Catalytic converter efficiency failure.
P0305 is cylinder number five misfire detected.
CHAn9E code
Cylinder number four misfire.
Trouble code P0420 means: Catalyst Efficiency Below Normal (Bank 1)
Trouble code P0320 means:Ignition/distibutor engine speed input circuit malfunction Crank sensor
misfire cylinder #5
Dodge doesn't use two digit codes much anymore, it used to beCode 22: Coolant temperature sensor out of range
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Trouble code P0301 means:Cylinder 1 misfire detected
Code 11 is " No crank reference signal at PCM"
The error code p1193 on a 2001 Dodge Grand Caravan indicates that the intake air temperature sensor has failed. The sensor can be replaced by unbolting it, removing the wiring harness, and pulling it from the intake.