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Discussion Starter · #1 ·
Have a couple problems.
1. Changed out all 8 glow plugs and wiring harnesses. Ran fine, with exception the Glow Plug Control Module (GPCM) is always showing 6.5 volts to the glow plugs with the ignition key off. Does not have the old relay version.
2. Changed out both fuel filters as per normal procedure and now won't start...trys,,,attempts to and sputters then nothing.

Are there some sending units that may have gone bad that is holding out the fuel and causing the GPCM to remain on constant?

Thank you guys in advance.
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