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Engine Idles rough when cold !!!!

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Old 09-24-2015, 07:55 PM
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Charlie2003
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Engine Idles rough when cold !!!!
2003 F250 5.4 V8 Gas. Engine Idles rough when cold and smooths out when it warms up. Any help on this ?
 
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Old 09-25-2015, 07:02 AM
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has the throttle body been CLEANED? also check for cracked vacuum hoses... and a stuck PCV valve... or a stuck EGR valve.

is the check engine light ON...?
 
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