Question about 2007 Dodge Caliber SXT Sport Hatchback

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07 caliber p0420

86xxx miles no driveability issues,cleared code came back on in 10 miles,need to sell car but not like this.

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Might still be under warranty. P0420 is a catalytic converter efficiency code. Usually this means the catalytic converter is no longer able to do it's job. The computer knows when it is failing and sets this code.

Check with your dealer to see if the catalytic converter might still be covered as it is an emissions component.

Posted on Jan 14, 2010

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Print


CONTINUOUS MEMORY CODES

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---------

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I replaced the sensor and cleared the code and the light came back on any idea what else could be wrong?


You ask a question,obviously never read it.

What vehicle are we talking about?
What were the problems or driveability issues?
What was the code?
Why did you change a sensor?

Codes don't tell you what is wrong or what to change.

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Those codes seem rather odd to have together. If the cam sensor was bad I would expect some driveability issues or possibly even issues with getting the vehicle started. The EGR could cause some idle issues.

I just cant get past that those codes seem so unrelated, they are for two different systems. If you are not experiencing any driveablity issues, I would clear the codes with either a scan tool or just disconnect the battery for a few minutes. If they come back then yes, I would have it looked at. You could try replacing the Cam position sensor, and see if that helps, but the EGR is a bit more challenging and would be a more costly item to replace.

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