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Prev Professional Automotive Repair Technical Discussions for July 31, 2008
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Help Request Answers
1992 Buick LeSabre Custom 3.8L Cuts out VIN: 1G4HP53L7N
when you drive car it can cut out any time when warmed up codes 41 42 43 we changed moduel only code left is code 41 cam sensor and crank sonsor ckeck ok and the magnet on cam gear does not look so good can anyone help Trouble codes: 41 (42 -), 42 (43 -), 43
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1993 Buick LeSabre Custom 3.8L Poor Idle Quality, Cuts out, MIL Lamp on VIN: 1G4HP53L1P
thanks to all who read this. guys please help me. this one is driving me nuts.car came in with check engine light. code 18 cam crank error. my tech ordered a cam sensor.. did not help. he ordered a crank sensor ,hum not that either.did find a bent fin on balan... Trouble codes: 18 (cam crank error)
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2003 Cadillac CTS 3.2L Poor Idle Quality VIN: 1G6DM57NX3
We have a 03 CTS in the shop that has a rough idle with the A/C compressor on. Idle is smooth with the a/c off. RPMs are not dropping, right at 700rpm. I'm thinking the engine mounts may be collapsed, they visually look fine. No misfires detected on scanner. Y...
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1994 Chevrolet C60 Kodiak C6H042 6.6L pressure plate VIN: 1GBG6H1J6R
the new clutch matched the old parts. clutch seems to slip even though throwout brg not putting pressure on fingers. seems to not have enough pressure on disc. there are three studs with nuts spaced on pressure plate against fingers. can i adjust these nuts an...
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1997 Chevrolet Blazer 4.3L No Start, Stall VIN: 1GNDT13WXV
After reaches operationg temp in closed loop status vehicle would stall without a restart. Spark good, fuel pressure good, cranking rpms okay, throttle position sensor reading .56 volts. Sure it isn't in a clear flood. Would not fire injectors. Injectors fired...
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1997 Chevrolet Tahoe 5.7L Hesitation, MIL Lamp on VIN: 3GNEK18R6V
I need some ideas on this truck. The truck basically runs like crap and has for some time. It doesn't run so bad that its undrivable just bad enough that you can tell somethings wrong. The check engine light was on so I pulled code and got the p0171, p0174 (bo... Trouble codes: P0171, P0174
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1999 Chevrolet Tracker 2.0L heater core VIN: 2CNBJ13C3X
i have this tracker here that is going through heater cores. i have been using gm replacment parts, i have inspected the heater box for objects that could cause damage to the core, no problems found and no damage to the core, they just start leaking. this is a...
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1999 Chevrolet Astro 4.3L Hesitation, Surge, Cuts out, Misfire VIN: 1GCDM19WXX
Wow, this one has been a headache. repair has been done as follow and above. found cat. converter bad replaced. dis. cap bad replaced . rotors. plugs, wires leak down test no leak in any cylinders. adjusted dis. by grinding bolt hole . problem went away for tw...
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2000 Chevrolet Impala 3.8L no interior lights VIN: 2G1WHK3Y92
GM techs need your help again-maybe I sent in fix for this vehicle prematurely.The issu of the trunk light coming on out of nowhere and the security alarm goin off in the middle of the night appears to be FIXED.But now there are no interior lights & when turni...
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2001 Chevrolet Venture LS 3.4L No Start, Cuts out VIN: 1GNDX13E11
Was driving this one home to a friend. Just cut out on me, pushed to side - waited about 15 minutes and it re-started. Went about 10 more miles - quit and had to be towed. The next day we replaced the security module near ignition key - reprogramed and car sta...
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2003 Chevrolet Silverado 1500 HD LS 6.0L Engine VIN: 1GCGK13U73
Truck had the rear exhaust bolt on the right side broken. Someone had tried to extract it and had drilled the hole crooked and broken an easyout off in it. Due to limited access I pulled the head, extracted the easyout and old bolt. Installed a thread insert a...
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2004 Chevrolet Silverado 1500 4.8L no 3rd VIN: 2GCEC19V55
On test drive with scanner, no codes, can see shift solenoids commanded, and can see tcc commanded.At idle with tcc commanded engine stalls.Can manully shift gears and feels like I got 3rd.Have seen TSB for trash in 3rd solenoid bleed orfice and got pan off an...
