Forum: 4.0 SOHC / 4.0 OHV Tech
09-02-2013, 02:34 PM
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Replies: 15
Views: 6,804
Re: P04020 Engine Code
Excellent information I was looking for something a little more simplified, I will check other threads on this PO420 code. I was just wondering if an ill running vehicle (bad plugs and wires) could...
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Forum: General Ford Ranger Discussion
08-27-2013, 07:38 AM
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Replies: 15,407
Views: 656,192
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