3.0 rough idle

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Dec 14, 2010 | 05:28 PM

durst

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Joined: Dec 2009

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From: illinois

3.0 rough idle

i have an 89 xtra cab w/ 3.0 v6. idles very rough when cold after it warms up, in 5 or so minutes it idles fine. any suggestions.

Dec 14, 2010 | 05:40 PM

RBX

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From: Bloodymore

Codes?
Timing set correct?
TPS within spec?
Vacuum leaks?

Cold Start Timer not shutting off? I am dealing with a bad timer now, but I haven't been able to test it yet. I don't know if the timer would go bad and keep telling the Cold Start Injector to fire.