Hello again I didnt u go back to the 9r07 but stayed with the 9r10 and the mileage is great but I still have the stumble at about 1500 rpm to 1900 rpm and only up hills empty or towing drives the wife bonkers says buy chevy NOT! Im not sure maybe one injector but as always go to stock no stumble.Any ...

Thanks Im going back to 9r07 and at least get home with mileage and no stumbles I will wait till more people get the problem fixed or I could try a custom tune if you have one for me to try Any Many Thanks still love the tuner.

hello: No hard starting and the previous update 9r07 was good no stumble worked good mileage got 18+ on hwy at 70mph.Im hopeing not injector but no ruled out Im a field technician for Caterpillar 25 years plus and know the fuel system well thanks for any help>

I updated to Vr9 10 and have the miss and stumble again and milleage went down 3.5 MPG going from Portland to San Jose wish i would not have updated.
My numbers VXAPin3 hex Ser# d009EF5 U7165 pcm 6_0 V9r10 lots of black smoke 100 setting ,60 setting stumbles under load, 40 setting stumbles and ...

:evil: Hello this is my first post I have the U7160 that i used from 05 till 06 when ford (REFLASHED) and when i got it back i did not work i got INVALID LIC, # and 06e17 and it would not go on.I called the tech line and talked to Dan on7-06 and they would not help or get me going only if i payed ...

:evil: Hello this is my first post I have the U7160 that i used from 05 till 06 when ford (REFLASHED) and when i got it back i did not work i got INVALID LIC, # and 06e17 and it would not go on.I called the tech line and talked to Dan on7-06 and they would not help or get me going only if i payed ...