What could be the cause of excessivly high idle speed between 1500 & 2000 rpm's engine is a 3.8 liter.
May 8, 2010 at 2:59 PM
1996 Ford Thunderbird High Idle
MYFORDS
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A vacuum leak, throttle position sensor, idle air control valve... can cause it. Has the check engine light come on?
May 14, 2010 at 3:15 AM
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