Any ideal ?? 97 silverado 4.3 vortec shut off after a loud backfire while driving . It cranks over but will not start now. I checked and it has spark .

Asked by May 11, 2015 at 10:09 AM

Question type: Maintenance & Repair

1 Answer


Run a compression test. The backfire suggests that it jumped timing. If you have low or no compression on all cylinders, it's jumped timing. HTH. -Jim

Best Answer

Your Answer

Add photo

Related Questions


Search Maintenance & Repair Questions

Maintenance & Repair Experts

#1 Tom Demyan
Tom Demyan
Reputation 171,780
#2 dandyoun
Reputation 92,570
#3 tenspeed
Reputation 74,710
View All

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.