i have backfire on my 300zx non turbo..

1990 NISSAN 300ZX
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TRYINGTOFIXTHIS?
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i used the scanner to see whats going on n it tells me to change oxygen sensor so i did it but the car stills backfiring?? the checked the timing n is working perfectly.... what should i do??
Jun 27, 2012 at 10:26 PM
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RASMATAZ
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Go to this walk thru link: https://www.2carpros.com/articles/engine-backfires-while-running
Jun 27, 2012 at 10:33 PM
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TRYINGTOFIXTHIS?
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thanks for the link very helpful
Jul 15, 2012 at 12:22 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Did you find the problem?
Jul 15, 2012 at 4:01 AM
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