Questions & Answers for: 2003 gmc sierra 1500 spark

what is spark plug gap for 2003 gmc sierra 1500 60 thousands spark plug gap for 2002 gmc serria 1500 V-8

GMC Sierra 1500 Go to autozone.com and put in your vehicle and engine size then there is a page that comes up that says lookup parts off to the left is hypertext to specs click on that and then tuneup

2003 gmc sierra 4.3 was losing spark at idle, tested all modules and cks cms replaced cms in dist still nothing moved through ign module, cks changed as well as coil. still no spaqrk checked fuses and

...2003 gmc sierra 1500 hd 6 litre? hello there: the gap for you're gmc should 0.45 hope this is help full Also call the dealer with your VIN number if you are having electrica oproblems. See ELECTRICAL ...