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What causes it to backfire through the intake.

Tiny
ANONYMOUS
  • MEMBER
  • 1989 GMC C2500
What causes it to backfire through the intake and exhaust
Sunday, October 21st, 2012 AT 6:04 PM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Spark at the wrong time.

Could be cap or rotor. Back in the days, it could also be a failed camshaft.

Have it checked to confirm

Roy
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Sunday, October 21st, 2012 AT 6:06 PM
Tiny
IRONANIMAL82
  • MEMBER
  • 1 POST
I have a 1993 Chevy s10 2.5 le iter. My mufler exploded. It runs rich. It. Back. I?N in 4th and 5th. Gear loosesi loose significant power on small inclines. My pre ignition check engine. Works)s but doesn't warn! Me of any problems
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Saturday, November 10th, 2012 AT 12:47 PM

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