Code P2599.

[JWV2932]

Towed 7k camper in Pa mountains I-80. code came on, no loss of power. Camped next morning engine light off, Drove 650 mile to Ohio, KY 5 days ok. Return to I-80 PA mountains code back on and remains. NO visible problems. no loss power???

Also, have cp4 fuel pump. Have been adding fuel additive ( every fuel stop)for lubrication since 2016 faithfully. Installed Fass pump 2017. Should I leave or change to cp3

 

[2004LB7]

That code is for the turbo. Not fuel or pump related

See here:

P2599 Code

I have a 2013 LML customers truck that will throw P2599 and put the truck in reduced power, he can clear it and keep going but it happens on a hill at the worst time. its only done it twice so far but I run into this with a truck here and there that I tune, the code says "Turbocharger boost...

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