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Prev Professional Automotive Repair Technical Discussions for November 22, 2009
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1995 Buick Riviera 3.8L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1G4GD2219S
Hi Folks, This customer said this symptom just started a couple of days before he brought it in. Check engine light on, lack of power until full throttle, severe 2 second engine cut out. After replacing everything in the repair history and erasing the code the... Trouble codes: 260 (QDM 2 Fault), 341 (Camshaft Sensor Signal Erratic), 361 (EST not toggling)
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2006 Cadillac DTS 4.6L headlite VIN: 1G6KD57Y26
Customer states the right headlite will go inop while driving and sometimes both right and left will go out. Headlites and all other lites were functional while looking for the problem so its a little tough to find when everything is working correctly. Using m...
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1991 Chevrolet C3500 Silverado 5.7L Surge, Stall
ok guys this one is on our company tow truck. truck runs fine here local, no miss, surge or stall. if you drive the truck for a good distance, say 50 miles, if you stop and let the engine idle for about 10 mins or so while unhooking the car, the engine will su...
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1994 Chevrolet C1500 5.0L Hesitation, Poor Fuel Economy VIN: 2GCEC19H3R
Hello everyone, this truck came in aweek ago, customer said it intermitently would hesitate and have no power ,could not keep up with traffic on highway. drove truck 4 or 5 times till it acted up, felt hesitation but seemed to have good power at highway speed....
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1996 Chevrolet Camaro 3.8L SRS indicator ON VIN: 2G1FP22K7T
SRS indicator flashes upon start up for 5 seconds and then remains ON steady. Scan tool (EASE) shows Code 61 present. All other SRS parameters are OK as per scan tool. I need troubleshooting information for this vehicle as my sources of diag info are limited ...
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2003 Chevrolet Silverado 1500 LT 5.3L speedometer VIN: 2GCEK19T84
Customer brought this thing on Saturday for me on Monday. I barely looked at vehicle so far. My problem is the speedo does not work and neither does the oil pressure guage. Customer said the oil pressure guage quit working 2 months ago but the speedo, last yea...
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1997 GMC Jimmy SL 4.3L Hesitation VIN: 1GKCT18W5V
This vehicle is equipped with GM's Central Port Fuel Injection system (the one with the plastic lines going to each port).I want to clean the injectors but am unsure as to how to shut the pump off wihout affecting any other system(will just pulling the fuse do...
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Fixes & Summaries for GM
Fix/Summary Answers
2000 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNDI13WXY
GENTLEMAN, YOU HELP HAS BEEN OVERWHELMING, WINDS UP THE PROBLEM WAS IN THE FUEL FILL TUBE, NOT RUSTED THRU, BUT AT THE TOP WHERE THE CAP TWISTS ON, THE LEAK WAS BETWEEN THE THE METAL PIPE AND THE PLASTIC INSERT THAT THE CAP FITS INTO, ACTUALLY HAD TO TAKE TH... Trouble codes: P0442 (evapmall leak).
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2002 Chevrolet Tahoe LT 5.3L Brakes VIN: 1GNEK13Z62
I think its fixed. There have been several cold mornings and after biting what was left of my nails off I called to see how the Tahoe was doing and so far all is well. Most of you seemed adamant those speed sensors were not working correctly and although I cou...
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2000 Saturn LS1 2.2L MIL Lamp on VIN: 1G8JU52FXY
I cannot say that I fixed this car, but it is out of the shop. After 3 O2 sensors, pcm, bypassing the harness for all four wires, disassembly of the underhood fuse block. It ate up 3 days of flag time that could have benn used for better things. I appreciate t... Trouble codes: P0140 (B1S2 No activity).
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