weird Idle

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weird Idle
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adadumb22
+1y
My truck Was running for a while (parked)just Idling, And then the rpms started going up and down It stopped when I put it in 1st. Anyone else run into this with the stock 4 Cyl?
thebeaumartin's avatar
thebeaumartin
+1y
it sounds like a vaccum leak
thebeaumartin's avatar
thebeaumartin
+1y
this truck is FI? if so it could also be an idle control valve

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