SPONSORED LINKS

Backfire on decel

Tiny
82BLZRMAN
  • MEMBER
  • CHEVROLET BLAZER
'82 Chevy K-blazer 350cid v8 4speed manual trans.
100k miles
Mods: headers/duel exhaust/MSD ignition/edelbrock intake-nonEGR
Problem: idles fine, accels fine, backfire when decel in gear
Friday, July 6th, 2007 AT 8:05 AM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
2 things will cuase it. 1.) Vacuum or mechanical advance not working.
2.) If you still have converters with air tubes and check valve on the manifild, one of the check valvles is NG, air tube has holes.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Friday, July 6th, 2007 AT 3:48 PM

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