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2001 PT cruiser error code P1684/0420

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Old 25 Nov 2013, 01:33 pm
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Default 2001 PT cruiser error code P1684/0420

hi there, i have a 2001 PT cruiser cruising edition i believe. stick shift.
recently had to error codes come up P1684 which is a battery disconnect issue??? and P0420 catalytic converter, i am not sure if that can be fixed by replacing the O2 sensors first or just replacing the cat converter all at once ??? need some direction. i am handy and dont feel like dropping wads of cahs right now at a mechanic.
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Old 25 Nov 2013, 03:11 pm
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Join Date: Sep 2001
Posts: 27,758
Default Re: 2001 PT cruiser error code P1684/0420

Here's a link on troubleshooting the P0420 fault code...

Diagnose P0420 Catalytic Coverter Code

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