2005 Chevrolet Avalanche "check light" Questions

...check engine light To reset a check engine light you have two options. You can use an OBD II scanner(They can do this for you at most places like autozone, oriellys, napa for free. You just go in and ...

...check engine light is now on. Any idea what this could be Does the vehicle start an run ? Check engine light on , codes are stored , hook up scan tool an check codes . GM had issues with instrument ...

...check engine light that OnStar diagnosed as PO442. Said I should wait 7 days and if still have check engine light, take it in for service. Truck is running fine with no apparent problems (other than ...

...light still goes on and off. check your alternator tighten the connections on the battery and check battery housing is secure it may be as simple as just a little loose and needs a tighten  if ...

...have all other lights such as fog lights, signals, brakes, etc., just not the main lights. I have checked all fuses, bought a new headlight switch, and looked for any loose wiring at the steering ...

Check engine light keeps coming on. Its giving me a code p0171. I put a new (Jegs) Mass Air Flow sensor in last year. I just clean it and the K&N air filter two weeks ago. Check engine light came back

check engine light came on after direction to close fuel cap lite still on i retighten fuel cap but light is still on possible bad fuel i had just put fuel in when this occured Since the check engine ...

...check engine light is on and when i open my gas cover i hear air,would that make the light come on or is it a sensor that i need?If it is a sensor where would it be located on the truck,and do they ...

...check for one at a time the light to light up if so them test with the high beam then try wiggling the wire s as well before purchasing new bulbs as well the switch may be bad ? possibly corroded ...

...light check engine light,fuel gauge not working,oil change message indicator shows 0 zero oil life remainingg Check for fuses and fusible links that may be tripped or blown. Next, check for grounding ...