glow plug issue

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Nov 9, 2009 | 10:22 PM

maxepr

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Joined: Nov 2009

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glow plug issue

2001 X 7.3 psd. Service engine soon light on. Code reader says cylinder 2,4,6,8 glow plug inop. Changed all glow plugs and gpr. Still have light with same codes. Wondering if GPCM might be problem. Any thoughts?

Nov 10, 2009 | 02:00 AM

officer131

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Joined: Dec 2007

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From: Metro Detroit, MI.

All those cylinders are on the drivers side. maybe the harness is not connecting tightly. I had a code of P0677 and it was #7 circuit failure. I too replaced all glow plugs. chk engine Light is still on, but I think you have to have the computer cleared.

Nov 10, 2009 | 06:41 AM

Toreador_Diesel

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Joined: Sep 2003

Posts: 12,235

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From: Houston, Texas

That's definitely the Glow Plug Control Module...you will never see a whole bank of glow plugs suddenly fail at once. Order one off of ebay and save yourself some money.