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Idle problems
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
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i would first check Throttle position sensor, cracked vacuum lines, or a loose hose clamp. does the vehicle throw codes? if so which ones?
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