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Idle Problems

glh1968

New Member
Joined
October 4, 2009
Messages
5
Reaction score
0
City, State
Prineville, Oregon
Year, Model & Trim Level
1992 Explorer Sport
Ok Here we go,
When I Start the truck it sounds like it misfires but it goes away and every time I start it after that hot or cold it does it. Also when I tap on the gas it will rev up and stay there about 3 seconds about 1500rpm) then drop back to normal idle speed. No CEL. Heres what ive done recently.
New Plugs (All Looked OK)
New MAF
New O2 Sen
New FP Reg (Reading 29-32 was at 70psi causing CEL Hense the above repairs)

Im Stumped any help would be great
 
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