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I would say if you have a sohc v6 4l engine than the iac - idle air control value is the problem. i fixed mine by cleaning it with cab / electric cleaner. that was for stalling when starting in the morning or cooler temp.
I still have lumpy idle but i hear that the upper intake and lower intake gaskets are prone to leaking - i replaced them but did not fix my lumpy idle.
Other people suggest fuel filter.
I fixed my stalling problem but still have a lumpy ldle.
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∙ 12y ago
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