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It was the 02 sensor, thing is back and ripping up the snow :sled2::sled2::sled2:

I was wondering this same thing?

Just an update miss is still there but It looks like my air fuel sensor has packed it in and is messing with the auto tune. So that's the next step. Its pretty cold for sleddin right now anyway

Your fuel controller might be set lean also, how does it idle? I run water wetter in mine also I figure it can't hurt.

Changed out the TPS and the idle is good, going to take it out for a test rip tomorrow !!

Thanks Kinger Looks like I need a TPS

ok vacuum line are good so I pulled the TPS and with a multi meter it doesn't seem to be working two of the wires black and blue you variation but yellow and blue does nothing? any experience out there

ok I will go over the vacuum lines and check them very closely and let you know what I find.

Hey guys Ive got a miss at about 12 to 15 percent throttle that seems like you are shutting off the ignition for a split second repeatedly and a rough idle (low and loaping) If I crack the throttle it takes off and sounds perfect. I changed my plugs and nothing changed ,battery is fully...

Just an update, went out for a run seemed to run very well didn't push it too hard.Ill wait until I get the gauge on so I can see what's up.

Looks like I should pick up the pod 300 gauge set so I can see what is going on. I never looked at that piece of the puzzle.

This might be a dumb question but do you run it with the lap top plugged in at first so you can read the numbers as you rev it up? I attached an afr boost map on the auto tune so it should keep the afr safe? Yes?

Thanks Mr Sled I have it programmed and up and running going to take it out tomorrow for a rip. Ill shoot you a note to let you know how it goes.

Thanks Mr Sled Ill see if it lives tomorrow

ok

Do I need a base map with the auto tune unit or do you just set your air fuel ratios in the auto tune and start it up?

We used to put our tracks on backwards after they started bend, they were stiffer for take off but they didn't brake as well. It seemed they were designed to be stiffer that way.The really throw a roost until they straighten back out but that only affects the guys behind you.

You can run those tracks pretty loose with the sprocket drivers.Mine probably hangs down 1.5 inches when you pick up the sled and I have never had any issues but I am running an anti stab kit on the front of the rails. Stabbing the track would be the only danger to running it too loose if it...

Or if you can hang the sled from the rafters or something so you can lift the sled instead of dropping the suspension.If you have a chain hoist or something like it you can fine tune the lift to get your bolts back in.just slightly lower until it all lines up. I always undo the back springs so...

Do you have a base map that you are willing to share?