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Prev Professional Automotive Repair Technical Discussions for October 4, 2011
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1994 Chevrolet K2500 Silverado 5.7L Poor Idle Quality, Stall VIN: 2GCFK29K4R
Vehicle brought in with engine stall concern when coming to a stop. Was able to drive vehicle without getting it to act up. Checked some things out here and there but found nothing. When truck ws started to pull out of shop, it hesitated on start up for 3 seco...
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2004 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHC23134
Hello group,have this 04 2500 chevy duramx diesel with code p0380 glow plug circuit,car runs fine after reset no light take a couple of starts and light will come back on,at this point,I have not done much tests on it,I started to ck for glow plug relay and co... Trouble codes: P0380
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2007 Chevrolet Tahoe LT 5.3L Surge VIN: 1GNFK18730
seeks idle with no codes. fuel pressure is 60 psi. flashed pcm. relearned throttle. cleaned throttle body. has a new battery. alternator charges between 12.5 and 14.5 please i use your input.
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1983 GMC Caballero Diablo 5.0L Wipers VIN: GTCW80HYDR
Hello GMC tech's , this one a old dog and has been frying wiper motors. If you turn the intermmitant all the way up the washer motor turns on? Our tech says that he ran the test on the switch per Alldata and it passed, but it sure seems like a switch when all ...
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2006 Saturn Vue 2.2L Brakes VIN: 5GZCZ33D86
Car came in with lt. frt brake caliper smoking hot, literally. Checked with infra-red thermo & the temp was 450 deg.F and the other side was 180 degF. Replaced both front calipers and hoses. Power vacuum bled and added new fluid. Bled rear brakes as well. Stil...
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Fixes & Summaries for GM
Fix/Summary Answers
2000 Cadillac Escalade 5.7L Duct Temp VIN: 1GYEK13R4Y
AS BRADLY TOLD US TO CHECK FOR OVER OILING THE SYSTEM ,WE TORE COMPLETE SYSTEM DOWN AGAIN AND STARTED FROM SCRATCH AND WE FOUND APPROX 7-8 OUNCES OF OIL IN COMPLETE SYSTEM WITH THE EXCEPTION OF THE REAR EVAP. SO WE DECIDED THAT THAT WAS NOT THE PROBLEM.OUR PRE...
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2001 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Cuts out, Misfire
A big "thankyou" to all that responded to my help request. The vehicle in question was repaired by responding to the suggestions from Jacob [...]., which both reminded me to cover all the "basic tune-up" stuff first. Also mentioned by Tim [...]. and Ken...
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2005 Chevrolet Cavalier 2.2L Cuts out, VIN: 1G1JC52F95
We were leaning towards 4 injectors and cleaning the tank bc it ran good as long as you sprayed it w/ carb cleaner. Customer didnt was to spend more time on it.
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2007 Chevrolet Express 3500 6.0L Misfire VIN: 1GAHG39U97
Thanks to every one that replied back to us,i have found and fixed the problem. after pulling off the dog house i seen how the wire harness is tucket under the fuel rail so i started pulling it out from under the rail and once i had it out i seen that the com.... Trouble codes: P0354 (Ignition Coil D Primary/Secondary Circuit Malfunction).
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1997 Geo Prizm 1.6L No Start VIN: 12JW833EUE
ok sorry took so long to close this. after checking everything under the sun my diagnosis concluded ecm is bad, but with limited rescources to be sure my friend took the car to the dealer to verify diagnosis dealer agreed that ecm was bad, tried 4 junkyard ecm...
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2001 GMC Yukon XL 1500 SLE 5.3L Surge, MIL Lamp on, Low power VIN: 3GKFK16T61
Well, this one can be recorded as a partial fix. There was more than one problem on this vehicle. A fuel pump fixed the drivability, but the CEL still comes on. Some details. We checked fuel pressure when the vehicle was acting up and it did not drop off. ... Trouble codes: P0153 (O2 sensor circuit slow response B2 S1), P0155, P0131 (O2 sensor low voltage B1 S1), P0151 (O2 sensor low voltage B2 S1), P1153 (O2 Sensor insufficient switching B2 S1).
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2003 Hummer H2 6.0L Chain & Sprockets VIN: 5GRGN23U63
Well as fate would have it, the problem was not in the transfer case. On a test drive over a small bridge, where I could really hear the rattle, I dropped the H2 into low range at 20mph and the rattle stopped. I did this 15 more times to verify and everytime...
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