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Old February 3rd, 2008, 12:50 AM   #1
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Default Diesel's not running right. Questions?

So on the way home from flint yesterday the our 94 chevy starts acting up and dies on us. We manage to get it started again and moving but it wasn't running smooth. After we got home in the driveway it seemed to start idling fine. It was then pulled in the garage so we could let it warm up and take a look at it.

Now we can't get it started. So i think we may have got some crap in the lines/injectors since we ran it about empty and have never really let it get below a quarter tank since we bout it. maybe gelled fuel?

Anyways this is our first diesel so i'm just looking for some pointers and tips on where to start looking

Kyle
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Old February 3rd, 2008, 07:18 AM   #2
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Check the fuel filter first.
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Old February 3rd, 2008, 07:40 AM   #3
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Check the fuel filter first.
x2, and add some additive to the fuel for gelling
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Old February 3rd, 2008, 07:54 AM   #4
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If you have a filter drain, check it for water by draining it into a glass jar and let it set to separate. If not or find water, get a new filter and pre fill it with 50/50 diesel medic/fuel. If it didn't throw codes or a check engine light, PMD failure is a very common problem on the 6.5 TD. If it's the PMD get a new one that is over Serial # 700,000 as they are the updated design. Good luck.

Edit: Good time to install a remote PMD cooler if that's it. I might have a test PMD around somewhere if all else fails. Lemme know.

Last edited by Renegade II; February 3rd, 2008 at 07:58 AM.
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Old February 3rd, 2008, 09:43 AM   #5
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x2, and add some additive to the fuel for gelling

x3

When is the last time you replaced your fuel filter? I replace mine about every 12,000 miles or so.

I also run "Power Source" fuel additive year round. This stuff rocks - my truck starts right up even in -30 temps.

You might be getting some bad glow plugs as well - does it seem like it wants to fire at all when you are cranking it?
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Old February 3rd, 2008, 11:13 AM   #6
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x3

When is the last time you replaced your fuel filter? I replace mine about every 12,000 miles or so.

I also run "Power Source" fuel additive year round. This stuff rocks - my truck starts right up even in -30 temps.

You might be getting some bad glow plugs as well - does it seem like it wants to fire at all when you are cranking it?
Just curious where you go that you could possibly find -30 actual temps.
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Old February 3rd, 2008, 11:24 AM   #7
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Just curious where you go that you could possibly find -30 actual temps.
yeah, me too!
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Old February 3rd, 2008, 11:34 AM   #8
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ok i'll start checking some of this today and see how it goes. When we bought this truck it came with 3 PMD's didn't know what they where before so i'll check some numbers and see what we've got.
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Old February 3rd, 2008, 11:35 AM   #9
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yeah, me too!
Sorry, -30 wind chills, for example last year we had a few days that were -5 all night with wind chills dropping below the -30s.

Basically, my point is that even on the coldest of days, it starts right up. My truck is outside since my garage is full, so it gets really cold.
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Old February 3rd, 2008, 12:13 PM   #10
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ok i'll start checking some of this today and see how it goes. When we bought this truck it came with 3 PMD's didn't know what they where before so i'll check some numbers and see what we've got.
Check to see if they have the calibration resister in them, may not start otherwise. Depends if ECM lost memory at any point. Without some type of heat sink (either the DB4 or a remote) they will burn up fast.

Welcome to the world of Detroit deisel
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Old February 3rd, 2008, 12:26 PM   #11
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Originally Posted by tweak View Post
Sorry, -30 wind chills, for example last year we had a few days that were -5 all night with wind chills dropping below the -30s.

Basically, my point is that even on the coldest of days, it starts right up. My truck is outside since my garage is full, so it gets really cold.
cars dont feel wind chills
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Old February 3rd, 2008, 05:32 PM   #12
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Changed the fuel filter added some stuff and it's running fine again. thanks for the help.
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Old February 3rd, 2008, 05:35 PM   #13
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Quote:
Originally Posted by 84Scrambler View Post
Just curious where you go that you could possibly find -30 actual temps.
Fargo North Dakota GF's dad just came home for a couple days and said he stopped around there and said it was -32 actual temp wind chill of under -50
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