How to correct a high idle

Asked by Feb 26, 2017 at 07:13 PM about the 2001 Chrysler Sebring Limited Convertible

Question type: Maintenance & Repair

I have a 2001 Sebring convertable 2.7l.  Finally fixed a fuel injector/fuel rail problem and when I started the car the rpms went to 3000.  Cleaned the throttle position sensor and it came down a bit.  Drops when put in gear, but idles at 2500 rpm.  Any suggestions?

2 Answers

77,745

Have it scanned for any trouble codes and write them down. Could still have something to do with the throttle positioning sensor, or there could be a vacuum leak.

15

It sounds like you may have a bad vacuum leak. The high engine speed would be due to the computer trying to keep the engine from stalling by increasing the fuel to match the air coming in. I would carefully check any gaskets, o-rings, etc. that may have been disturbed or removed when you fixed the fuel injection system. Try taking a spray bottle with water and spraying around the injectors and intake manifold area while the engine is running. If the engine speed changes or you hear a sucking sound, the area you just sprayed would be the place to look. Good luck!

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