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- 1st Generation S-series (1983-1994) Tech (https://blazerforum.com/forum/1st-generation-s-series-1983-1994-tech-40/)

- - backfiring (https://blazerforum.com/forum/1st-generation-s-series-1983-1994-tech-40/backfiring-69958/)

Gary99

04-15-2012 06:26 PM

backfiring

Have a 99 Blazer V6 4x4 and now when I first pull out in the morning I am getting a popping backfiring noise thru the throttle body. The car feels like its being held back then I get this noise a few times. After that the car runs ok.
Any body have any ideas as to what this could be? I could really use the advise
Thanks

50lb_cat

04-15-2012 09:29 PM

Backfiring is usually a timing or ignition problem. You can also try disconnecting the maf sensor to see if it helps, if it does it needs cleaned. Have you done a tune up on it?

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