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post #1 of 7 Old July 21st, 2019, 03:31 PM Thread Starter
 
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Rzr help

So my rzr has been acting up, weíve done just about everything but check wiring harness and the ecu. Have anyone had any problems with these. It will crank up perfectly fine and then you press the gas and it dies out. I just donít see those 2 things being the reason that itís doing that.


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post #2 of 7 Old July 21st, 2019, 03:35 PM
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You haven’t given us much, have you checked the fuel filter, fuel pressure , and the throttle position sensor ?
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post #3 of 7 Old July 21st, 2019, 04:15 PM Thread Starter
 
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Re: Rzr help

Quote:
Originally Posted by 702youngbergs View Post
You havenít given us much, have you checked the fuel filter, fuel pressure , and the throttle position sensor ?


Yes put a brand new fuel pump assembly. Pressure is good. Do the new model RZRs have a tps sensor itís a 16


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post #4 of 7 Old July 21st, 2019, 10:02 PM Thread Starter
 
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Re: Rzr help

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Originally Posted by 702youngbergs View Post
You havenít given us much, have you checked the fuel filter, fuel pressure , and the throttle position sensor ?

It will idle perfectly fun but when you give it gas it dies Hereís what Iíve checked so far
Check valves
Check timing
Check fuel pressure at rail
Check fuel pressure at pump
Replace spark plugs and set at proper gap
Check grounds
Cleaned intake plenum
Swapped coil
Swapped map sensor
Swapped crank position sensor
Cleaned throttle body
Checked compression
Checked voltage to fuel pump while running
Fixed loose wires on fuse box.
Checked to make sure fuel filter was clean.


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post #5 of 7 Old July 22nd, 2019, 08:00 AM
 
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Re: Rzr help

I'm assuming you drained all the gas and used fresh? Or run some Ethanol Free through it?
Looks like you have done a lot of stuff. That is an odd problem. Worst case take it to your local Polaris Stealership.

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post #6 of 7 Old July 22nd, 2019, 08:29 AM
 
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Re: Rzr help

Quote:
Originally Posted by logan.baldwin View Post
Quote:
Originally Posted by 702youngbergs View Post
You havenít given us much, have you checked the fuel filter, fuel pressure , and the throttle position sensor ?

It will idle perfectly fun but when you give it gas it dies Hereís what Iíve checked so far
Check valves
Check timing
Check fuel pressure at rail
Check fuel pressure at pump
Replace spark plugs and set at proper gap
Check grounds
Cleaned intake plenum
Swapped coil
Swapped map sensor
Swapped crank position sensor
Cleaned throttle body
Checked compression
Checked voltage to fuel pump while running
Fixed loose wires on fuse box.
Checked to make sure fuel filter was clean.


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What type of RZR is it ...turbo , 800 , 900 ?
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post #7 of 7 Old July 22nd, 2019, 11:28 AM
 
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Re: Rzr help

Check the vent tube and gas cap on your fuel tank.... they can get plugged up and not vent properly
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