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Eng Check Light fix codes

Old

04-09-2015, 11:24 PM     #  

MoonchaserTX

Senior Member

 

Join Date: Jan 2010

Location: Kerrville, TX

Posts: 153

 

Check Eng Light-Codes-Fix?

Hope to get some wisdom here!

We have a 2009 Newmar Grand Star front engine diesel, Cummins ISB. Been getting check engine light when using exhaust/engine brake, on long grades..etc. Home now so have the motorhome into TX Custom Coach and they read these codes today:

--Code SPN 641 FMI Eng VGT Actuator failed Occurrences 29 times
--Code SPN 2633 FMI 7 VGT 1 Nozzle position Occurrences 108 times.

One idea is that the variable turbo actuator need to be replaced?
Your thoughts?

In a hurry to get fixed, so any help is much appreciated!

Curt

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Curt & Susan 2009 38' Newmar Grand Star 3752
Front Engine Diesel Freightliner Chassis Cummins 340 ISB/Allison
Toad: Honda Element, Ready Brute integrated tow bar and braking system, Protect-a-Tow

 
     

Check Eng Light

 

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Old

04-12-2015, 09:56 AM     #  

Appy

Senior Member

 

 

Join Date: Jun 2013

Location: Pa

Posts: 107

 

That's what it looks like. I have a monitor that I can keep an eye on things and it reads all codes and clears them if needed. Great tool to have.

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Old

04-12-2015, 11:56 AM     #  

MnTom

Senior Member

 

Join Date: Aug 2002

Location: Where ever I park it

Posts: 1,317

 

That sounds like a turbo problem. The moveable parts are not moving quite as they should. The normal fix is to replace the turbo, but they can be repaired. This will give you an idea what I mean.

https://www.youtube.com/watch?v=tTqZPbBet0I  

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