fuel pressure

Ok so I have a 02 z71 Tahoe and the service engine light keeps coming on and off every now and then. I scanned it and it says system to lean in both banks. I put on a K&n cold air intake and made sure everything was tight. My fuel pressure is at 45 and I know it should be higher. I was having a...

i have a 2002 Tahoe 5.3 and let me start by saying that even tho i am mechanically inclined, i am not a mechanic. The problem is intermittent, the truck will start and run normally and even revving the engine it dosnt start the problem. while driving and accelerating all of the sudden you...

i have a 2002 Tahoe 5.3 and let me start by saying that even tho i am mechanically inclined, i am not a mechanic. The problem is intermittent, the truck will start and run normally and even revving the engine it dosnt start the problem. while driving and accelerating all of the sudden you...

I have a 99 Tahoe with the 5.7 gas engine. This is apparently a split model year & mine is from the first half of the year. Here is my problem. When driving down the road, if I'm driving at a steady speed, I notice what I guess would be called hesitation. If I accelerate, it's nice & smooth...

I've got a friend with a 1999 Tahoe with a 5.7 equipped with the stock SFI system. About two weeks ago, the vehicle began to misfire and illuminated the CEL. It is throwing a p0300 Random Misfire code. We hooked it up to the computer with my scan tool and saw a lot of misfires. The misfire count...