Polaris RZR Forum

2011 rzr s won't start hot

This is a discussion on 2011 rzr s won't start hot within the General RZR Discussion forums, part of the General RZR category; My 2011 rzr won't start after turning it off when it is 204 temp. Have to let it cool down to around 180 to start, ...


Go Back   Polaris RZR Forum - RZR Forums.net > General RZR > General RZR Discussion

General RZR Discussion For General Polaris RZR discussion

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old July 16th, 2011, 06:10 AM
wv mountain man's Avatar
Feedback Score: 0 reviews
 
Member #23332
Join Date: Mar 2011
Posts: 15
View wv mountain man's Photo Gallery(0)
2011 rzr s won't start hot

My 2011 rzr won't start after turning it off when it is 204 temp. Have to let it cool down to around 180 to start, It run fine before and after. Any thought on want to ckeck?
Thanks
Greg
Reply With Quote
Sponsored Links
RZRForums.net is the premier Polaris RZR Forum on the internet. Registered Users do not see these ads. Please Register - It's Free!
  #2  
Old July 16th, 2011, 06:27 AM
scubadnv's Avatar
Premium Member
Premium Member
Feedback Score: 1 reviews
 
First Name: Don
My RZR: RZR-4
Member #21107
Join Date: Dec 2010
Location: Albuquerque
Posts: 1,299
Garage
View scubadnv's Photo Gallery(30)
Re: 2011 rzr s won't start hot

Sounds like fuel is vapor locking in the fuel rail to the injectors. Try to cycle the key on for 2 seconds (without cranking the engine) and do this 10 times then try to start the engine. If this works, and I think it will, what you are doing is using fuel pressure to purge the fuel vapors from the system up to the injectors and replacing it with liquid fuel. You may want to give it a short crank on the 5th cycle to allow fuel vapors to be purged through the injectors and depending on how much vapor there may be in the system it may even start at that time.
__________________
UTV Inc cage w/spare tire rack,PA doors w/bags and PA steering wheel,PRP seats,DJ 5 point front and 4 point rear harnesses, 4.5k ViperMax winch,Tribal Whips rear b/u stop light combo and lighted whips,Totron 40" curved light bar,Team Concours dash switch panel with dual volt meters,UTVInc park brake,Dual Odyssey batteries,w/SurePower isolator,RT 2" lift,MakinTrax springs,Lenovo A7 w/GPS with BCN maps,HID head lights,full interior LED lighting,Axia Alloy mirrors,A/O cooler,Lock and ride box,full UHMW belly skids w/arm guards,dual fire extinguishers,SuperDaves bushings, custom locking AR15 gun mount,custom non locking long gun mount.Full glass windshield.
Reply With Quote
  #3  
Old July 16th, 2011, 06:37 AM
FunRide's Avatar
Feedback Score: 1 reviews
 
First Name: Jim
My RZR: '11 CP/MCX S-LE
Member #17399
Join Date: Jul 2010
Location: S. Maine
Posts: 6,294
Garage
View FunRide's Photo Gallery(0)
Re: 2011 rzr s won't start hot

Quote: Originally Posted by scubadnv View Post
Sounds like fuel is vapor locking in the fuel rail to the injectors.
Yep.

UTV Inc. makes a sweet little aluminum heat shield to protect the rail for turbos. That would likely do the trick for you long term. Just bolt it on. You'd have to ask for a part number, or look around their site. You could probably fab something up if you wanted to mess around with it. Theirs is nicely formed and fits perfectly around the fuel rail.
__________________
2011 S LE MCX water/air, CPs, P/W crank, Benchmark doors, Thunderhawk reinforcements, 8" copped cage, Simpson D3s, Rigid D2's, King Shocks.
Reply With Quote
  #4  
Old March 29th, 2013, 06:08 PM
papajohn's Avatar
Feedback Score: 0 reviews
 
Member #47864
Join Date: Nov 2012
Posts: 17
View papajohn's Photo Gallery(0)
Re: 2011 rzr s won't start hot

I have the same problem right now. Been fighting it for some time. Everything seems to point to vapor lock. im gonna try the heat shield thing.And maybe wrap the fuel rails with header tape. I just cant figure out why they ALL dont have this problem.
__________________
2011 graphite rally. Zillas on ss 108's stereo. Cooter Brown bed cover. GPS. MUCH MORE !!!!
Reply With Quote
  #5  
Old March 29th, 2013, 07:15 PM
RZR_WV's Avatar
Feedback Score: 0 reviews
 
Member #38934
Join Date: Apr 2012
Posts: 142
View RZR_WV's Photo Gallery(0)
Re: 2011 rzr s won't start hot

