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2016 Cub Cadet 500 runs rough

CapnWalleye
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CapnWalleye Newbie

CapnWalleye

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Just picked up a Cub Cadet 500 that had shift issues (corroded fan gear) which I fixed. It also didn't seem to be running smoothly then all of a sudden it got worse. It seems to miss on both idle and when pushing the gas pedal to the floor and doesn't seem to be running at full power. I've been working with a local person who is walking me through some steps, but I'd like some input from this group as well. What I've done:

- drained the fuel tank and replaced it with 93 octane fuel and added heet to help with any water problems.

- replaced the fuel injector.

- disconnected the battery (several times) to allow the module to reset.

- set the valve clearance, both intake and exhaust, within specs ... intake was tight but exhaust seemed fine.

- replaced the battery.

- replaced the O2 sensor.

Nothing has helped. Not sure what the next steps are, but would appreciate any expertise that can be offered here.

 

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