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Discussion Starter #1
Hi guys
I have 2011 sportsman 800 efi
Some thing strange happen to rpm when it’s running all good when it’s warm up and push all the trottell down it’s start to loose power and rpm from 1150 dropping down to 0 but Atv running
Any suggestions
New stuff all oem
Stator chain’s
New spurk plugs wires and coil
New injectors
Tbap sensor and wiring
New filters and spark plugs
New intake boot
The dealer says that maybe cams are done
Maybe someone had same problem ?
please thank you all
 

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Any codes??

If it's engine condition you might be concerned with do a compression test.
 

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Discussion Starter #3
Hi thanks for reply
Code was 41 45 tbap sensor so I put new one with wiring
Compression is 200 each cylinder
It’s good as I know
The guy from the shop told me it’s can be camshafts?
But I don’t know
 

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Could be your fuel pump - 43 psi is the minimum - pump is capable of higher pressure - the regulator maintains 43 PSI

139727
 

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Manual specifies 43 so depending on the accuracy of the gauge - at this point I would get it plugged into Digital Wrench and have the EFI diagnosed instead of guessing.
 

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So there are no codes as of now cause you fixed the T-BAP wiring??
 
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