Idle speed change after hwy run
Just got a used 04 Sebring touring convert a week ago and it has been running perfectly. I took it out on the hwy for a run to see how it handles high speed and it tracked straight and felt solid at 65.
When I got back and pulled into the parking lot it stalled. It did start up right away so I drove it around a bit more and found that my rock steady idle of around 1100 was now fluctuating between 1000 and 500 and running a bit rough. What could have happened to make this change in idle speed and making it run rougher? |
An idle of 1100 when cold is fine but it should be idling around 600 in drive when warmed up. It should be slightly higher when the A/C is on but not 1100. It's possible your IAC valve is malfunctioning. It may have some carbon buildup. It can be removed and cleaned with some carburetor cleaner.
John |
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