GMC Questions

1999 GMC Yukon, 4WD, SLT, 5.7lQuit while driving. No codes. Turns over, no ignition and the fuel pump isn't running. Swapped out relay already. No spark ei… 
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Latest Post by Big Block 409 on Sat, 03/10/2012 - 18:28. Answers - 1

2000 GMC SONOMA 4.3 2WD THEFT DETRRENT SYSTEM FUEL ENABLE CIRCUIT DTC P1626DTC P1626 SECURITY LITE ON SOLID AND NO INTERIOR DOME LITES.NO COMUNICATION TO BCM WITH MODIS. CHECKED BCM PWR,GND,DATA LINES… 
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Latest Post by Big Block 409 on Fri, 02/24/2012 - 07:24. Answers - 1

2000 GMC SONOMA 4.3 2WD THEFT DETRRENT SYSTEM FUEL ENABLE CIRCUIT DTC P1626DTC P1626 SECURITY LITE ON SOLID AND NO INTERIOR DOME LITES.NO COMUNICATION TO BCM WITH MODIS. CHECKED BCM PWR,GND,DATA LINES… 
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Latest Post by Big Block 409 on Fri, 02/24/2012 - 06:41. Answers - 1

k2500 GMC 4x4 serria ext cabthe truck has 90.000 miles on this eng. stoped eng was idleing alittle high, hit the excel to no more than 3500rpm's . eng wa… 
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Latest Post by Big Block 409 on Thu, 02/23/2012 - 05:23. Answers - 2

2000 GMC Jimmy pcv valve questionHow do I know if the pvc valve is bad?… 
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Latest Post by Big Block 409 on Mon, 02/20/2012 - 07:31. Answers - 3

I have a 2000 GMC Jimmy that is turning over but not firing. Will not startWhen you turn the key to start the Jimmy it will sound like it wants to start but does not fire. It makes the humming noise t… 
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Latest Post by drivability on Fri, 02/17/2012 - 16:26. Answers - 4

my 1994 gmc vanmy van will start but after a very short drive it will turn off and won't start again for about a good 30 to 45 minutes. what… 
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Latest Post by Big Block 409 on Mon, 02/13/2012 - 17:52. Answers - 5

2006 GMC YUKON DENALI REAR DOORWARNING COMES ON "REAR HATCH DOOR OPEN" WHEN START UP SUV EVEN THOUGH THE DOOR IS SHUT. CAN NOT LOCATE SENSOR AND WOULD LIKE… 
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Latest Post by Big Block 409 on Sat, 12/10/2011 - 08:11. Answers - 1

1986 gmc 3500 truck transmissionHarsh engagement p/n to reverse in the turbo 400 in my truck. All temperatures, idle normal, driveline good, motor mounts go… 
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Latest Post by Big Block 409 on Fri, 12/09/2011 - 05:55. Answers - 7

I have a difficult electrical problem with my 2001 GMC Sonoma What are some typical problems with tmy sonoma seems to have a repetative problem I haave changed the closter gauge array the radio the alternator the batteaasr… 
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Latest Post by ASE MASTER on Tue, 11/22/2011 - 00:45. Answers - 2