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kospotts

04-13-2011, 04:49 PM

01 venture pops (backfires) ? but only when cold. Recently repalced IAC valve and cleaned the MAF. After warming up it runs fine. Took to shop and engine analisys showed that it was running fine. Need some guidance in where to look next. Thanks.

lesterl

04-14-2011, 10:28 PM

Unplug the MAF, does the popping cold stop?

Fuel pressure?

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