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P0673 Diagnostic Trouble Code Discussion for April 2019

Glow Plug No. 3 Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0673
Help Request Posted
2006 Chevrolet C5500 Kodiak C5C042 6.6L Low power uphill VIN: 1GBE5C1216
P0673: Glow plug 3 control circuit. Y would like to get some help on this one, vehicle complaint is low power when pulling a trailer uphill,at beginning has a codes for glow plug #3 which we replaced and brake pedal sensor,test drove vehicle and feels ok without trailer no codes. Data seems ...
April 17, 2019