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Prev Professional Automotive Repair Technical Discussions for June 22, 2011
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1994 Cadillac Fleetwood Brougham 5.7L Unknown VIN: 1G6DW52P6R
hey all this Cadillac is a little on the strange side it came to us not cooling very well we check the data on the hvac and saw that the command for the blend door didn't match the actual door position we replace the blend door actuator the reading looked bett...
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1998 Cadillac DeVille 4.6L Unknown VIN: 1G6KD54Y6W
Car came in with water coming from heater case on passenger side only when AC is on. Cannot find the drain.
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1985 Chevrolet K10 Silverado 5.7L choke lamp VIN: 2GCEK14H3F
have this nice 1 owner truck that has a Choke lamp that flashes on and off at times-Elect choke ohms out good & is operational- all wiring checks good- Volt test at choke with engine running = alternator output volts- 13-14.4 at most times(when choke lamp is o...
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1996 Chevrolet C3500 7.4L Misfire VIN: 1GBKP37N2T
Hello, this motor home has a misfire under light load while cruising,it can be hurd back firing in the exhaust, full accelaration ok. I unplug the EGR still the same problem. The motor as good compression & power. Feeding carb cleanner when misfiring the probl...
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1996 Chevrolet K1500 4.3L No Start VIN: 2GCEK19W7T
Hey guys need a little help here. I got this tuck here that I got into against my better judgment. Customer transplanted a 5.0 into this truck which had blown 4.3. He wanted me to finish up, and According to him this works by installing v8 computer and overlay...
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2002 Chevrolet Monte Carlo SS 35th Anniversary Edition 3.8L No Start VIN: 2GIWX15K42
Intermittently there is no crank condition. Customer has ran new grnds. and installed new terminal ends.I've monitored with S terminal voltage at starter and can't get the vehicle to exibit fault! Thinking it's a bad starter but the draw seems ok.I've heard th...
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2004 Chevrolet Impala 3.8L No Start VIN: 2G1WH52K74
working with a 2004 Chevrolet Impala the PRNDL only lights up during bulb check then all the letters turn off. This car will not start, have jumpered the relay under hood relay center and the engine does start and run for a momment then stalls. I have no commu...
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2005 Chevrolet Silverado 2500 HD 6.6L hydo boost VIN: 1GCHK23295
I have a client with a hydo boost that leaks power steering fluid where it mounts to the brake master cylinder. My question is it practical to attempt to reseal these? does anyone do these sucsessfully? are the parts available?
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2006 Pontiac G6 GTP 3.9L Vvt VIN: 1G2ZM17116
CEL comes on, DTC P0011 is set, variable valve timing over advanced. Just wondering what to look for before I open this up. Anyone see many problems with the actuators? Anything to watch for with timing chain, other than for obvious wear? There doesn't appear ...
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Fixes & Summaries for GM
Fix/Summary Answers
1996 Buick Riviera 3.8L Stall, MIL Lamp on VIN: 1G46D22KXT
thanks to all whom helped i replaed the sensor and the sensor in the cam gear and i still have same problem cked crank sensor wireing and cam sensor wireing suspect ecu at fault Trouble codes: P341.
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1998 Chevrolet C1500 Silverado 5.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCEC19M4W
Turns out this one is a bad intake gasket. Although it didn't show up with a smoke machine, it did pull vacuum in the crankcase. I havn't installed new gasket set yet. I should have found this one sooner. Thanks for your time guys, Cory [...]. Trouble codes: P0300 (Missfire detected).
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2000 Chevrolet Astro 4.3L Misfire, MIL Lamp on VIN: 1GKDM19WXY
Thanks for all the help on this one, replaced injector unit and knock sensor module and all seems fine. Ran for 3 days in shop without missing so I returned to customer last night. Hesitant to call it fixed yet, after a month passes and no more astro will make... Trouble codes: P0300 (Random misfire although only 5 is missing.), P0325 (Knock sensor).
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2001 Chevrolet Silverado 2500 HD 6.6L Excess crankcase psi VIN: 1GCHK23191
Thank you everyone for replying. Especially Justin and David. I think both of you are correct in saying diesel is getting into oil. I did an oil change and it fixed the blow by problem. Told customer to monitor closely. If it returns I will surely check return...
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1999 GMC Yukon Denali 5.7L Poor Idle Quality, Misfire VIN: 1GKEK13R6X
Ok most of you hit the nail on the head. The new "brand X" distributor cap was defective, replaced the cap and rotor with OEM parts and the truck runs like a champ. Trouble codes: P0300 (Random misfire).
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