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P1545 Diagnostic Trouble Code Discussion for August 2009

Air Conditioning Clutch Feedback Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1545
Help Request Posted
1999 Volkswagen Passat GLS 1.8L Poor Idle Quality, Cuts out, MIL Lamp on VIN: WVWMA63B4X
P1545: throttle valve regulation. maf reading at 27.76 g/s with maf disconnected. The question is, is this a pcm problem? Maf reading does vary if engine will rev up, but wont drop lower than 27.76 The same reading after clearing codes. long term fuel trim at 99 per cent. Hopefully this is en...
August 12, 2009