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Polaris 700xp idles fine want take throttle dies as soon as touch throttle changed map sensor and injectors has 40psi on pump could this be throttle position sensor

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Polaris 4wd 6x6 magnum. Just replaced the carb with a factory new one. Starts fine , but dies as soon as I touch the throttle.


What was wrong with the old carburetor?? I have been working on motorcycles and ATV's for 40+ years... only replaced 5 carburetors..they were broken/damaged by the owner trying to "fix them" or corrosion damage from leaving gas in them for years...
It still sounds like you have a fuel delivery issue...check all your hoses..
get one of these... it will serve you well ...

Polaris atv manuals

Polaris ATV repair manuals

Sep 17, 2017 | ATVs

1 Answer

What does error code 021 mean for my 2013 Polaris XP900 mean


I found a list that might apply. Not specific to Polaris, but general for electrical. Code 021 reads accelerator fault safety lock out inspect accelerator resistance and wiring

Here's the complete list.
http://www.electricforum.com/cars/ne...ror-codes.html

Hope this gives you something to look at

I also found this list specifically for Polaris:

21 Loss of Synchronization
22 TPS Circuit: Open and Short To Ground
22 TPS Circuit: Short To Battery
23 RAM Error: Defective ECU
25 Transmission Input - Invalid Gear
26 Vehicle Speed Sensor - Implausible
41 Air Temp Sensor: Open or Short Circuit to Sensor Voltage (ECU)
41 Air Temp Sensor: Short Circuit to Ground
42 Engine Temperature Sensor Circuit: Short To Ground
42 Engine Temperature Sensor Circuit: Open or Short to Battery
45 Barometric Pressure Sensor: Circuit Low Input
46 Barometric Pressure Sensor: Circuit High Input
51 Injector 1: Open Load
51 Injector 1: Short Circuit to Ground
51 Injector 1: Short Circuit to Battery
52 Injector 2: Open Load
52 Injector 2: Short Circuit to Ground
52 Injector 2: Short Circuit to Battery
54 Engine Temperature Lamp: Open Load
54 Engine Temperature Lamp: Short Circuit to Ground
54 Engine Temperature Lamp: Short Circuit to Battery
55 Diagnostic Lamp: Open Load
55 Diagnostic Lamp: Short Circuit to Ground
55 Diagnostic Lamp: Short Circuit To Battery
56 Pump Relay Open Load
56 Pump Relay Short Circuit to Ground
56 Pump Relay Short Circuit to Battery
58 Cooling Fan: Open Load
58 Cooling Fan: Short Circuit to Ground
58 Cooling Fan: Short Circuit to Battery
61 End of Diagnostic

Jul 22, 2016 | Polaris 2013 RZR XP 4 900 EPS Black /...

2 Answers

Starts and idles fine runs half throttle when fuel is applied


Harry, dirty carb or injectors.
Check the attached links,Manuals and guides, Good luck with your Bike
"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."

ATV TROUBLESHOOTING AND MAINTENANCE
ATV Service and Repair Manuals
http://www.carlsalter.com/motorcycle-manuals.asp

Jan 06, 2016 | ATVs

1 Answer

4 wheeler has sat for 3years. New carb diaphragm & idles fine. hit the throttle & it backfires & dies. Carb has been apart numerous times. Starts right back up. Not flooded.


Have you changed the fuel out, bad gas can cause this, also fuel lines and filter should be replaced as the ethanol eats the lines and filter.
Those hoses sound like the vents for the tank and carb.
When you replaced carb did you tighten the rubber boot that mounts the carb to the engine? if there is a crack in this boot it will suck air and cause this engine to stall,

Oct 15, 2015 | Polaris ATV

1 Answer

I have a 98 polaris 425 magnum it idles good but as soon as i give it throttle it wants to die. is this an electrical problem or a fuel problem


turn idle/lean down a bit and see what happens, then the gas may have water,timing, carb could be a few things

Aug 11, 2014 | ATVs

1 Answer

EFI symbol shows and quad won't idle runs fine when throtle engaged, what do I adjust to keep quad idoling and EFI symbol to stay off?


throttle position sensor bad ? map sensor equipped ? not sure on that model but be my starting point. not sure if adjustable idle ? efi . does all that i think. read owners manual and see if they use injector cleaner of any kind. pressure regulator can cause this too. wish i could help you more. i need go back to school on that one. sorry please let me know what you find thanks

Jul 15, 2014 | Arctic Cat 2009 550 H1 EFI 4x4

1 Answer

Engine won't idle /sometimes backfires


Check the MAF-MAP SENCER or it's a throttle position sencer is bad check both by replacing them and see if it works or the last result is idle control valve

Mar 24, 2014 | Polaris 2006 Sportsman 450

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