I just pulled over. My Saturn has code p0300 and p0420. The car looses powrt and shakes. Will it cut off. Is this an ER?

Arnita Johnson

Asked by Sep 23, 2015 at 07:43 PM about the 2002 Saturn L-Series 4 Dr L200 Sedan

Question type: Maintenance & Repair

Midas said its randomly misfiring across
entire engine. 2002 L200. Afraid to drive but
have no choice. I'm not a mechanic and
have very little $$. Midas says repair may
be more than car worth but I can't buy new

6 Answers


P0300 really is a generic code for misfire, non-specific. Just tells you what you already know, your car is running like crap. P0420 is EGR, Exhaust Gas Recirculation .... an emissions device that cuts down NoX. That should no way no how cost more than the value of a 2002 Saturn, and I don't even know the value. Gimme a minute to see what an EGR repair would cost

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1 out of 1 people think this is helpful.

About $400 http://www.napaautocare.com/estimator.aspx#

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Best Answer
Arnita Johnson

Thank you so much.

1 out of 1 people think this is helpful.

I would run a can of SeaFoam through it first to clean up the injectors, then clear the codes and drive it too see if the codes come back.

1 out of 1 people think this is helpful.

Take tennisshoes advice. The man knows his stuff.

2 out of 2 people think this is helpful.

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