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Message: <blockquote data-quote="Lee12609" data-source="post: 761159" data-attributes="member: 12415">Just to clear something up. The TPS on our cars do not require adjusting. Everytime the ignition is turned on the ecu notes the voltage with the throttle shut, and learns that as idle tps voltage until the key is off again.So some people might say they cured a problem doing this but it was unrelated, or coincidence as nothing is accomplished.Only thing that would make a difference is if the throttle stop and tps are extremely out of adjustment and the tps reads Max voltage before WOT, and there is little chance of that ever happening.Same goes for throttle stop adjustment for idle speed, the ecu will note the increase in idle speed and lower the iac counts, so no idle speed change will happen.</blockquote>