Q: Why does my Lexus have power surges between 1000 and 2000 rpm? on 1998 Lexus ES300

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The problem happens when the engine is warm or at least it is more apparent. Past 2000rpm the surges seem to disappear. It feels as though I am gently pumping the accelerator pedal. It may be more of power loss than a surge, it is difficult to tell.
(2) Answers
(5) Comments
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could be the begining of a misfire that happens only under load. i think i would start by ck'ing for misfires
If I start to accelorate or back off on the acelorator between 1000 and 2000rpm the surges seem to stop. It is only at a steady cruise that the surges happen. Would that be consistant with the beginning of a misfire?
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