Question about 1995 Chevrolet Blazer

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My blazer runs good until gets hot and starts sputtering and backfireing

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  • Chevrolet Master
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I have read that if the TPS is bad and you unplug it and the vehicle runs better then it could be the TPS.( throttle position sensor ). could also be low fuel pressure. also check or replace coolant tempurature sensor. if the coolant sensor sends wrong info to pcm when hot ,then it will throw the timing and etc. off. that could be why it backfires when warmed up. make sure fuel filter is ok!! have a good day !!

Posted on Mar 27, 2011

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Posted on Jan 02, 2017

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