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Old 07-23-2005, 08:36 PM   #1 (permalink)
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Gasoline contamination truck ran and died

Guys I want to make this a FAQ so serious replies only please;

Here is the scenario, "I forgot it was a Diesel and filled it with unleaded" it ran for 2 blocks then quit, what do I do, did I break it?

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Old 07-23-2005, 09:16 PM   #2 (permalink)
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I get almost one pump or truck a month thats full of gasoline. It's usually the same story, either "Oh the driver must have done it" or "that stupid kid at the full service station did it". And if you can prove that its the service stations fault, then you can make them liable for any damage done.

Oddly, the most common complaint is black smoke and hard start hot.

I've only seen one DS pump sieze due to gasoline, but it can cause considerable wear even if it doesn't sieze up.

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Old 07-23-2005, 10:42 PM   #3 (permalink)
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Wait, the MODERATOR did this? or someother person he wishes to remain un-named.
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Old 07-24-2005, 12:41 AM   #4 (permalink)
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Nope weren't me mine is running just fine I've just returned from vacation in Va, Service truck where my Brother In Law works is down & out for the count new guy on the job there forgot about it being Diesel, I'll get full details tomorrow, the owner my Brother In Laws boss is in my Sunday school class, it's a 6.5 but I don't know anything else, yr, mechanical or tron IP, NA or Turbo truck started life as a "tater chip" delivery truck.
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Old 07-24-2005, 12:45 AM   #5 (permalink)
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Quote:
Originally Posted by Texas Diesel Guy View Post
I get almost one pump or truck a month thats full of gasoline. It's usually the same story, either "Oh the driver must have done it" or "that stupid kid at the full service station did it". And if you can prove that its the service stations fault, then you can make them liable for any damage done.

Oddly, the most common complaint is black smoke and hard start hot.

I've only seen one DS pump sieze due to gasoline, but it can cause considerable wear even if it doesn't sieze up.
TDG new filter-flush, drain, & refill with Diesel sufficient?
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Old 07-24-2005, 12:49 AM   #6 (permalink)
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Drain the fuel, as much as possible. Add something to bring the lubricity of the fuel up to try and save the pump (could be too late already) I have been having real good luck with vegtable oil in improving the lubricity of the fuel. Possibly remove top of injection pump if mechanical and drain the fuel in it and refill with marvel mystery oil mixed with diesel. Replace fuel filter.
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Old 07-24-2005, 07:11 AM   #7 (permalink)
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Quick draining method may be using the lift pump to get the most of this "junk" fuel out. Of course the ultimate would be dropping the tank.

How 'bout just pulling the line off to the IP and feed it a nice cocktail of MMO and diesel (and see if maybe this guy could save himself from unemployment) and if the engine/IP will work again before getting too involved. That way you could decide if you need a pump job, or just a purge.
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Look here-> GM 6.5 Reference Material & FAQ's <-Look here

Diagnostic Links & Common Failures: Turbo System * Lift Pump/OPS * PMD * Stalling


°Please include your vehicle details in your signature line. Did you read the FAQ's and search before posting?
*Bus 1, rest in peace. Bone stock, now just bones. 4.10 rear 10/13 mpg, 182,000 miles with a set of MCI motor coach seats.
*Currently driving an "Canadian Camo" Snow White 2001 5.7L Chevy Express.
*Bus 2, 99 7.3L PSD.
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Old 07-24-2005, 08:24 AM   #8 (permalink)
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Quote:
Originally Posted by Turbine Doc View Post
TDG new filter-flush, drain, & refill with Diesel sufficient?
Running 10% gas or less with a lubricity additive is fine, so draining the system by hot wiring the supply pump and using the drain cock would be the easiest solution. I wouldn't even worry about the fuel filter unless it needs to be serviced anyway.
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Old 07-24-2005, 08:32 AM   #9 (permalink)
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Busy busy busy Tim (talkin' cummins, here), but all good advise, above.

May have hurt the IP if very high mileage, but if so IP replacement is necessary anyway.

Other than that, if it were my truck - purge tank, supply AND return lines, filter cannister, change filter.

Fresh fuel with lubricity improver in tank.

Hand-fill filter cannister with fuel and double lubricity improver, for purging inj pump.

Purge inj pump by bleeding injectors with return line to tank disconnected.

And, a word to "that kid down at the station" -

D O N ' T D O I T , A G A I N ! ! ! ! ! ! !

Last edited by gmctd; 07-24-2005 at 08:42 AM.
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Old 07-24-2005, 08:36 AM   #10 (permalink)
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Quote:
Originally Posted by gmctd
D O N ' T D O I T , A G A I N ! ! ! ! ! ! !
LOL, no joke

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