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87 Ford Ranger XLT 2.9 v6At idle engine RPM fluctuates. Why?

 
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Customer Question

87 Ford Ranger XLT 2.9 v6
At idle engine RPM fluctuates. Why?

 

Country: United States
Make: Ford
Model: Ranger
Year: 1987
Engine: 2.9

Already Tried:
Nothing

Submitted: 674 days and 12 hours ago.
Category: Ford
Value: $24
Status: CLOSED
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Expert:  Steve replied 674 days and 4 hours ago.


Steve :

Hello and Welcome to Justanswer, My name is XXXXX XXX I am here to try and assist your with your question

Steve :

the curb idle is to low from sludge build up on the throttle plates and idle air control motor

3:09 AM

buy carb cleaner and get a old toothbrush and clean the throtle body plate sludge

3:10 AM

remove the idle air control motor and spray some into the iac valve but quickly remove it and blow it out cause the valve to go bad if left i for to long

 
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