Does overboost code have.... - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 12-08-2007, 02:19 AM Thread Starter
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Does overboost code have....

Whenever my check engine light comes on because of my apps cutting out, I check and clear the codes I always find an Overboost code as well. Does the Apps have anything to do with that?

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post #2 of 3 (permalink) Old 12-08-2007, 03:21 PM
 
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Sounds like you need a boost fooler. Sounds like its defueling real hard to keep the boost in check. I had a similar prob when I was in the process if switching boxes I left my j-hook on and kept loosin power. Thought it was the APPS for a hot minute but then remembered when I saw the overboost fault.
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post #3 of 3 (permalink) Old 12-08-2007, 04:03 PM
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Quote:
Originally Posted by iwannagofast
Whenever my check engine light comes on because of my apps cutting out, I check and clear the codes I always find an Overboost code as well. Does the Apps have anything to do with that?
No... The only way to get a over boost code is to have a boost elbow without a boost fooler. Or your wastegate is stuck close.

APPS is your throttle... And MAP and Wastegate are you boost codes...

Michael Nelson - 2002 Dodge Cummins & 1996 Dodge Ram 5.9L Gasser
116K Miles On My VP44 - 4 Years of 2 Cycle Oil Diet! - Mixed at 128:1 Ratio - 25.3 MPG maxed out!
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