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    2002 Protege 2.0 P0421, P0455 and misfire

    A few weeks ago while checking with an OBDII adapter I was getting an errorMIL message of "errorMIL: on (2) Spark ignition, DTC's P0421- Warm up catalyst Efficiency below threshold, and P0455 Evap Emission System leak (Large Leak). Since i recently purchased my protege, i wasn't sure the last...
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