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V6 2002 mustang stumbles when accelerating?

1767 Views 3 Replies 3 Participants Last post by  mustanggkidd
I changed the spark plugs so i know its not that. Also i got a SCT trouble code reader and no codes where thrown so im lost?

It normally happens in low rpms also
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Basics: check for vacuum leaks, make sure your plug wires are properly seated, clean IAC valve....

How does it act in the higher rpm's? Any studder, lagging, pulsating.....
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