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1996 explorer surging at idle

ben/sherry

Member
Joined
January 25, 2020
Messages
17
Reaction score
2
City, State
LOUISVILLE
Year, Model & Trim Level
1996 ford explorer
I have a 1996 Explorer 4.0L automatic 4x4 . the engines surges at idle when engine is warm and when in drive . I have changed spark plugs and wires , idle control valve , smoke tested for vacuum leaks twice , no leaks found , changed all 3 o2 sensors , that did improve some but surge is still there . could a sensor in transmission be bad? any help is appreciated !! thanks
 
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410Fortune

Truck Season!!
Staff member
Moderator
Joined
August 3, 2000
Messages
27,145
Reaction score
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City, State
NORTH IDAHO, 7B
Year, Model & Trim Level
B2 "Slightly" Modified
Callsign
FOURTEN
check fuel pressure
 
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