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Dan, Technician
Category: Saturn
Satisfied Customers: 24574
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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I have a 06 Saturn ion 2.2l, has a random multiple misfire

Customer Question

I have a 06 Saturn ion 2.2l, has a random multiple misfire code , p303, was wondering about troubleshooting process to properly diagnose ignition system? I do have a creader 6001 scanner also
Submitted: 2 months ago.
Category: Saturn
Expert:  Dan replied 2 months ago.

Hello, my name is ***** ***** I'm here to help get your problem solved.

Expert:  Dan replied 2 months ago.

Has anything been replaced? Does check engine light flash while driving?

Customer: replied 2 months ago.
it flashes, also stays steady lit in park and nothing's been replaced
Expert:  Dan replied 2 months ago.

When light flashes that means ignition problem. With the type of coil setup this vehicle has it is hard to properly test. I would recommend replacing #3 spark plug to see if that helps, if not replace coil assembly. Here are replacement instructions, let me know if you have questions. Thanks.


Customer: replied 2 months ago.
Should I get the one with or without ignition
Expert:  Dan replied 2 months ago.

You can get one without ignition module, ignition module wouldn't effect just 1 cylinder.

Customer: replied 2 months ago.
Ok I'll let you know thanks
Expert:  Dan replied 2 months ago.

Sounds good, let me know. Thanks again and have a good weekend.

Customer: replied 2 months ago.
Can I check it with the scanner I have on graph to make sure? What do I look for
Expert:  Dan replied 2 months ago.

No you cant, if anything you could use a spark tester and check to see if cylinder 3 coil lead is putting out good spark.