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  #1  
Old 01-10-2009, 07:16 PM
mikem
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Default 2003 3500 5.9 cummins ?fuel problems?

Hi all! New to this site.............I have an 03 3500 with a 5.9 cummins.
I had some trouble with the factory lift pump a couple months back, and (foolishly?) replaced it with a dodge in-tank pump.
I have not been able to get the truck to run properly since. Most recently, I replaced the fuel control actuator. This did not seem to help at all.

The truck starts only when plugged in and usually needs a charger hooked up, as it cranks a long time before finally starting (40 seconds). The last time I drove it........it would only get up to about 50mph, and I believe it was smoking with the pedal to the floor.

I am thinking it is a fuel problem.........but not sure where to look next? Anyone with similar experience or knowledge on this?

Thanks
Mike
Ontario
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Old 01-10-2009, 09:31 PM
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Have you taken it to a shop that could put it on a diagnostic computer, There could be a program issue.
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Old 01-10-2009, 10:16 PM
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Quote:
Originally Posted by mikem View Post
Hi all! New to this site.............I have an 03 3500 with a 5.9 cummins.
I had some trouble with the factory lift pump a couple months back, and (foolishly?) replaced it with a dodge in-tank pump.
I have not been able to get the truck to run properly since. Most recently, I replaced the fuel control actuator. This did not seem to help at all.

The truck starts only when plugged in and usually needs a charger hooked up, as it cranks a long time before finally starting (40 seconds). The last time I drove it........it would only get up to about 50mph, and I believe it was smoking with the pedal to the floor.

I am thinking it is a fuel problem.........but not sure where to look next? Anyone with similar experience or knowledge on this?

Thanks
Mike
Ontario
Mike why did you go to the in-tank pump anyway ? I think that pump application is for GAS only.. Probably not strong enough to push that thick Diesel fuel ( Winter in Ontario ) ..I suggest going back to point A and installing an original equipment pump.. I checked and there is one for about $ 40.00 US less than that in-tank pump. Checkout Auto Parts Deal .com sku # c44p76110. It's a re-manufactured original. You may try adding an additive to help during your cold weather ..
Just my $0.02 worth
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