GMC 1500 Pickup Problem Report
GMC 1500 Pickup Check Engine Light and Misfire Due to One or More Stuck Closed Fuel Injectors
One or more fuel injectors may become stuck closed causing an engine misfire and the Check Engine Light to illuminate. Our technicians tell us that this problem can be caused by some fuel additives. There are special procedures which may be able to restore the affected injector. If this fails the affected injector must be replaced.
p0304 code,wont hold fuel pressure when fuel pump is off.it also has bad cat codes - Visitor
when driving there is a studder when accelerating,also the o2 sensors are needed,and my check engine light is on - Visitor
I have seen this happen on about a dozen occasions, it is a definite problem with this design of fuel injection, but they do sell an upgrade design as a replacement, which is very nice. - PRESTONFITZ
Do you have to pull the engine to replace the oil pump in a two wheel drive truck?
Where is the gas tank pressure sensor located? If I can find it I can replace it..
The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engin...
Also my truck backfires when I press on the pedal too hard, it bogs down, idles up and down...n...
the engine cranks and cranks, will not start