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Can a faulty TPS (po120) cause an engine misfire (po300). If I replace the TPS will the problem subside?

enter code here

`TPS

Blockquote

(enter code herepo120) enter codeenter code here herecause an engine misfire`(po300)

Vehicle: 2002 Chevrolet impala 3.8L

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P0120 Throttle position sensor / switch "A" malfunction

P0300 Random misfire

Yes it can, your engine has a MAP (manifold absolute pressure) which can affect its performance and create a random misfire (p0300)

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