SOURCE: check engine light on
THE VERY 1ST THING YOU DO IS HAVE THE SYSTEM FOR THE TROUBLE CODE THAT IS STORED INTO MENORY WHEN THE LIGHT COMES ON, THERE ARE 100'S OF POSSIABLE REASONS SO THE TROUBLE CODE TEST IS VITAL, YOU WILL NEED THE DEALER TO RUN THIS TEST.
SOURCE: I have a 2007 Chrysler
Hello Frybird.
The codes you have are engine misfires.
Code 300 is random misfire (could be any cylinder).
Code 302 is cylinder #2 misfire and 303 cylinder 3 misfire.
Most common causes are ignition issues.
Spark plugs, ignition wires/boots and ignition coils.
Next would be fuel issues such as fuel injectors.
Next would be emission components such as EGR valves.
Then in a worst case condition would be engine wear parts (valves, camshafts etc.)
The place to begin is ignition as this is a common failure on most cars.
If you need further assistance regarding your question please ask me here in a comment.
Thank you for using FixYa.
KL
SOURCE: What does Chrysler 300 check engine code P0573 mean?
Go here for an explanation:
http://engine-codes.com/p0573_chrysler.html
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