20 Most Recent 2007 Chevrolet Avalanche LTZ - Page 7 Questions & Answers

yes it could ! this is part of the emission system on todays vehicles. if your sure you do not have a hole in a emission hose. just replace cap, the seal may be bad on cap. then drive it. light should go out if this is the only problem. good-day ! check all lines and hoses in system. remove cap completely and replace it. this may fix problem.

CHECK ALL FUSES.

if you have jumper cables look at the cables there should be plastic cover on the clamp one will be red one will be black the red one should hook to the positive + side of the battery the black side to the negitive - side of battery same way on car that is giving the jump

Higher is better, so, i wouldn't worry about it. If you had 10 lbs pressure, you could be concerned.

Get 20-30 feet of heavy chain. Attatch bumper to large tree. Floor the gas. :(

I think you may have disturbed the Wheel Speed
Sensors harness reaching in there