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My truck threw a code this morning. I checked it with my programmer and it said "P0672" Cylinder No. 2 Glow Plug Circuit. Does anyone know what this means? Should I change the glow plug, or some wiring harness? Or maybe clear the code and see if it comes back? Thanks for the help.
 

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glow plug is bad... #2 is the front on drivers side fairly easy to get to... i just replaced #4 which is tough due to steering shaft... they are just like changing a spark plug & cost ranges from $17-25 depending on where you buy... Orielly's has them for ~$17 w/tax
 

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see if you are still under warranty at the stealership. they have a special warranty that covers them
 

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Mines thrown this code a couple times now, only seems to happen if I don't start it for a day or on cold mornings. Looks like I'm replacing a glow plug tomorrow with my other list of stuff I wanted to do
 
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