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Old 07-29-2013, 12:13 PM   #1
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Is Turbo Operating?

I have a 2001 Forest River 33 ft. Reflection with a 330 Cummins Diesel Turbo.
I find that I always have the pedal to the floor more times than not.

How do I tell if the Turbo is functioning properly. The transmission is an Allison that does, downshift around 50mph.
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Old 07-29-2013, 12:20 PM   #2
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Originally Posted by dr ron View Post
I have a 2001 Forest River 33 ft. Reflection with a 330 Cummins Diesel Turbo.
I find that I always have the pedal to the floor more times than not.

How do I tell if the Turbo is functioning properly. The transmission is an Allison that does, downshift around 50mph.
If the turbo wasn't working you wouldn't be going anywhere .
Air to air cooler may be leaking.
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Old 07-29-2013, 12:20 PM   #3
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in the simplest terms, unless the exhaust is a steady stream of thick black smoke in virtually all conditions, the turbo IS working. As to how well, well that is another question. You should be able to get a scanner for that Cummins to show you many parameters including boost pressure.
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Old 07-29-2013, 12:36 PM   #4
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I have a scan gauge but I haven't entered any codes yet because I don't know where to find the codes.
It connects to the diagnostic computer port.
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Old 08-27-2013, 06:18 PM   #5
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Scangauge's website will have the right codes to add in. Do you have the right scangauge? There is a 'D' model for pushers, uses a different language than the one for cars & trucks.

ScanGauge - Trip Computer + Digitial Gauges + ScanTools

Can't seem to get my head around the turbo question - if it's not working, you are not going anywhere. The scangauge should help you with boost and exhaust back pressure readings, although with a 2001 the sensors might not be that extensive. If you don't have a thermocouple or a pressure gauge already in place, the scangauge won't give you a number.
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Old 08-27-2013, 07:08 PM   #6
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Originally Posted by dr ron View Post
I have a 2001 Forest River 33 ft. Reflection with a 330 Cummins Diesel Turbo.
I find that I always have the pedal to the floor more times than not.
Maybe you are just trying to drive to fast!
Just kidding. When the last time you changed air filter, fuel filter.
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Old 08-27-2013, 07:14 PM   #7
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ok someone has to say it.... I read the post title and just imagined turbs the surgeon. now my brain hurts and my eyes burn.
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Old 08-27-2013, 07:21 PM   #8
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ok someone has to say it.... I read the post title and just imagined turbs the surgeon. now my brain hurts and my eyes burn.
He has operated the last two days
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Old 08-27-2013, 07:26 PM   #9
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ok someone has to say it.... I read the post title and just imagined turbs the surgeon. now my brain hurts and my eyes burn.
You should know that the Turbo we know here is always operating - not always for the good, but operating nevertheless.
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Old 08-27-2013, 08:04 PM   #10
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You should know that the Turbo we know here is always operating - not always for the good, but operating nevertheless.

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