Sputterin at the start
Thread Starter
|
Junior User
Joined: Dec 2003
Posts: 83
Likes: 0
From: Maryland
Update, and not a positive one. To date I have change all the rubber lines on top of the motor, and the return line back to the valve that switches tanks. Changed the o-rings and connectors between the injectors and no luck. In fact it is gettig worse and now it sputters while driving. There are no visable leaks anywhere. I ordered a new line supply line from the tank switch to the fuel pump(supply) because it is in rough shape, very rusty. As far as the pressure at the filter head, I don't have a gauge to check it but when I plugged it as suggested, I used a piece of hose with a bolt in it(temporarily) and a band clamp and the fuel still squirted out very strong. I know there are much more serious problems out there, but this is getting frustrating fore me.
Lead Driver
Joined: Jan 2005
Posts: 7,782
Likes: 221
From: Huntington Indiana
Yoour leak might not be a visable one. With the fuel line being very rusty. This is where air can migrate into the fuel system and not leak fuel. Might be just a pinhole in the rust but not big enough to leak fuel. This is going to be difficult to find. Good luck and keep us up to date.
New User
Joined: Sep 2005
Posts: 3
Likes: 0
I had the same problem with all out tow trucks where I used to work at and it allways turnes out to be the water seperator on the driver's side of the fire wall. It will start to suck air through the drain valve. I don't know if anyone replied about the fuel lift pump could also be sucking air or the hose to it. Hope some of this helps. I always replaced the water seperator with a Racor 500 series filter seperator.
Last edited by Kwikkordead; Oct 1, 2005 at 08:38 AM.
Thread Starter
|
Junior User
Joined: Dec 2003
Posts: 83
Likes: 0
From: Maryland
Thanks for all your responces, I am going to replace the supply line on Monday and will look at the other possibilities too. I will let you know what I find and my results.
Last edited by BlueHeavyD; Oct 1, 2005 at 07:28 PM.
Thread Starter
|
Junior User
Joined: Dec 2003
Posts: 83
Likes: 0
From: Maryland
Update as promised. Changed the supply line from the tank switch valve to the lift pump (that was fun...on my back in the carport) and there is no change. It of course started rough and died and then re-fired after a couple more trys. I drove it around for a while and it stumbled and rumbled through out the trip. I thought it was getting better, maybe getting the air out of the system??, but in the end it was still sputtering off and on.
I am suspect of the bottom part of the filter/water separator. I was checking for leaks here and the drain hose and fitting came off in my hand. I will replace that next. After that I don't know what else to do.
I am suspect of the bottom part of the filter/water separator. I was checking for leaks here and the drain hose and fitting came off in my hand. I will replace that next. After that I don't know what else to do.
Thread Starter
|
Junior User
Joined: Dec 2003
Posts: 83
Likes: 0
From: Maryland
I'm sure people are getting sick of this thread but I have a new twist. I pulled the filter off again to replace the valve on the bottom of the bowl. The filter was only about 1/3 full of fuel! Something has been nagging me about the condition of the front tank, so for grins, I put the filter back on and fired up the truck. It was running rough as I expected. I took it out on the road and switched to the rear tank and within a short time the truck was running perfect again. I brought it home , shut it off for a while and tried starting it again. No sputtering. I have already changed the rear because it was leaking. Is it possible the is a bunch of crud in that tank that is resticting the pick up? Maybe the tank is bad. If so how difficult is the replacment and the cost. I appreciate all the input so far. Thanks, Bill.
Lead Driver
Joined: Jan 2005
Posts: 7,782
Likes: 221
From: Huntington Indiana
sounds like you have isolated your problem. this is a good start. keep us up to date and good luck with the tank.
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
10 Things Every Truck Owner NEEDS (2026 Edition)
Michael S. Palmer
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Verdad Gallardo
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer
Joe Kucinski
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Top 10 Ford Truck Tragedies
Joe Kucinski
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
Freshman User
Joined: Jul 2005
Posts: 26
Likes: 0
From: sedgwick me.
suspect sending units
I recently purchased a 94 f-250 with the same symptoms you describe upon taking the rusted up body off I discovered both sending units were rusted and leaking also the steel lines along the frame were leaking after replacing them the truck starts great even with 4 glow plugs burnt out. my 88 f-250 is yet to be fixed however. Maine=salt and rust
Thread Starter
|
Junior User
Joined: Dec 2003
Posts: 83
Likes: 0
From: Maryland
Yep, thats the direction I am headed. The lines from the front tank to the tank switch valve and the sending unit are next. I recently moved about 30 miles from the area that I do most of my plowing in the winter. I swear last winter the hwy depts. were usingso sort of super corrosive road salt. My truck rusted more last year that in its 11 years.
Thread
Thread Starter
Forum
Replies
Last Post
Slow
1997 - 2006 Expedition & Navigator
50
Oct 14, 2010 08:13 PM