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The car backfire when I reduce speed while driving and RPM reaches 1500

Tiny
KEYWEST500
  • MEMBER
  • 2001 NISSAN MAXIMA
  • 110,000 MILES
2001 nissan maxima has backfire when rpm decline to 1500 when reducing speed while driving
Wednesday, July 18th, 2012 AT 11:52 PM

4 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
How does the car run? Is the check engine light on? If it is, what is the code?

When was the last time you had a tune up?

Roy
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Wednesday, July 18th, 2012 AT 11:54 PM
Tiny
KEYWEST500
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  • 3 POSTS
The car runs fine, excellent power, no check engine light, I had it tuned up 4 month ago, but still backfire not all the time. Thank for your care
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Thursday, July 19th, 2012 AT 12:50 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
My concern is the backfiring in the intake may damage the mass air flow sensor. It does not like sudden pressure and fire. The timing could be retarded causing the backfiring as well.

Roy
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Thursday, July 19th, 2012 AT 1:33 AM
Tiny
KEYWEST500
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  • 3 POSTS
I did not understand the first part of your reply. The backfire happens in the exhaust. I will check the timing.
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Thursday, July 19th, 2012 AT 1:46 AM

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