Join Now
International Automotive Technicians Network

P0677 Diagnostic Trouble Code Discussion for February 2015

Glow Plug No. 7 Control Circuit Malfunction

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0677
Help Request Posted
2003 Ford F-250 Super Duty XLT 6.0L Poor Idle Quality, Cuts out, Stall VIN: 1FTNF21P03
P0677: Glow Plug 7 Circuit Malfunction. We did our normal diag replace ficm low voltage updated blue spring, and replaced leaking icp sensor and pigtail. early build at rear, found newer sensor had been installed previously, and broke while I was removing it ended up have to remove pump cover to rem...
February 14, 2015