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2008 Arctic Cat 700 efi poor idle and stall

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2008 700 arctic cat efi idle poor stall
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39K views 12 replies 12 participants last post by  biscayne348  
M
#1 ·
Im hoping someone on here might be able to answer as Ive had no luck with my dealer.
I have a 2008 Arctic Cat 700 EFI that has 328 miles and was running excellent up until this afternoon when I went to run it...now mind you it has sat for a week or two. But I got it turned over first shot no problem and let it ilde for 1-2 mins and took off on it. I got about 400 yards and it started backfiring and starting to sputter it did this untill it stalled. I started it back up and it crank real hard for 10-15 seconds. I finally got it started and let it "warm up" for another min and took back off on it till i got about another 100 yards and it died on me all together. When i tried to start it again, it was stall as soon as I touch the throttle.
I initially thought it was fuel pump but i can hear it run. after doing research i tihnk it might be the TPS (throttle position sensor). Can anyone confirm? Ive heard people talking baout adjusting them, is it something special or do you need a tool or something? Ive read something about "center of the screen" and "lines" and "codes". Can someone shed some light...
Any and all help is appreciated. Thanks in advance
 
M
#11 ·
2008 Artic cat efi running like crap.. The problem i found on my bike was the Throttle position sensor . I removed the TPS and used a flat screw driver to manually work the sensor and found that it was sticking.. I prayed silicone on it and worked it back and forth till the spring could return on its own. Reinstalled and reset the sensor and problem was fixed . Hope this helps .🙂
 
M
#12 ·
2008 Artic cat efi running like crap.. The problem i found on my bike was the Throttle position sensor . I removed the TPS and used a flat screw driver to manually work the sensor and found that it was sticking.. I prayed silicone on it and worked it back and forth till the spring could return on its own. Reinstalled and reset the sensor and problem was fixed . Hope this helps .🙂
 
#2 ·
Same here!!!

I am having the exact same problem here is my post.......Hi all, I am new to this forum and this is my first post. I have a 2008 Cat 700 EFI (not an H1). My problem is the wheeler runs great when it is cold. Starts up as it should smooth idle. After a short riding time maybe a mile or so, it will begin to run rough, miss and stall if enough throttle is not supplied. If it should stall it will not fire up again until it is stone cold. Then it will repeat this issue. I have drained the tank and refilled with new gas and additive and changed the plug, no improvement. Any suggestions?? So far I have not figured this out either if I do I'll letcha know. Have you had any luck???
 
G
#6 ·
RobHester00 said:
Same here!!!

I am having the exact same problem here is my post.......Hi all, I am new to this forum and this is my first post. I have a 2008 Cat 700 EFI (not an H1). My problem is the wheeler runs great when it is cold. Starts up as it should smooth idle. After a short riding time maybe a mile or so, it will begin to run rough, miss and stall if enough throttle is not supplied. If it should stall it will not fire up again until it is stone cold. Then it will repeat this issue. I have drained the tank and refilled with new gas and additive and changed the plug, no improvement. Any suggestions?? So far I have not figured this out either if I do I'll letcha know. Have you had any luck???
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Did you solve the problem?
 
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