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Old 05-29-2015, 06:55 AM   #11
Mini-Skoolie
 
Join Date: Jul 2014
Location: Florida
Posts: 30
Year: 1998
Coachwork: Bluebird
Chassis: International
Engine: 7.3L T444E
I am going to clean the fuel tank. And it seems to happen either going up hill it sputters and quits or if you take your foot off the gas pedal and then accelerate again. It dies. Not getting fuel?
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Old 05-29-2015, 07:08 AM   #12
Mini-Skoolie
 
Join Date: Jul 2014
Location: Florida
Posts: 30
Year: 1998
Coachwork: Bluebird
Chassis: International
Engine: 7.3L T444E
I am so happy with how the inside turned out. My son wanted it so we could see out all the windows. The bathroom has thin flat walls that store under the mattress and we slide them in place. I am going to try to attach a photo.
The mechanical issues and the fishtailing have got us in a pickle. But I love our bus!
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Old 05-29-2015, 08:04 AM   #13
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Year: 1999
Coachwork: Bluebird
Chassis: 3800 International
Engine: T444E
Rated Cap: 72
looks nice , great job
at 120,000 thats nothing for that motor, the injectors use oil pressure to make them work, if the oil pump starts to fail it causes a lost of power, Google how to check oil and fuel pressure, also there might be a small fuel screen beside the fuel filter canister.
When looking for trouble shooting, look under 7.3 powerstroke, there seems more info out there (same motor)
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Old 05-29-2015, 08:16 AM   #14
Mini-Skoolie
 
Join Date: Jul 2014
Location: Florida
Posts: 30
Year: 1998
Coachwork: Bluebird
Chassis: International
Engine: 7.3L T444E
Thanks a lot to everyone! It gives me ideas to trouble shoot.
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Old 05-29-2015, 10:07 AM   #15
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Find a good mechanic. The fishtailing is in the rear suspension. As someone else pointed out, check the track bar bushings, that'd be my bet.

You're loss of power sounds exactly like fuel restriction. Change the filters first. Then I'd blow air backwards into the fuel tank to temporarily clean the pickup off. I'd also check for any lines that are kinked. Make sure the lift pump is working good too. A weak one will cause fuel starvation. If you're still stumped check to make sure the rubber lines haven't swollen up on the inside.

To make diagnosis easier, you can install a fuel pressure gauge into the system after the fuel filter. That will tell you right away if it's fuel related or something else.
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Old 05-29-2015, 10:41 AM   #16
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Join Date: Nov 2011
Location: Sault Ste. Marie, Ontario
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Year: 1997
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Chassis: B3800 Short bus
Engine: T444E
Rated Cap: 36
Quote:
Originally Posted by gbstewart View Post
there might be a small fuel screen beside the fuel filter canister.
Check the pre-filter screen first! You'd be surprised what can be lodged in there. I had stuttering and when I opened up the canister found plastic from a zip lock bag or something similar. How?! Did a school kid stuff his lunch bag down the fill spout? I'll never know.
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Old 05-29-2015, 03:48 PM   #17
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Join Date: Jul 2011
Location: Winlcok, WA
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This may sound too easy but make sure the fuel cap if it is a vented cap vents properly.

I purchased an IHC chassis bus with the T444 in it. I ran it around town without any problems.

On the first leg of the trip from MI to WA I experienced severe loss of power as I was getting into Chicago. It was about 3:00 PM. Not a good place or time to be having issues with loss of power.

I limped it off the highway to where I could get a new fuel filter thinking that may have been the problem.

I waited to change filters until I was at the fuel station so that I could use fuel from the station pump to pre-fill the filter.

When I went to take off the fuel cap it felt as if it wasn't going to come off.

Somehow the vent has gotten messed up. Once the tank had gotten to a certain level the vacuum became so great the lift pump can't overcome the vacuum which resulted in a lack of fuel, which in turn presented itself as a lack of power.

I refilled the tank, put the filter in the glove box, and made it the rest of the way across the country without another hiccup.

So my suggestion is to do the easy thing first and run with the fuel tank cap loose enough to let air in but not so loose that you will lose fuel out the filler or lose the cap.
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Old 05-29-2015, 05:42 PM   #18
Mini-Skoolie
 
Join Date: Jul 2014
Location: Florida
Posts: 30
Year: 1998
Coachwork: Bluebird
Chassis: International
Engine: 7.3L T444E
Cowlitzcoach. We did notice that when it does this is when the tank is less than half full and when we stopped for gas the cap was vacuumed on. One more thing to check!

Thanks to everyone. I Am feeling much better about the bus. I was really discouraged!

Next we need to see why it fishtails and is so squirrelly. The tires are new. They have been balanced and aligned. Someone said maybe the "caster" needs to be different as the back end is up high
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Old 05-29-2015, 06:33 PM   #19
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Location: Moodus, Ct.
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Year: 1996
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Chassis: Ford e-450
Engine: 7.3 Powerstroke
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If you can easily + safely, pop the top off your fuel filter (it IS a screw on cap on top like the 7.3-correct?) and see if the bowl is full. Also what GB said-there is a little tiny inline screen off the side of the bowl that goes to the fuel pressure regulator that is known to plug. A great diesel website is Diesel Forum - TheDieselStop.com.
For the fishtaling-try jacking up the front end and steering the wheels side to side-make sure there is no binding. I had a tight steering box on my first trip-there was no freeplay-so you had to steer the wheel back after any input. It FELT like you were fishtailing-even though it was just constant correction.
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Old 05-29-2015, 06:50 PM   #20
Mini-Skoolie
 
Join Date: Jul 2014
Location: Florida
Posts: 30
Year: 1998
Coachwork: Bluebird
Chassis: International
Engine: 7.3L T444E
Yes I have changed the filters. And the bowl is full of fuel. Never noticed a screen I will look for that.
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