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P0674 Diagnostic Trouble Code Discussion for March 2018

Glow Plug No. 4 Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0674
Help Request Posted
2006 Mercedes-Benz E320 CDI 3.2L MIL on VIN: WDBUF26JX6
P0674: Cylinder 4 glow plug circuit. Have a reoccurring #4 glow plug failure. (three in a couple of weeks) They each fail open and then are almost impossible to remove from the #4 hole. They appear to be a bit swollen and covered with carbon. These fail now and then on Mercedes which is to be...
March 27, 2018