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Open Help Requests for GM
Help Request Answers
1992 Buick Century 3.3L Excessive Emissions
hi evry one!i need help with this car, came in failing emission inspection for NOx at 15 mph ,reading 918 ppm . 25 mph 687 ppm. car runs good , no codes , from emission reading looks like its running lean , but with my snop on scanner o2 sensor switching withi...		 View
2006 Cadillac Escalade 6.0L seats
this vehicle has to be running to energize heated seats. When attempting to turn on either seat back heater or both bottom and back heater to either front seat, the led's will flash on and off and can verify that B+ and ground pulse to the heater element in th...		 View
1999 Chevrolet Blazer 4.3L interior lights
#8 int. fuse blows only when the pass. side door jam switch is activated .after looking at diagrams this dont make any sense.i have unplugged all the easy stuff.still the same.the cusomer had a 25 amp fuse in instead of a 10.with the 25 in the wires going to t...		 View
2000 Chevrolet Impala 3.8L Hesitation, MIL Lamp on
Car came in with hesitation when you accelerate from a stop car almost dies out.check engine light comes on and mass air flow code p0102.When looking at scan tool data maf hertz is 0 and gram per second stays at 1.34.No change at all when you goose engine.Chec... Trouble codes: p0102 (mass air flow low voltage).		 View
1995 Geo Prizm 1.6L Hesitation, Stall
The Geo Prisim LSI will start and run at idle and will occasionaly die at idle. The vehicle will restart. The fuel pressure will not go away. The engine will die if the throttle is opened quickly for acceleration from idle. If the throttle is opened slowly the...		 View
1999 GMC Sierra 1500 4.3L Poor Idle Quality, Surge, Misfire, MIL Lamp on
interpeted fuel trims as -13 stayin open loop longer than usual o2s never been changed ,maf normal shows good on brick,o2s switching , looks normal but see codes above don``t want to r and r o2s want to be sure any help would be apprecm thanks paul Trouble codes: p0131, p0137, p0, 151 (low volts b2s1), p0157, p0, 300 (mulyiple cyl miss detected), p01351.		 View
2002 GMC Sierra 1500 5.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on
wiil not accept cam and crak relearn Trouble codes: p0200, p0300.		 View
2004 GMC Sierra 2500 HD 6.6L tr switch
tr switch displays correct gear selection with koeo but when you start truck it reads invalid with code p0708 setting imediatly. total lost on this one		 View
2004 Pontiac Grand Prix 3.8L power steering
hello everyone, this car came to me with a whine noise when cold. i drove it warm and it had a slight whine that was the loudest at the p/s pump. i checked it the next morning cold and the pump was extremely loud, it sounded like it was low on fluid but the le...		 View
2003 Saturn L300 3.0L Stall, MIL Lamp on
costomer says at times no start. let sit little bit will start. check engine light came on other day with transmission shifting funny.drove to the garage ok today.shifted ok but light still on.i test drove ok light was off.scanned ecm code p2903 no description... Trouble codes: P2903, P0727 (no engine speed input from ecm).		 View

Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Park Avenue 3.8L No Start
THANKS TO ALL FOR SUGGESTIONS,THE CUSTOMER DECIDED SHE DIDN'T WANT TO SPEND ANY MORE MONEY ON A 1995 CAR.SO SHES GOING TO PAY ME FOR THE LABOR AND PARTS SHE INSTRUCTED ME TO DO,AND NOW HAVE IT TOWED TO THE BONEYARD.SHE LEARNED THE HARD WAY!		 41
1996 Chevrolet K2500 Suburban 7.4L Power Door Lock
First off thanks to all who responded. I was going through the diagnostics from Alldata, and it does not talk about checking the relay for the issue of, for no power to tan wire at lock switch. Turned out to be a bad relay. I removed relay, took it apart and w...		 4
2001 GMC Sonoma 2.2L monitors
TRUCK RECEIVED WAIVER. MONITORS STILL HAVEN'T SET. CHECKED PREVIOUS INSPECTIONS AND THE ONLY YEAR THE SEC AIR PUMP MONITOR WAS SET WAS 2005. THANKS FOR THE HELP		 5
2001 Oldsmobile Alero 3.4L Misfire, MIL Lamp on
On this episode I learned that used car salesman are still a pain in the ass. I have been paid for a bit of my diagnostic time, and have released this car on good terms. The salesman and customer are going to argue WITHOUT me in the middle, and that's the wa... Trouble codes: p0300 (misfire detected), p0442 (evap small leak detected).		 26
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