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spankyjr1
spankyjr1, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 2561
Experience:  I worked on all types of equipment semis,forklifts,farm,ect.
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I have a international workstar 2010 its a garbage truck I

Customer Question

I have a international workstar 2010 its a garbage truck I replace both egr coollers turbo booster it has no power in gear 4-5-6 its a automatic but seems to up shift early and not down shif and I get periods of white smoke all fluid are good
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  spankyjr1 replied 1 year ago.
Hi, my name is ***** ***** you for your question.
Sorry for delay
The trans shifts off of throttle position and engine load so if TPS is showing low % it will do what its doing.
It will also shift like that if engine is not producing any power so check all basics like fuel system and CAC for leaks.
Its also a good idea to check engine breather, if engine can't breath it will have same effect.
Thanks