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I have a 1998 gmc yukon 5.7. It has two codes im having
Hi. I have a 1998 gmc yukon 5.7. It has two codes im having issues fixing. First is a p0300. Looking into misfire history with the scan tool, cylinder 5 is the culprit with 5000+ misfires recorded. Iv… read more
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JOHN aka Eauto
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2004 gmc savana rwd 4.8. Customer vehicle came to shop with
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After replacing cap coil distributor plugswirerotor plugs
After replacing cap coil distributor plugswirerotor plugs rotor cap engine still cut off an want start… read more
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Pulling codes P0300, C0035, C0055. Be 0090, U1016, B2610,
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97 gmc jimmy 4.3 4wd Getting bad gas milage I did a fuel
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Tim\u0027s Auto Repair
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I have a 2008 GMC Sierra 2500hd, and I have been having
Hello There! I have a 2008 GMC Sierra 2500hd, and I have been having problems with a random misfire I ran the scanner and all I have is P0300 and I noticed that if I disconnect the Barometer air press… read more
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GMC Envoy SLT: 2006 envoy slt throwing code p0171. adding 29%
2006 envoy slt throwing code p0171. adding 29% fuel and idling bad on cold start up. after badly running for the first few minutes the motor will snap to running perfect and not have any issues after.… read more
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GMC jimmy: I am working on a 96 gmc jimmy runs ok at idle but
I am working on a 96 gmc jimmy runs ok at idle but when put in gear and try to go down the road it jerks and will not accelerate and sets random misfire code if maf is unplugged it will run better but… read more
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GM Jimmy SLE: I have a p0300 code coming up in my 97 gmc jimmy
I have a p0300 code coming up in my 97 gmc jimmy 4wd 4 door SLE. When I check the code all I can find is info on random misfires. Nothing solid to say the least. The engine is defiantly misfiring, but… read more
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GM Yukon XL: Having terrible misfire problems in 2003 Yukon
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GMC Suburban K2500 4x4: I have a 99 GMC Suburban 2500 4WD
I have a '99 GMC Suburban 2500 4WD with the 7.4l engine and 215,000 miles on it. Recently, the truck has developed a very rough idle after warming up and sometimes it's a little slow to start, again a… read more
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GMC Suburban K25/K2500 4x4: i have a 1997 GMC Suburban 2500
i have a 1997 GMC Suburban 2500 with a 5.7litre. when the engine warms up it starts to stagger and doesn't run smooth until higher rpms. It stumbles when in gear and comes close to stalling.… read more
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GM k1500: 1998 GMC k1500 comoing back from a long journey engine
1998 GMC k1500 comoing back from a long journey engine light came on started flashing then went solid drove truck home seemed to burn a lot more fuel when i arrived home checked plugs, wires, distribu… read more
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GMC Yukon SLT: i have a mass air flow sensor code with an engine
i have a mass air flow sensor code with an engine light comming on. new plugs wires and airflow sensor. garage flushed injectores when vehicle had very little fuel in the tank. Symptoms are engine spu… read more
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GM jimmy: Hi my name is XXXXX XXXXX a problem i changedplugs
Hi my name is XXXXX XXXXX a problem i changed plugs wires cap rotor checked all vacuum lines n my truck is still running rough got thes codes p0141, p0154, p0155, p0300, p0446 can u help me. And it se… read more
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GM gmc jimmy: 2000 gmc jimmy. would not start then finally
2000 gmc jimmy. would not start then finally did. ran very rough. today would not start at all and its raining out . Hooked up scanner got a p0300 code. random multiple misfire. cap rotor wires and pl… read more
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GMC G15/G1500 Van Vandura: 2005 gmc 1500 g sereis van 6 cyl.
2005 gmc 1500 g sereis van 6 cyl. has p0101 code, and p0300 and misfire on 2,4,6 pass.side. tuned up. no change. cleaned mass air, no change, replaced mass air, no change. long and short term fuel tri… read more
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99 jimmy heater vents change apon acceleration with sluggish acceleration (like always in
99 jimmy heater vents change apon acceleration with sluggish acceleration (like always in overdrive) -- thinking it is a vacuum problem but not sure where to start -- cant find a vacuum diagram anywhe… read more
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Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

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GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

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Dave Nova

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ASE Master Certification. GM World Class Certification

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Chris (aka-Moose)

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JFN1

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Don - Mo Lurch

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Mike S.

Mike S.

ASE Certified Technician

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GMC N.A.I.S.E. Certified Auto-Mechanic

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