Chevrolet Blazer Repair Question
Asked on July 6, 2007
Backfire on decel
'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
100k miles
Mods: headers/duel exhaust/MSD ignition/edelbrock intake-nonEGR
Problem: idles fine, accels fine, backfire when decel in gear
Asked by 82blzrmanAnswer
Replied on July 6, 2007
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...