ENGINE IDLE ERRATIC

In Park, Rpms Run From 750 To As High As 1,400. Varies Back And Forth Within That Range Every 20-30 Seconds. Seems A Little More Intense...

My Car Is Acting Like It Needs An Inhaler Or Something! The Idling Thingy Keeps Jumping. The Spark Plugs Have Been Changed The Air Filter...

Cooling Fan Comes On Right From The Start Cold After Car Warms Up Idle Surge Up And Down Never Stops.

I Finally Got A New Car, And Something Started Happening Today. When I’m Driving It Does Fine, But When I Stop At A Light Or A Stop Sign...

While In Park, My Car Starts To Rev Fluctuating Between 1000-2000 Rpm, And Shuts Off In About 8 Seconds Of Doing This. It Also Revs...

I Received A Call About 6pm Today From A Fellow Engineer To Come Over And Check A Car And Rectify The Problem. I Asked The Car Owner As Well...

Sometime That Idle Surges Up And Down When I Put The Gas To It. Now Right Now It Seems To Be Working Fine At This Moment It Seems To Be...

I Changed Maf, O2 Sensor, Idle Control Solenoid, Plugs, Compression Test. Vac Test Etc. It Has An Erratic Idle Problem. Runs Great...