2003 Hummer H2 "check engine" Questions

Check engine and service traction control light on in 3rd limp mode Check engine light on , check DTC'S - diagnostic trouble codes ! Check Engine Light On If not familiar with this take it to a ASE ...

...check engine light on, when power connection made to silanoid . instant fast opening and closeing with clicking of silanoid,light stayed on. disconnected battery for 1/2 hr,light went and stayes off ...

Check engine light, oil pressure goes up and down, and when I start the engine I hear a lot of noise on the left side of the engine that lasts for a minute. I'm thinking the oil pump is the problem. ...

...Check engine light flashes on and off and the car loses power when this occurs generally only happens up a long or steep hill or at a higher speed. When the check engine light is flashing that ...

reset the engine immobilizer on a 2003 hummer h2 the engine turns over but will not start checked fuses and kept trying to start it Have you had the crankcase temp sensor checked. If this sensor fails

low power. There may be something shorted too, keep your eye on power levels with a tester....when you switch off, check....then check again next day "before" you start engine. Look for drop below 12v

...engine power or something to that effect check for sticking valves also check cooling system and see if compression is leaking into it, just take of radiator cap crank engine over and see if any ...

...check engine light. disconnect battery...turn lights on and off.....remove a fuse....please help. thanks jennifer You would have to use a OBDII scanner to clear the light. There is a connector under ...

check engine light on for abut 2 weeks, I checked fuse box and no burned out fuse, all OK. what could it be wrong? what shall I do about it? Can I fix it myself? Can anyone tell me what should I do to

check engine light is flashing, and engine seems o.k. but seems like transmission slips before shifting. or hesitates to shift. I checked the engine oil and the transmission fluid. they are both o.k. ...