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Chrysler Master
14,092 Answers
- Posted on Nov 25, 2010
Re: By winodj_d on Nov 23, 2010
the analyze of the car...
CODE PO420 - CATALYTIC EFFICIENCY BELOW NORMAL BANK I POSSIBLE CAUSES - BASE ENGINE PROBLEMS HIGH COOLANT OR ENGINE OIL CONSUMPTION- CATALYTIC CONVERTER DAMAGED OR HAS FAILED - AIR LEAKS IN AT THE EXHAUST MANIFOLD OR EXHAUST PIPES -YOU NEED A CODE SCANNER TO ERASE CODE.
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