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Old 03 Sep 2012, 09:38 am
CREWZIN CREWZIN is offline
Obsessed Cruiser
 
Join Date: Sep 2001
Posts: 27,758
Default Re: 2001 PT Cruiser won't start. No Spark

P0320 is no reference signal from crankshaft position sensor detected during cranking.

P1684 does not indicate a problem; it's only a status, which indicates that the PCM memory has been cleared within the last 50 ignition cycles.

The crankshaft sensor (if you decide to replace it) is located right above the oil filter. Please use only genuine MOPAR replacement sensors as aftermarket sensors (although a little cheaper) have a tendency to not work or fail after a short time.

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