this is the same problem I am having on my 2000 f650 and a M2000 puck

Took truck to mechanic he checked for any trouble codes with puck unhooked no active or inactive codes. checked again with puck hooked up and got a code something about injection circuit voltage to high or something like that i will find out the exact code tomarow. he also said turbo would not spool ...

The truck runs out good but yes the idle is not correct. it lopes kinda of like it is bouncing especialy on a sudden deceleration. rup - rup - rup -rup. ya know? Not the normal deisle sound more anoying than anything smooth as long as your on the throttle Im not saying it has anything to do with the ...

Just installed brand new extreme power puck on my 2000 f650 with a cat 3126 motor and i get a check engine light flashing and it is derated ie. wont go over 45 mph. I unhook the puck and it goes back to normal. normal being the motor runs with a wierd lope at idle or especialy after sudden ...