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P0671 Diagnostic Trouble Code Discussion for October 2009

Glow Plug No. 1 Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0671
Help Request Posted
2003 Volkswagen Beetle GLS 1.9L MIL Lamp on VIN: 3VWCP21C23
P0671: 1 Glow Plug Circuit. I checked all glow plugs, grounds, and bridge circuit - can't fine anything wrong. Vehicle throws the code immediately upon starting. Only weird thing I noticed is that bridge circuit voltage is on only for a split second when key is turned to start position. ...
October 13, 2009