1999 Chevrolet Silverado 1500 Q&A
1999 Chevrolet Silverado 1500 Question: check engine light
There are many reasons why the check engine light comes on. Using a scanner is needed to pull the diagnostic code, and from there the system will have to be diagnosed. - rdude135
check fuel pressure bad fuel pump - Visitor
i installed a cold air intake on my 2007 silverado new body style 1500. check engine light is on and have diagnostic codes. system too lean. the filter is huge. If i installed a smaller...
One or both secondary air injection check valves may become restricted causing poor air flow re...
About 35000 miles, check engine light came on. Dealership repaired. Stated a sensor on top of g...