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Old 01-16-2013, 06:58 PM   #1 (permalink)
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580 ext efi,TPS

I have a question and i think i know but i am just making sure.MY sled works great and pulls like a mother at all parts of the throttle except wide open.When it hits wide open it sometimes falls on its face and if you let of and stab it again its fine.Im guessing that the tps may be the culprit but i was just wanting some confirmation.And also i think my fuel mileage but be getting bad.
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Old 01-17-2013, 06:46 AM   #2 (permalink)
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NO! Not the TPS! Get a T and hose and gauge and do a fuel presure test! Also clean the clutches!
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Old 01-17-2013, 08:33 AM   #3 (permalink)
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Check the fule pressure and check your new springs you put in your clutches.
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Old 01-17-2013, 09:20 AM   #4 (permalink)
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I have a t in the line already with a gauge but its digital and its dead but when it was working a few weeks ago the gauge was reading 36 psi and sometimes if i jump it when i land it will do it and all i have to do is blip the throttle and its fine again
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Old 01-17-2013, 09:31 AM   #5 (permalink)
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I'm dealing with the same thing sort of. What kind of mileage are you getting?
I have a drop in power at WOT and then if i let off and get back on it it pulls great again. I've blown up two pipes so far from to much fuel being dumped at top end. I will be doing some TPS adjustments on it this weekend but unfortunately no snow here after the rains last week so it will have to wait to test it out.
If you figure something out PM me and i will do the same if this works out.
Good luck.
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Old 01-17-2013, 12:11 PM   #6 (permalink)
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funny you mention that because i have blown a chunk out of my pipe as well.
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Old 01-18-2013, 06:59 PM   #7 (permalink)
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Re: 580 ext efi,TPS

So i put a new guage in my fuel line and its 36psi like it should be and im in the middle of a ride right now just stopping a freinds house and i while im riding i can actually make it do this bog on comand now,wide open across the feild no bog and if i blip the throttle a couple of times real quik i can make it bog and sometimes it does it on its own.

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Old 01-20-2013, 12:39 PM   #8 (permalink)
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