Ford P Codes (Powertrain) P0400 - P0499 P0420

Browse Ford P Codes (Powertrain) P0400 - P0499 P0420 questions and answers. Choose a question that matches your symptoms.

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P0420

1997 FORD TAURUS

I Have A 1997 Ford Taurus. The Check Engine Light Is On In The Car. I Have Recently Replaced Both Downstream O2 Sensors And Reset The Check...

1 ANSWER

1 IMAGE

Asked by dodgeram150

1996 FORD TAURUS

Gave Car Tune Up And Found Vacuum Leak,engine Light Still Comes On,code 420,430

1 ANSWER

Asked by mollie bennett

1996 FORD EXPLORER

I Know This Code Involves The Catalytic Converter.. I Had My Whole Muffler Replaced Just A Couple Of Years Ago.. Do I Really Have To...

4 ANSWERS

Asked by VCOLLINS

1996 FORD F-150

Code P0420 Catalyst System Efficiency Below Threshold (bank 1 ). How Do I Correct This Problem

1 ANSWER

Asked by gwakaluk

1996 FORD CONTOUR

I've Got A 96 Contour That Will Hesitate When You Press The Accelerator Until It Gets Warmed Up, Then Runs Fine. The Check Engine Light Was...

1 ANSWER

Asked by hotroddavem

FORD TAURUS

Engine Mechanical Problem 2004 Ford Taurus 6 Cyl Front Wheel Drive Automatic I Have A 2004 Ford Taurus Se Sedan. My Check-engine...

3 ANSWERS

Asked by peteoo

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