Reset timing checked all vacum lines put new spark plug wires on engine backfires under load
Thursday, January 7th, 2010 AT 10:51 AM
1 Reply
JACOBANDNICKOLAS
MECHANIC
109,885 POSTS
Have you checked engine compression? You may have a burnt valve. Also, are you sure you are getting a good hot spark, and where does it backfire from the exhaust or intake?