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P0340 Error code on 2003 PT Cruiser

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Old 06 Sep 2012, 05:25 pm
Fresh Cruiser
Join Date: Jun 2008
Posts: 13
Default P0340 Error code on 2003 PT Cruiser


I have a 2003 PT Cruiser, Auto, 75000 miles.

I am getting a P0340 error code on my PT cruiser.
The check engine light was on for three days, but them when off for ~ 2 weeks.
It came back on yesterday, but when back off today.

The cars runs good most of the time. Sometime the car have problems with it idle when the AC is running when I am at a stop light. ~ 10% of the time.

Any ideals on what the problem can be?
Should I replace the CAM sensor?

Thank You

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Old 06 Sep 2012, 06:02 pm
Obsessed Cruiser
Join Date: Sep 2001
Posts: 27,747
Default Re: P0340 Error code on 2003 PT Cruiser


That is the code for the Camshaft sensor and either it could be going bad or maybe the wiring harness may have a short. If you do your own maintenance, take a good look at the harness for any wear and tear especially around the back of the engine.

Your ruff engine running with the A/C at a stop light might be because the radiator fan is running properly. In the morning when everything is cool, start the car, turn on the A/C and see if the fan is running. It should be. Every time the A/C is engaged, the fan should be ON. If not, one speed of the fan could be burned out. Common problem with the PT.
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