Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
Looking for a scamatic for a 2008 Silverado wt 4.3 wire diagram for the air bag module, not getting communication to my scan tool....fuses are all good, can figure out why no communication...unless it's the module itself is bad
"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer." I have learned more by being wrong, than I have by being right.