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I took my truck in for OBD, all injectors being replaced under warranty, fan blower motor, they told me the Glow Plug relay was bad, I did not get the code from the shop yet but how do I know for a fact it is the relay and or a glow plug ???? It started ok in the winter and I would think it might be just a glow plug. > ?> is there a seperate code for a glow plug on the 2004 ? What I see is P0380 for Glow Plug/ Heater Circuit (A) Malfunction
and P0381 Glow Plug / Heater Indicator Circuit Malfunction. ? I dont see it flag a specific glow plug like the newer codes in newer trucks do. I was charged for the OBD for the glow plugs but not for the injectors
thanks for any input
 

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LB7 Glowplugs

Go to post #5 in this thread. If you have an LB7 with Cali emissions you should be covered for plugs if you are throwing that code. If it's the module, I think that bill is on you.

racer
 
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