slight bucking/missing on 26P Sightseer
I have a 2006 Sightseer 26P with an 8.1L Vortec V8 engine. Last weekend, about an hour into a 2.5 hour trip I started hearing/feeling a bucking or missing sound from the engine. It was running fine and then then bucking started. Initially I thought it was happening only when accelerating in the 58-63 mph zone but once off the highway I continued to feel it. It seems to occur when I put a light amount of pressure on the gas pedal while trying to maintain speed. When I accelerate from a stop or really get on the gas, it doesn’t happen. Once home, I noticed that I had burned more than twice the fuel as previous trips to this same location. I had topped off my fuel tank the week before and driven 1.5 hours on that tank without issue. Since I burned around 50 gallons for a 180 mile trip, I needed fuel and stopped at a different station to fill back up. The bucking continues even with a new tank of fuel. Any ideas on where to start troubleshooting?
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2006 Winnebago Sightseer 26P, W18, 8.1L Vortec V8
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