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2007 Polaris 700xp new injectors and map sensor has 40psi at pump could this be throttle positon sensor

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My 2013 Polaris 500 will not switch gears when starting off in high, but if I let off throttle and feather it will engage. Any ideas of the cause or fix?

its not reading a sensor properly you would need to have the codes read or have it on a diagnostic run to see what sensor is not working, could be the speed sensor or its not reading the maf or map sensor correctly.

Jun 30, 2017 | ATVs

1 Answer

2007 Polaris 500 X2 EFI, won't idle and coughs back through intake when throttling down

Hey Aaron,
When was the last time you gave this atv a major tune-up..A Professional carb cleaning, a new air filter, a new spark plug..? This should clear up your issues,

Jun 16, 2017 | ATVs

1 Answer

I have a 2006 Polaris sportsman 700 that won't start. I have a new fuel pump, new injectors and spark plugs.

do you have spark? if not I'd start checking the safety interlocks, kill switches, key, etc

Jan 02, 2017 | Polaris ATV

2 Answers

At high altitude polaris runs rough and lopes

well not knowing the model or year of mfg , ill assume its one with fuel injection , the mAP Sensor is the device that controls this function , they do sometimes get clogged up and require a good cleanout with some Map sensor spray (don't use brakeclean!!!) unless you want to buy a new one (sensor that is not atv) but even that's only gonna get you too about ten thousand feet , any higher than that your gonna need custom software to get it to run ok

Sep 29, 2016 | Polaris ATV

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.

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 Service and Repair Manuals

Jan 06, 2016 | ATVs

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

1 Answer

At full throttle it starts to miss and lung back and forth

if its EFI its an injector, it not fuel injected, its a carb issue

Apr 01, 2013 | Polaris 2004 Sportsman 700 Twin

1 Answer

2005 Sportsman 700 EFI - Throttle stuck wide open. All cables move freely, opened throttle position sensor - butterfly valve opens smoothly with thumb throttle but valve does not close all the way even...

you will have to have a nulti meter and unplug the sensor and che the ohms on the sensor when you move the control, it should move up and down on the ohm numbers smoothly if jumps as you apply throttle then you have a bad sensor

Sep 26, 2017 | Polaris ATV

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