WHAT CAUSES IT TO BACKFIRE THROUGH THE INTAKE ...

  • Tiny
  • Anonymous
  • 1989 GMC C2500

What causes it to backfire through the intake and exhaust

Sunday, October 21st, 2012 AT 6:04 PM

2 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,551 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

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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