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Old 07-21-2021, 08:48 PM   #1
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2006 Thomas starts but won't gas or fast idle

We have finished a roof raise on a rear-engine 2006 Thomas with air ride. The emergency doors, AC, and lift door were taken out.

The bus starts but the gas pedal is now unresponsive. It also will not allow us to switch into fast idle.

Is this due to the interlock system many buses have? Or something else entirely.

Has anyone else experienced this?

Thanks in advance,

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Old 07-21-2021, 09:11 PM   #2
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The interlock usually won't let the bus start, but I'm not sure on the Thomas. What is the drivetrain in it? Cummins? Cat?

I know older buses had air throttle, but it seems to me that everything is fly by wire since the early 2000s.

On edit...

Check this thread:

https://www.skoolie.net/forums/f39/n...e-24590-2.html
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Old 07-21-2021, 10:23 PM   #3
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Quote:
Originally Posted by Power Hungry View Post
The interlock usually won't let the bus start, but I'm not sure on the Thomas. What is the drivetrain in it? Cummins? Cat?

I know older buses had air throttle, but it seems to me that everything is fly by wire since the early 2000s.

On edit...

Check this thread:

https://www.skoolie.net/forums/f39/n...e-24590-2.html
This is a good thought. We will check over the air system- Thanks very much!
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Old 07-22-2021, 05:33 PM   #4
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Join Date: Apr 2018
Location: New Orleans
Posts: 350
Year: 2001
Coachwork: Thomas
Engine: 3126b 210hp
Rated Cap: 48
I had part of your problem 3 years ago.
My fast idle worked but a new Throttle position( TPS )sensor fixed my problem.

Here is my “Help” thread.
https://www.skoolie.net/forums/f49/h...elp-24101.html

* my bus has a fuse for fast idle.

* TPS is the thing with wires thats on your GO pedal.
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