I have had luck with letting the motor idel for about 30 sec after I stop then shuting her down.
Reply With Quote
  #6  
Old March 29th, 2013, 09:05 PM
2011 RZR 800's Avatar
Feedback Score: 1 reviews
 
First Name: Kerry
My RZR: 2011 800 RZR 50
Member #23427
Join Date: Mar 2011
Location: King,NC
Posts: 701
View 2011 RZR 800's Photo Gallery(9)
Pissed Re: 2011 rzr s won't start hot

Quote: Originally Posted by RZR_WV View Post
I have had luck with letting the motor idel for about 30 sec after I stop then shuting her down.
Yep let it run till temp drops back to 194 and fan cuts off and it will start. It's been talked about in another thread. Hard to start when warm i think is the topic. You might try and search for it,Kerry
__________________
Racer Tech Lift and Springs,Super ATV Winch,Polaris Sport Roof,Polaris Brush Guards,Super Daves Shock Bushings, Polaris 14" Wrec Wheels, ITP TERRACROSS Tires,Super ATV Harnesses
Reply With Quote
  #7  
Old March 30th, 2013, 03:05 PM
papajohn's Avatar
Feedback Score: 0 reviews
 
Member #47864
Join Date: Nov 2012
Posts: 17
View papajohn's Photo Gallery(0)
Re: 2011 rzr s won't start hot

Ok, Went riding today. I tried turning the key on and off 10 times. it worked once. it was a little chilly out so i let it sit til the temp dropped below 188 degrees. Then it would start. im building a heat shield and wrapping them. it seems like the only real solution
__________________
2011 graphite rally. Zillas on ss 108's stereo. Cooter Brown bed cover. GPS. MUCH MORE !!!!
Reply With Quote
  #8  
Old March 30th, 2013, 03:08 PM
sandblster's Avatar
Feedback Score: 0 reviews
 
Member #46247
Join Date: Oct 2012
Location: Eugene Oregon
Posts: 2,026
View sandblster's Photo Gallery(0)
Re: 2011 rzr s won't start hot

Might try ethanol free gas. Might make a big difference.
Reply With Quote
  #9  
Old March 30th, 2013, 04:07 PM
Pirate's Avatar
Premium Member
Premium Member
Feedback Score: 2 reviews
 
First Name: Stuart
My RZR: 2009 Nuclear Sunset special edition
Member #3677
Join Date: Aug 2008
Location: Canon City, Colorado
Posts: 4,549
View Pirate's Photo Gallery(0)
Re: 2011 rzr s won't start hot

Hmmm....maybe its time to check the fuel pump pressure and see if the pump isn't part or all of the problem?

Just a thought...easy to do...

Pirate
Reply With Quote
  #10  
Old March 31st, 2013, 12:18 PM
MikeT's Avatar
Feedback Score: 0 reviews
 
First Name: Mike
My RZR: 2009 50" RZR
Member #14202
Join Date: Mar 2010
Location: Prescott Valley, AZ
Posts: 645
View MikeT's Photo Gallery(0)
Re: 2011 rzr s won't start hot

Agree with Pirate - check fuel pressure. If that turns out to not be the problem, there is another thread about this problem either on this forum or on the 800 forum. A dealer talked with Polaris about it. Here is what they recommend.
1) Don't use oxygenated fuel (use non ethenal fuel).
2) Don't shut off the engine when the fan is running - wait until the engine cools down and the fan stops.
3) If the stop is going to be less than 20 minutes, leave the engine running for the length of the stop.

Mike
Reply With Quote
  #11  
Old March 31st, 2013, 05:56 PM
papajohn's Avatar
Feedback Score: 0 reviews
 
Member #47864
Join Date: Nov 2012
Posts: 17
View papajohn's Photo Gallery(0)
Re: 2011 rzr s won't start hot

Its the heat. and i think i know why. My rzr is snorkeled . The old cvt exhaust has been removed. It used to blow air under the bed which used to cool it a bit. Polaris did this to keep the bed from getting so hot. When i was out the other day i tried turning the key on and off ten times. That worked once. i tried shutting it off when the fan quit running. That worked once. The only thing that worked every time was waiting til the temp gauge dropped below 188. More like 185. Then it started. im making a shield and wrapping the fuel rail with header tape. That should solve it. Or installing a fan but thats not the permanent solution . And if there is a bunch of mud on top of the engine , I imagine that doesnt help things either.
__________________
2011 graphite rally. Zillas on ss 108's stereo. Cooter Brown bed cover. GPS. MUCH MORE !!!!
Reply With Quote
  #12  
Old March 31st, 2013, 06:08 PM
mattmanstroked's Avatar
Feedback Score: 0 reviews
 
First Name: matthew
My RZR: 2011 Arctic Cat Prowler
Member #40089
Join Date: May 2012
Location: South Arkansas - ElDorado
Posts: 503
Garage
View mattmanstroked's Photo Gallery(0)
Re: 2011 rzr s won't start hot

Quote: Originally Posted by MikeT View Post
Agree with Pirate - check fuel pressure. If that turns out to not be the problem, there is another thread about this problem either on this forum or on the 800 forum. A dealer talked with Polaris about it. Here is what they recommend.
1) Don't use oxygenated fuel (use non ethenal fuel).
2) Don't shut off the engine when the fan is running - wait until the engine cools down and the fan stops.
3) If the stop is going to be less than 20 minutes, leave the engine running for the length of the stop.

