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Prev Professional Automotive Repair Technical Discussions for November 12, 2011
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Open Help Requests for GM
Help Request Answers
1998 Chevrolet Tahoe LS 5.7L Misfire VIN: 1GNEK13R1W
this is my own vehicle. While towing my boat home got about 5 miles frome the ramp and started missfireing, had to drive aprox 40 more miles to get home. Found code p0300 scanner showed 2&7 missfing. Replaced cap and rotor,wires miss still there . Found no spa... Trouble codes: P0300
2003 Chevrolet C4500 Kodiak C4C042 6.6L No Start, Hesitation, Stall VIN: 1GBE4E11X3
I would like some advise from some diesel techs out there and not the advise that replacing all injectors would fix the problem like the easy way out. How can i check fuel return rates and with Snap-On scanner,can the scanner actually read return rates? How do...
2002 GMC Envoy SLE 4.2L blower motor VIN: 1GKDT13S32
After the vehicle has warmed up to operaing temperature, if you turn on the blower or adjust the climate controls the vehicle starts to stall or completely stalls. We test the altenator, its good. The battery cable are good. The wiring to the blower is good. g...
2001 Pontiac Bonneville SSEi 3.8L Instrument Cluster VIN: 1G2HZ54141
Just bought this vehicle for myself. There are several clear bulbs burnt out for gauge illumination. GM recommends not to service them but I can't stand dark spots on the tach and speedo so it's coming apart and the soldered in bulbs will be replaced. Anyone e...
1995 Saturn SL2 1.9L Electronic VIN: 1G8ZH1270S
Hi All, This Saturn has a problem with the transmission, until the engine has warmed up, it slams into 3rd gear. It only does this in 3rd gear. After the engine warms up it works normaly. Then after you drive the car for and extended amount of time (such as an...

Fixes & Summaries for GM
Fix/Summary Answers
2005 Buick Park Avenue 3.8L Misfire, MIL Lamp on VIN: 1G4CW54K55
My educated guess is going to be a mechanical issue, either valve float or lifter sticking. I am deffinantly not losing injector pulse. I do not believe its not a rev limiter because RPM keeps increasing, misfire for number 1 climbs up and check engine light s... Trouble codes: P0300 (Misfire).
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