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P0404 Diagnostic Trouble Code Discussion for March 2015

EGR Position Sensor Performance

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Trouble Ticket Help Requests for DTC P0404
Help Request Posted
2009 Volkswagen Passat Komfort 2.0L Misfire VIN: WVWJK73C29
P0404: Misfire 4. ... worthless,but i could be wrong? anyways the thing came in with p0171 lean and p0302 misfire on cylinder two and p0304 cylinder four, problem was intermittent so i check the o2 sensor voltage and it was reading very low,so i...
March 09, 2015