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Car still backfires through intake?

Tiny
AKAUTO REPAIR
  • MEMBER
  • 1996 CHEVROLET BERETTA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
First of all I changed the wires and plugs, car still backfires through intake. I'm wondering what the problem maybe? Can you get back to me soon.
Thursday, December 13th, 2007 AT 3:06 PM

2 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Check your ignition timing and your exhaust system to make sure it is not plugged
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Friday, March 21st, 2008 AT 5:32 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
To me it sounds like the camshaft is flat on one of its lobes, I would remove the valve covers and disable the fuel pump. Then crank the engine over while watching the valve train, look fo the rocker that is moving very little, here is a gide that can help as well.

https://www.2carpros.com/articles/engine-backfires-while-running

Please go over this guide and get back to us.

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Thursday, September 26th, 2024 AT 4:35 PM

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