Mechanics

HOW CAN I CHECK THE IDLE AIR CONTROL (IAC) SOLENOID IN MY ?

1998 Ford Ranger • 260,000 miles

My truck has been idling very rough this year, recently my "98 ranger has been stalling at most every stop light or sign. It is a manual 5 speed ~ 2.5L engine. I have been working on this on and off for the last 6 months. I changed all of the spark plugs & spark plug wires. What advice can you give me to remedy this? Thank you for taking the time to help.
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Skaimduane@yahoo.com
November 22, 2011.



The iac needs removed. Have a helper turn the key from off to on. There is a pintel valve that should move on the iac. Also, check for vacuum leaks.