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Ford
Explorer
Engine
Symptoms
Idle Erratic
1991 Ford Explorer idle
1991 FORD EXPLORER
80,000 MILES • 6 CYL • 4WD • AUTOMATIC
RCWILSON312
MEMBER
1 POST
when at a light, it will idle ok, then the idle goes up and down, like it wants to race the car next to it, (humping the road)
Aug 29, 2009 at 3:41 PM
RASMATAZ
✓
Experienced Mechanic
75,988 POSTS
Check the idle air bypass valve, TPS and MAF sensors to include the EGR valve.
Aug 29, 2009 at 3:46 PM
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