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woodytz
01-21-2009, 04:06 PM
Hi guys , i have a 2003 model 4.4, the problem is the idle,its low aprrox 450/500 rpm, it does,nt return to idle as it should,ie,it drops from 1000 rpm,and drops low 350 rpm ish and then bounces up, any ideas would be welcome.

cheers Woody

TCongletonRovers
01-29-2009, 01:33 PM
i would first check Throttle position sensor, cracked vacuum lines, or a loose hose clamp. does the vehicle throw codes? if so which ones?