Mike
They actually said this is the fix just leave it running? Just think if the auto manufactures were to say something like that. The world would stop spinning. It is hard to believe some of the dumb ways they try to get out of actually fixing the problem.
Reply With Quote
  #13  
Old March 31st, 2013, 06:18 PM
sandblster's Avatar
Feedback Score: 0 reviews
 
Member #46247
Join Date: Oct 2012
Location: Eugene Oregon
Posts: 2,026
View sandblster's Photo Gallery(0)
Re: 2011 rzr s won't start hot

Quote: Originally Posted by mattmanstroked View Post
Quote: Originally Posted by MikeT View Post
Agree with Pirate - check fuel pressure. If that turns out to not be the problem, there is another thread about this problem either on this forum or on the 800 forum. A dealer talked with Polaris about it. Here is what they recommend.
1) Don't use oxygenated fuel (use non ethenal fuel).
2) Don't shut off the engine when the fan is running - wait until the engine cools down and the fan stops.
3) If the stop is going to be less than 20 minutes, leave the engine running for the length of the stop.

Mike
They actually said this is the fix just leave it running? Just think if the auto manufactures were to say something like that. The world would stop spinning. It is hard to believe some of the dumb ways they try to get out of actually fixing the problem.
No it actual is not. Diesel over the road are required a cool down time. It is called "heat soak" where a engine will heat up a lot after a run when shut off and not allowed to cool down. That is why a car electric fan will start after a shut down car sets awhile, to remove the "heat soak" effect.
Reply With Quote
  #14  
Old March 31st, 2013, 06:19 PM
RZR_WV's Avatar
Feedback Score: 0 reviews
 
Member #38934
Join Date: Apr 2012
Posts: 142
View RZR_WV's Photo Gallery(0)
Re: 2011 rzr s won't start hot

Just a side note my 500 efi Ranger was exactily the same way as my RZR. It is as simple as letting it idel for 30 seconds before you kill it.
Reply With Quote
  #15  
Old March 31st, 2013, 06:35 PM
papajohn's Avatar
Feedback Score: 0 reviews
 
Member #47864
Join Date: Nov 2012
Posts: 17
View papajohn's Photo Gallery(0)
Re: 2011 rzr s won't start hot

Ya right!! like everyone wants to hear your machine running everytime you stop to B.S.

as for leaving it run for 30 seconds. It didnt work for me.
__________________
2011 graphite rally. Zillas on ss 108's stereo. Cooter Brown bed cover. GPS. MUCH MORE !!!!
Reply With Quote
Reply

Lower Navigation
Go Back   Polaris RZR Forum - RZR Forums.net > General RZR > General RZR Discussion


Search tags for this page
08 rzr 800 wont start when it gets hot
,
2010 polaris ranger 6x6 doesnt want to start after heating up
,

2011 800 s rzr over heating , when shut off doesnt wanna restart

,
2011 polaris vapor locking
,
2011 polaris wont start hot
,

after rzr gets to 204 kill it wont crank till it cools down

,
polaris ranger 800 won't start when hot
,

polaris ranger wont start when hot

,
polaris rzr 800 won't start when hot
,
polris ranger wont start after shut off
,
polris rzr wont start till cools off
,
rzr gets hot wont start back
,
rzr getting hot and shutting down
,

rzr.won't start hot

,

why does my 2012polaris ranger overheat when i turn it off then wont start

Click on a term to search our sites for related topics.

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Wet RZR won't start. Gundog General RZR Discussion 6 June 16th, 2011 07:39 PM
2011 RZR S will crank but not start Hemi Engine and Drivetrain 2 April 17th, 2011 01:26 PM
RZR 4 2011 wont start. cribbs13 Engine and Drivetrain 4 February 10th, 2011 05:11 PM
08 RZR - RPM very low at start up ;-) cisco kid Engine and Drivetrain 3 November 24th, 2009 06:52 AM
It's a start LTRZR Projects and How-To 14 January 9th, 2008 07:34 PM

All times are GMT -7. The time now is 09:41 AM.




Clubs, Garage Plus vBulletin Plugins by Drive Thru Online, Inc.