Here we are ...March 7th. Dealer installed all new injectors. Took an 840 mile round trip. Performance exactly the same as before: poor mileage at highway speeds, downshifting on small grades, and a general lack of power. Dealer has opened a STAR case ...next step is to hook up monitor and...
My truck has a problem the dealer is attempting to solve: Lack of power at high speed and poor mileage (<22 mpg) at highway speeds. Field rep agrees there is a problem but they haven't been able to identify problem yet. One item I've noted is the truck is downshifting a lot on small grades...