Glow Plug Circuit codes- all 8
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Tuned
Joined: Mar 2009
Posts: 360
Likes: 3
From: Napa
Glow Plug Circuit codes- all 8
Haven't found this specific problem in searches, so- recently been throwing codes for all 8 cylinders at once for Glow Plug Circuit, and sometimes it doesn't want to fire when cold. I can clear the codes, and they come right back, key on engine off, without SES coming on, if started, SES lights. Since all 8 come at once, would seem that the GPCM would be a good starting point? I have access to another GPCM to swap out for a test. Top of the engine and connectors are clean, hasn't been wet etc., otherwise runs great. Best test procedure? I have an AE scanner, just getting started with it. 2001 F350 4x4 dually 7.3 auto, CA non-catalyst
Thanks
Thanks
Cargo Master
Joined: May 2010
Posts: 3,047
Likes: 10
From: Snohomish, WA
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Tuned
Joined: Mar 2009
Posts: 360
Likes: 3
From: Napa
Ran the KOER Glow Plug test in AE, got a funny one, P1397 Variable Valve Timing Solenoid B Circuit Low Input?
Also in KOEO, got a P0605 Internal Control Module ROM Error
Gonna borrow my buddy's spare GPCM, gotta get a smog check
Also in KOEO, got a P0605 Internal Control Module ROM Error
Gonna borrow my buddy's spare GPCM, gotta get a smog check
Logistics Pro
Joined: Apr 2010
Posts: 4,446
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From: Panama City, FL
FTE Leadership Emeritus
Joined: Sep 2003
Posts: 12,246
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From: Houston, Texas
To further Ken's point:
-All Diesel Excursions have California Emissions which means a GPCM
-Superduties built with California Emissions have a GPCM also.
-The 6.0 came standard with a GPCM no matter where you bought it
-All Diesel Excursions have California Emissions which means a GPCM
-Superduties built with California Emissions have a GPCM also.
-The 6.0 came standard with a GPCM no matter where you bought it
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Logistics Pro
Joined: Aug 2005
Posts: 3,884
Likes: 180
From: Morgan Hill, CA
Just to clarify, the early 99 CA trucks have a Glow Plug Relay not a module.
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