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7.3L IDI (Non-Powerstroke) Diesels Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

Thread: no starting with glow all glow plugs on Reply to Thread
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  Topic Review (Newest First)
03-09-2019 07:37 PM
no starting with glow all glow plugs on

I have a 1989 7.3 bucket International bucket truck with 55000 miles that won't start without a squirt of starter fluid. All glow plugs glow on start up. I suspect there is so much carbon in the pre-chambers the fuel won't ignite.
I was thinking to remove injectors and glow plugs and use a wire brush with cleaning solvent to clean inside glow pug holes then blow compressed air through injector holes and let the loose deposits
go through the glow plug holes. Does any one have a better idea other then removing heads?

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