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1998 Ford Contour

Question: Catalyst efficiency

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mrray, 2.5L V6, Marmora, NJ, May 09, 2009, 05:18

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Check Engine light on and I plugged in my OBD tool and it displayed code P0420 CATALYST EFFICIENCY BELOW THRESHOLD (Bank 1)The problem is?? Any help greatly appreciated!

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Answer #1

fernando May 13, 2009, 22:35

Master

There is an article in the Auto Repair Encyclopedia about the OBD Code P0420
http://repairpal.com/OBD-Code-P0420

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1998 Ford Contour

Question: Catalyst efficiency

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