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Check engine light on misfires

Tiny
BILL E
  • MEMBER
  • 2001 HONDA CRV
  • 2.0L
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 100,000 MILES
Trouble codes p0302 p0303 p0304 p0300 p1456 p1399 gas recently replaced spark plugs look okay mil flashes very rough idle exhaust pipe and muffler replaced less than 1 month ago problem started 2 days ago was running fine previously
Saturday, March 28th, 2015 AT 3:06 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,070 POSTS
Hello,

All these codes have to do with engine misfiring it sounds like you have a blown head gasket between two cylinders but to be sure lets do a compression test to confirm the issue.

https://www.2carpros.com/articles/how-to-test-engine-compression

and this guide can help as well

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

Let us know what happens and please upload pictures or videos of the problem.

Cheers, Ken

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Thursday, February 22nd, 2018 AT 2:19 PM

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