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How do you bypass glow plug controller?

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Wiki User
November 15, 2010 12:20PM

How do I by pass the glow plug controller on a 6.2

The pump is worn and I need glow plugs for starting the engine when warm

If the engine is warm, glow plugs are not needed. Sounds like you have a sticky delivery valve in your pump. Try a fuel additive with lubricity and cetane booster. IE PowerService Also, before you start the engine give the foot feed a pump like you would a carburated engine. This will move the valve manually and hopefully work it to free it up a bit.