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My 1993 500 polaris efi wont star until i take a positive wire and gruond it to the frame to activate the fuel pump then it will start and run until you shut it off

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Posted on Jan 02, 2017

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emissionwiz
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SOURCE: what would be the problem for my 2011 polaris 55 ranger efi not run smooth

It should set a fault code for this. Have it scanned.

Posted on Sep 13, 2016

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SOURCE: Overheating on ranger Xp Polaris 800 efi

Make sure the coolant intake Is not restricted by water borne debris.

Posted on Sep 22, 2016

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1 Answer

Would a bad battery cause the efi fuel pump not to work right on a 2012 polaris ranger 500


Only if it is an electric fuel pump... does the pump have wires attached... its doubtful that it is electric... the fuel pump is probably a vacuum operated pump (uses the vacuum created by the engine running).. Not that familiar with that particular model.. electrical fuel pumps on atv..etc.. are rare.. I have never seen one!!

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Fuel gauge flashes need fuel most of the time


Gary, Faulty fuel pump sending unit. Most of the forums I checked say this a big problem with Polaris, most say the pump and sending unit have to be bought as a assembly.
Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

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1 Answer

Why doesn't it restart?


Hey Heather,,,

Sounds like the throttle position sensor is bad. It won't let the engine start while it is "sensing" wide open throttle. This is something for the repair shop... 70 miles.. Warranty???

Feb 18, 2016 | Polaris 2014 Sportsman 570 EFI

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What could cause a 2010 Polaris 550 efi to start sputtering, backfiring and going dead after a few minutes of running


I would be looking for a lack of fuel problem
pump , tank vent, filters , fuel line blockage

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1 Answer

Why is there no power?


Sounds like a blown fuse. Trace your positive (red) wire from your battery until you reach your fuse (s) and check.

Aug 31, 2015 | Polaris 2006 Sportsman 500 HO EFI

2 Answers

Polaris 500 efi atv c power won stay on keeps shutting off


you have a short circuit on a positive wire. inspect your fuse box and your wiring harness for any visual damage

Oct 16, 2014 | Polaris 2006 Sportsman 500 EFI - Red Flame

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Polaris troubleshooting


Have you found your fuse yet? Replace it... even if it looks good... then look for broken wires..etc..

Aug 02, 2014 | Polaris 2006 Sportsman 500 HO EFI

1 Answer

Shut machine off then go to restart and it wont fire


if thats all the info you have you need to take it to the dealer.
those have way to many possible problems.
1. bad spark plug seal, dirt fills up the entire spark plug hole especially sand.
2. they have fuel pump pressure issues due to poorly constructed fuel pressure regulators.
3. fuel pump itself
4. if intake or exhaust is modified it may overheat after it shuts off (engines get much hotter after they are shut down) will not start if too hot
5. one of the three ignition coil might be failing
6. CDI may have failed
7. Spark plug might be hot fowled.

Mar 03, 2014 | Polaris 2013 Ranger 500 EFI

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2011 polaris ranger cutting out


clean carb and all fuel delivery system lines

Mar 25, 2013 | Polaris 2011 Ranger 800 XP EPS

1 Answer

With 42 hours on my 2006 Polaris Sportsman 700 EFI, the fuel pump quit working. Replacement was $592.00. A letter to Polaris was no help. They said it was out of warranty. Subsequent investigation...


Write a letter addressed to the President of Polaris explaining the events leading to replacement. Keep the letter open without demands. This may result in a positive solution from partial o full reimbursement.

Mar 11, 2017 | Polaris ATV

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