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2011 Silverado, POOR mileage, surging, no check engine light
Round trip, Ocala florida to Orlando area. tripometer- 235 miles used a full tank (26 gallons +)
I had the truck to the dealer twice so far in reguards to mileage and the way it runs ** crusing, accelerate slightly, slight enough that it does not down shift and is bucks, like a miss under load, also noticed this condition when in a parking lot, slow holding steady low speed, it feels like your applying light pressure to brakes and letting off (repeating). And other possible related condition, slowing to a stop, close to stopping the truck surges like accelerator is tapped. Sometimes applying slight brake others just letting off to coast toward light. This has happened 4 to 5 times since bought. **AND YES I AM SURE I WASN'T TOUCHING THE GAS PEDAL**
No check engine light, dealer states it was scanned with no codes present. I noticed these things in the first week of ownership. The service advisor told me there was probbably some water in the fuel, and that I need to find a new place to fuel up ***this was the complementary tank of fuel at purchase*** and I have fueled at 8 different places since and no changes.
I had been purchasing F-150's since the 80's. Fords do not get exactly what the MPG estimates state, but I still get 19 highway, and 14 city with my wifes 04 supercrew (4.6L) with a drive by wire configuration like my Silverado.
I love the way my Silverado looks better that the new Fords, but I'm wondering if I should have stayed with what I know.
I feel as if I have purchased a sick, hungry St. Bernard