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2007 Chevrolet Impala LS 3.9L Airbag VIN: 2G1WS55R77
I received this Impala police car from a local body shop that had preformed the body repair and replaced the front crash sensors, air bag module under the seat and replaced the seat belt tensioners in the front. We got the car in and flashed the module and pre...
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1995 GMC G2500 Vandura 5.7L Hesitation VIN: 1GDEG25KXS
This vehicle came in overheating and leaking coolant severely at cylinder heads. We removed cylinder heads and they were cracked so we replaced them. After we got everything back together in running condition, we noticed on test-drive that it had a lack of pow...
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2003 GMC Sierra 2500 HD SLE 6.6L oil pump VIN: 1GTHK29153
I have a 2003 gmc 2500hd that had come in the other day blowing a whiteshblue smoke heavily coming out of the tail pipe replaced mass airflow sensor due to check engine light being on and sensor testing bad thought that the sensor might have made the truck dum...
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1994 Oldsmobile Silhouette 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1GHDU06L6R
Good afternoon, I have a Olds that is making me pull my hair out! When it first came in our shop it had a dead misfire on cyl #4 and a customer complaint was that the idle would surge up and down. We found cyl #4 inj driver to be bad. So we replaced the ECM a... Trouble codes: P1361
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2004 Pontiac Grand Prix GT2 3.8L wont run monitor VIN: 2G2WS54254
hello everyone, IM HAVING A PROBLEM GETTING VEHICLE TO RUN CAT AND EVAP MONITORS,CAR WAS IN RECENTLY FOR PO135 (O2 SENSOR HEATER)SENSOR WAS REPLACED VEHICLE WAS RELEASED 1 WEEK AGO,WAS TO BE BROUGHT BACK FOR NEW YORK STATE INSP.AND FOUND CAT AND EVAP STILL NO...
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Fixes & Summaries for GM
Fix/Summary Answers
1994 Buick Park Avenue 3.8L Cuts out, Stall VIN: 1G4CW52L2R
Thanks to all who tried to help. The fix was a new pcm. I read all the replies and had already checked some of the things. I was not aware that a high resistance injector could shut down the whole sequensial injector driver, but mine were o/k 15 ohms across th...
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1999 Chevrolet Cavalier 2.2L Charging VIN: 1G1JC524XX
I double checked ground at battery tray and problem fixed.Talked to a friend at GM and was told that the ground at the bottom of the battery tray is very common for corrosion.thanks for the help.
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2003 Chevrolet Tahoe LT 5.3L Hesitation, Stall VIN: 1GNEK13Z83
thanks to all who replied and especially Alex fron South Carolina, its been three weeks now and the customer called to say she believes the car is fixed, we disconnected the Ipod module, and all is well.
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2003 GMC Sierra Denali 6.0L unknown VIN: 2GTFK69U33
The fix was to replace the 8 round plastic leaf spring inserts! The TSB pertaining to this noise only mentions that they should be replaced if they are missing. Mine were not missing, but somewhat scrubbed-up and flattened out. I bought a Chassis Ear and pla...
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1992 Oldsmobile Cutlass Supreme S 3.1L 1-2 shift VIN: 1G3WH14T1N
Several members suggested swapping the govener,we did,helped a little bit,also unhooking the tv cable at the throttle and jerking on it while the vehicle was running the valve was stuck! It freed up and we did a complete trans mission flush via the cooler line...
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1995 Pontiac Bonneville SE 3.8L lack of power VIN: 1G2HZ52K3S
FIRST THANKS TO ALL THAT REPLIED. MOST OF YOU ASKED IF EXHAUST RESTRICTED, AND IF ANY ENGINE NOISE. NO THE EXHAUST IS NOT RESTRICED AND YES THERE IS A LITTLE LIFTER NOISE. FUEL PRESSURE IS GOOD. TRIED MASS AIR FLOW, NEW ECM AND PROM TO NO AVAIL. I RAN THROUGH ...
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2000 Saturn SL1 1.9L security VIN: 1G8ZH5281Y
Thank You to everyone who replied. We ended up replacing the BCM & PCM with used (LKQ)pair out of a donar car. We Installed the used parts then went through the reprograming and whala it ran. We hesitated to go with used parts but this was getting very expensi...
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2002 Saturn SL2 1.9L key and tumbler VIN: 1G8ZK52702
We thats about the most responses I have received in such a short period of time. Most were to get a factory key cut and try first. I did get a new factory key cut and late yesterday tried it. I was able to get the tumbler to turn, it is still stiff but at lea...
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