P0674 Diagnostic Trouble Code Discussion for February 2011
Glow Plug No. 4 Control Circuit Malfunction
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| Help Request | Posted | |
| 2006 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on VIN: 1GTHK23D86 P0674: Glow Plug No. 4 Control Circuit Malfunction. Hello All and thanks in advance, This vehicle is one of my regular customer's. Sevice lamp came on and I scanned the very next day. All glow plugs have failed. My concern is future failure of new glow plugs. I am wondering what steps I can take prior to rep... |
February 01, 2011 | |
| 2006 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on VIN: 1GTHK23D86 P0674: Glow Plug No. 4 Control Circuit Malfunction. Hello All and thanks in advance, This vehicle is one of my regular customer's. Sevice lamp came on and I scanned the very next day. All glow plugs have failed. My concern is future failure of new glow plugs. I am wondering what steps I can take prior to rep... |
February 02, 2011 | |
| 2005 GMC Sierra 3500 6.6L MIL Lamp on VIN: 1GTJK33255 P0674: Glow Plug No. 4 Control Circuit Malfunction. Checked four glow plugs checked ok, truck starts good even in temp. around 20 deg. after sitting all night. Replaced glow plug controller started about 10 times and reset codes all eight glow plug circuits, still starts fine. Thanks for any help. |
February 07, 2011 | |
| 2005 GMC Sierra 3500 6.6L MIL Lamp on VIN: 1GTJK33255 P0674: Glow Plug No. 4 Control Circuit Malfunction. Checked four glow plugs checked ok, truck starts good even in temp. around 20 deg. after sitting all night. Replaced glow plug controller started about 10 times and reset codes all eight glow plug circuits, still starts fine. Thanks for any help. |
February 22, 2011 |
