i have pretty much the same problem, except i dont experience a hard fuel cut. I just get an extremely sloooowwwww ramp up. It will redline but i'm more likely to run out of road before i reach 7500rpm. But it does feel dead around 3500rpm so getting it beyond that takes effort. This is with my foot to the floor. It's like having a fat passenger in summer with the a/c blazing, heatsoaked engine and trying to take off quickly.
I do have datalogs during my most recent experience of the issue - it's in my own post. Something stood out to me today - intake valve timing solenoid duty is normal vs a log when the engine was normal, but cam angle in relation to crank angle was very different. Still no code was thrown. I thought the ecu had the ability to detect incorrect cam angle vs expected angle?
Could it be my intake valve timing solenoids? Since the duty requested was fine but the cam angle shift was not.....
Last edited by juld0zer; 06-14-2014 at 02:38 AM.
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