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Cylinder one and two misfire

Tiny
DANIEL SABO
  • MEMBER
  • 2000 NISSAN MAXIMA
  • 200,000 MILES
I have replaced the spark plugs, coil, and injector. I have done a compression test. They were good.
Wednesday, August 28th, 2019 AT 8:32 AM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

What was the compression?

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

Did you check for any vacuum leaks?

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Roy
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Wednesday, August 28th, 2019 AT 9:15 AM
Tiny
DANIEL SABO
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  • 3 POSTS
Compression was wet 150. I did check for vacuum leaks.
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Wednesday, August 28th, 2019 AT 10:47 AM
Tiny
ASEMASTER6371
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Do you have a noid light to be sure the PCM is commanding the injector to work?

Roy
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Wednesday, August 28th, 2019 AT 12:03 PM
Tiny
DANIEL SABO
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  • 3 POSTS
It works.
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Wednesday, August 28th, 2019 AT 2:23 PM
Tiny
ASEMASTER6371
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Okay, so it flashed when you cranked the engine. Correct?

Beyond that, you need to pull the valve cover and inspect for valve train damage.

Roy
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Wednesday, August 28th, 2019 AT 2:31 PM

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