SOLVED: My car surges at idle in drive position

Detail: Engine running at idle and gear shift at park car runs good now gear shift moves to drive engine begins to surge that is rise and fall of rpm to a point after repeating this motion for about 5 to 6 times it will then cut off the engine. it drives ok only no lack of accleration. please help
Detail Question SOLVED: My car surges at idle in drive position

Solution: Clean the airflow sensor. There is a special spray to do this. DO NOT use carburetor cleaner. It will damage the sensor. , Hi, a 6ya Mechanic can help you resolve that issue over the phone in a minute or two. Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US. click here to Talk to a Mechanic (only for users in the US for now) and get all the help you need. Goodluck! , Clean the EGR valve and make sure it has current. replace with the exact part number and for your particular car if you have to replace it. But first check the idle position sensor located near the fuel injector system at the top. It has a plug that you remove. , check your air mass meter or map sensor , try adding some transmition fluid to the transmition . or have it towed to a repair shop , It sounds like your idle air control valve could be going out on you.  The extra stress from being in gear can cause the car to stall out if the IAC valve isn't opperating properly.  The IAC is attached to the throttle body and is normally held on by two screws.  IAC valves are relatively cheap from AutoZone and easy to replace.  That would be my best guess based on your description.  Good luck and let me know if you have any other questions.  Thanks for an honest rating and for using FixYa! , do you have a check engine light on? sounds like a bad TPS sensor.

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