93 6.5 recently hard to srart - Diesel Bombers



Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

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Old 05-07-2013, 04:41 PM
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Default 93 6.5 recently hard to srart

this mornin and every time i start now its hard to start ..plugs? lp? pmd? im not sure where to go first ...
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Old 05-07-2013, 08:30 PM
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93s dont have pmd.and i highly dought its the lp.test all your glow plugs first
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Old 05-07-2013, 08:39 PM
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When is it hard to start?
Hot or cold or always?
After it sat overnight?

Do the LP test anyways-while the engine idles safely in park open the water in fuel drain TEE valve and observe results-does it stall or keep running?
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Old 05-07-2013, 08:41 PM
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Quote:
Originally Posted by racer55 View Post
When is it hard to start?
Hot or cold or always?
After it sat overnight?

Do the LP test anyways-while the engine idles safely in park open the water in fuel drain TEE valve and observe results-does it stall or keep running?

it sems to be all the time now ..
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Old 05-07-2013, 09:13 PM
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Check the glow plugs for power and function-pull a few and energize them and see how far they glow-any less than 3/4 of their length in a few seconds is not enough-be carefull they get real hot!

What is your cranking speed like?

You may need to check out the starter and batteries if it is a bit slow-too slow cranking speed combined with a worn IP means hard starting.
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