. We lubed the shaft{worked it several times} and cleared the code. The car has... Trouble codes: P0671, P1556.
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