Pullin Power!!
Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
It does not smoke when you get in the gas now?
When is the last time you changed the fuel filter?
I would change it and test the pressure.
Could be the lift pump but that is just a guese, i have not leaned enough about the IDIs yet to be much help.
When is the last time you changed the fuel filter?
I would change it and test the pressure.
Could be the lift pump but that is just a guese, i have not leaned enough about the IDIs yet to be much help.
Thread Starter
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Junior User
Joined: Jan 2010
Posts: 61
Likes: 0
From: Uintah Basin UT
I changed the filter not even a month ago and i don't remember it smoking at all when i got into the throttle, how much work and cash do ya think the ip pump would be to swap?
Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
I would check presure first.
Postmaster
Joined: Apr 2009
Posts: 4,086
Likes: 1
From: Malahat/Cowichan Valley
Post Fiend
Joined: Oct 2007
Posts: 10,501
Likes: 5
From: Faibanks Ak.
Crank it and let run around 10 seconds then let it sit a couple hours or longer you may have some internal parts sticking and this has cleared it up before.
you said that you turned the pump and still have no smoke, I think you may have your pump timing retarted.
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Junior User
Joined: Jan 2010
Posts: 61
Likes: 0
From: Uintah Basin UT
i turned up the pump in october and it has ran fine till now, its acting fine sometimes and then other times it don't wanna run for nothin, i am getting quite a bit of smoke now though so im not sure what the hecks goin on, i took the gas caps off to see if it would help if the tank vents were plugged but didn't help, is there anything electrical that could be causing this? or is it more likely injectors or pump? Any help would be greatly appreciated, i gotta move cows this coming weekend
Post Fiend
Joined: Oct 2007
Posts: 10,501
Likes: 5
From: Faibanks Ak.
Nothing electrical affects the running in any way, unless a magical electrical electric pump has been added.
A filter fuel or air can last a year or 10 minutes depending on bad fuel or driving in a blow.
What year are you working on. Do you have a water seperator.
A filter fuel or air can last a year or 10 minutes depending on bad fuel or driving in a blow.
What year are you working on. Do you have a water seperator.
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Junior User
Joined: Jan 2010
Posts: 61
Likes: 0
From: Uintah Basin UT
The truck is a 90 but it has a 6.9, im not sure about the water seperator, probably do just havent looked for it, the water in fuel indicator has been on since i had the truck i just always made sure i changed the filter every once in whilei was just looking at an old thread about the seperator, would it be by the brake booster? or somewhere else? I havent been driving this truck much till the last month or so
Lead Driver
Joined: Mar 2006
Posts: 5,097
Likes: 1,504
From: western SD
On a 90 the water separator was on the fuel filter. The ones that had problems were on the 86 and prior. They were located on the firewall to the outside of the brake booster. Unless the filter stand was moved from the 7.3 to the 6.9 there won't be a water separater.
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