hesitation

Hello All, I'm having a problem on Bank2 side, passenger, all plugs show rich/fouled and O2 is black. Now this started when I ran through some water, hesitation started, loss of power. Tested, plugs, coils, changed coil wires, check cylinder pressure, everything good. ran Seafoam, octane...

Hello all. I have a 1996 Tahoe 4x4. Having 'random misfire' codes. Replaced everything in ignition system (from the top down to the crank pos. sensor) except cam positioning sensor. Tahoe runs good when it runs good. When its bad its bad. Any help would be appreciated. Running out of ideas. BTW...

Ok, I know there are topics on here about this and I just want some advise. I have a 1994 GMC Yukon 2dr with the 5.7 350. About 7 months ago I took it to the shop because it was hesitating between 1500 and 1700 RPM will going up hill or when it felt like it had a load. The shop said that the...

I have a 99 Tahoe that I purchased in May. Right from the start it had an issue with intermittent bucking, mostly under the following conditions - after upshift from 3 to 4 especially under load, at highway speeds when letting off the throttle and then trying to resume acceleration, and...