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ford 2002 code p0430

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I HAVE A 2002 ford cv with OBD reading code P430
Is a good Idea to change the oxygen sensor first, before replacing the expensive c.c.?
Thank you

Vehicle: 2002, Ford, cv, 8cyl

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sometimes the bad catalystic converter will damage the oxygen sensor, you can check the resistance of the oxygen sensor and see if its bad

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