1978 Ford Bronco back fire

Tiny
JACKDOG1978
  • MEMBER
  • 1978 FORD BRONCO
  • V8
  • 4WD
  • AUTOMATIC
  • 500 MILES
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

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,748 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?
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Tuesday, January 12th, 2010 AT 7:26 AM

Please login or register to post a reply.

Related Engine Backfire Content

How To Fix an Engine Backfire
VIDEO
How To Fix an Engine Backfire
Instructional repair video
Backfire Repair
GUIDE
Backfire Repair
When your engine backfires it can do so in one of two ways. First and the most common way is when the engine is running a small explosion of unburnt fuel is ignited inside...
VIEW MORE

Sponsored links