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2000 Volkswagen Passat Question: will not pass smog new cats but still have dtc's.

 

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james3663, Guerneville, CA, April 03, 2014, 06:59
 Rookie

did have p0420, p0421 but now p1338 and p1113

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  • Answer #1

    April 03, 2014, 14:28
     Journeyman

    For bank one "meaning the cylinder bank with #1 cylinder", have oxygen sensors tested for correct heater function. Also have crankshaft/camshaft position sensors tested by a qualified mechanic.

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