Question about 2001 Pontiac Aztek

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My car is a aztec pontiac 2001 and the service engine soon light is on. the code is PO420 but i don't know where to start. what i can do? please help me.

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  • Anonymous Mar 13, 2014

    i need to know where sparkplug wires go on coil bank on 2001 pontiac aztec

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Hi, I look for Aztek information and I've just seen your problem on fixya.com

I give you an adress that will probably helful.
Have a nice day

http://www.obd-codes.com/p0420

Posted on Jul 30, 2008

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Posted on Jan 02, 2017

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