To answer a few questions, my symptoms have been observed in Cobb's OTS maps stage 2 87, and 91. I run 92 octane here in Oregon with a 10% ethanol blend. I have 45k miles.
Some more background: I have 2 levels of symptoms; stutter and rough acceleration under load, and secondly a flashing CEL...
My P0301 code would only throw under WOT, and then go into limp mode. I could feel the symptoms as described above though, which I believed led to the thrown code.
It hasn't thrown the code under stage 1 tune, or under stock - which is helpful but discouraging since the power gains aren't...
Donovan,
I am throwing a P0301 as well with a rough acceleration under load. Running Cobb Stage 2, and have tried replacing plugs at .028. No luck. I even tried a conservative custom tune from Goose tunes.
I am on to thinking its a coil pack, injector, for condensation issues in my Cobb...
Excited to Join, based out of Oregon. Have a '17 raptor with Cobb Stage 2, swarfworks winch, and Corsa exhaust. Looking forward to learning and contributing to the group.
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