Questions & Answers for: 99 chevy silverado check engine

...99 Chevy Silverado 4.3L 167000 miles, and after gunning it on the Highway I would get check engine light but it only happened every 6 months. I run seafoam Injector/fuel system cleaner through and ...

99 Chevy truck check engine light running lean on fuel 99 chevy truck has just recently been fixed by a mechanic and had the oxygen sensor, head gasket, tune up, now the check engine light is on again

99 Chevy 4.3 2 cylinders don't fire (all cylinders have spark) Engine runs very rough and has very little power. I bought new plugs and wires. All have good spark. Did compression check 160 on all 6. ...

...99 chevy silverado and the service engine soon light just started flashing, it also started running ruff when I'm at a stop sign, almost like it's chugging. Any suggestions? Check the Mass airflow ...

...99 silverado z 71 with the 5.3 engine with 235.000 miles we had a problem with starting it when it was warm found out it was a bad fuel pressure regulator replaced it now it starts all the time but ...

99 chevy silverado and it has lost h.p for some reson i can not find the problem please help. It is really hard to say without all the information. Usually there is something simple that causes a loss

...99 Chevy Silverado with the 4.8L and 232000 miles, the dealer says that this is a common problem and there is no problem with it. They also offered to knock $300 off the price. I am able to repair ...

...99 chevy silverado z71 located ours wont shift right and we lost reverse and someone said try the silenode first we can drive the truck just isnt shifting right and it wont go in reverse the tow haul ...

99 silverado 1500 4.3 engine won't start Chevy Silverado, 4.3 liter, 2wd. It won't start Coil seems fine, checked plugs randomly and getting good ... 2005 Chevrolet Silverado Logo ... the ...

...99' Chevy Silverado Z71? It doesn't shift like it's supposed to. It doesn't want to shift into third, and then when it finally does shift to third, it doesn't want to shift into overdrive. So far, we ...