2003 GMC Sierra 1500 "engine lights" Questions

2005 gmc savana check engine light The information below was complied by me, it explains what causes the check engine light to come on and the process of finding the cause.When the Check Engine light

The "tighten fuel cap" message comes on the dash. Followed shortly by the check engine light coming on. Used and engine analyzer to clear the check engine light. Put light coating of petroleum jelly ...

gas cap loose light came on. then engine light stays on the gas cap being loose will trigger the engine light after you tighten the cap if the engine light still doesnt go off you can go to your local

engine lights up ,what can cause this , time to change oil? Its probably the check engine light - a sign that something is going wrong with the car. Take it to a local auto parts store and get them to

reduced engine performance i have a 1998 gmc sierra it has lost its power since i bought it 1 yr. ago Is your "Check Engine" or "Service Engine" light on?  Scan your onboard computer system for ...

1994 gmc 1500 engine light on when cold and wont shift out of 1st (auto tran) light goes off after warming up and shifts fine.have to shut truck off and start again to get engine light off check fluid

i washed the engine and when i started it the engine light came on and ihe display said reduced engine speed and starts running ruff and then dies but it will restart after a while it ran good before ...

...and cranked up the light is out till the passing gear is kicked in again what kind of light,check engine, abs,traction control? usually if the check engine light or service engine soon light comes ...

light keeps flashing and engine runs ruff at idle I assume the light your talking about is the check engine light. Stop at an Auto Zone or Advance Auto parts store and ask them to read the fault codes

pickup shakes shows stablitrak is off also shows stablitrak control needs service and engine light flashes and auto parts store shows from the computer misfire on cylinder 6 truck has 150,000 never ...