Quote:
Originally Posted by turboSR5
I'm not too familiar with the V6 engines but your symptoms sound alot like the TPS (Throttle Position Sesnor) is bad or out of adjustment.
Edit: Have you checked for codes?
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Backfiring on deceleration is a good indication of a TPS (Throttle position sensor) problem. There was just a great post on adjusting it, and the dashpot that slows the throttle closing to prevent backfiring. TPS issues also cause shifting issues in automatic 4Runners. The post is all about this problem.
Also see the article after (also linked from the post):
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22RE Throttle Position Question
Toyota 22RE Throttle Position Sensor
