17 520344 1 rzr code

I have a 21 rzr turbo and I have been having issues with it not running right and throwing codes. It has always started and drove alright. Sometimes the codes went away. But now I have a code 250344 and rzr won’t start. I disconnected the battery, changed O2 sensor, changed sparked plugs,checked fuel pump and it still will not start.

2012 polaris rzr trouble code 636. Jump to Latest Follow 14K views 14 replies 4 participants last post by RZR Addict Apr 10, 2015. J. jaremenko Discussion starter 2 posts · Joined 2013 Add to quote; Only show this user #1 · Jul 9, 2013. starts runs fine ,soon as hits running temp shuts down gives engine light code 636 ,if I let sit for ...Jan 12, 2016 · It would move around about 50 to 100 rpm's during this event. It is throwing the 520344 with a 17 under it. That means adaptive fuel correction and the 17 means it is low. What part do I throw at this thing. I changed the voltage regulator out last weekend and it ran fine. I think it is the O2 sensor.Fault Codes / Reset. boost dtc p1234 fmi 31 p1234 pressure sensor spn 1124. Jump to Latest Follow. 23K views 14 replies 6 participants last post by RWB713 Sep 6, 2019. J. JJRZRguy Discussion starter. 22 posts · Joined 2016. #1 · Jun 10, 2019. I recently did a 600+ mile ride in my Turbo S in So.Code 520344/17. My 2019 Tre XP 1000 threw this code at at 1000 miles a week or so ago. I know there are a few threads stating possible fixes and reasons behind this code. I can tell you what fixed my issue, which many have pointed out was also their fix. I don’t think I would go after a single part till you replaced the Oring in the fuel pump.1127 31 code on rzr… Help! Lol. Tags engine code rzr 1000 pro xp. Jump to Latest Follow ... #1 · Feb 17, 2022. Need help!! I have a 2020 rzr pro xp and got the 1127 31 code and literally have no boost at all. Only have like 700 miles on it to btw. I took it for a drive and noticed the engine light on and it seemed a lil sluggish and so then ...If your car battery has died, you've been in an accident, or you purchased a used vehicle where the stereo was flashing "Code" you are not alone. Every day hundreds of people searc...Those codes are gone but after riding for literally 10 mins. Now I have a new code and my driver side plug isn't firing. I pulled both plugs and checked spark on both plugs with both wires the wires are firing the good plug but the other is fouled no fire and pretty clean. So now I have a different problem. The code is 17 520344 1.

Fault Code SPN FMI Description; B102A. 520669. 6. Headlight Relay / Rear Running Lights Output Short Circuit to Ground. C0256. 516247Code 520344 15 On 2015 XP4 1000. Jump to Latest Follow ... Back in January my RZR started throwing codes but never went into limp mode and sometimes the code just went away only to come back. So after reading messages, I changed the plugs and wires, Tmap sensor and Harness, the O2 sensor and checked the fuel pump. ...now home this morning i checked the engine codes and got these. and 3K rpm range is rough at stand still. 3056/4 something about black wire 02 sensor. 520344/17 fuel corrective adjustment - lean. idle is searching, ranging about 200 rpm. i have disconnected the battery and driven around the block at 4500 RPM trying to reset it, the …I have a 2015 XP 1000 that keeps throwing the 520344-15 code (adaptive fuel too rich). Just put in a sparks big bore motor, new bikeman exhaust, new O2 sensor and fuel commander. Pulls like a champ down low and then just seems dead up top. Sometimes it seems like it wants to run hard up high but won't. Have done a visual on the intake.I show you how to test the fuel pressure in a 2020 Polaris RZR 1000 XP. I show you how to test the pressure, talk about how to change a fuel pump if needed. ...3 Code Count; Press and hold the MODE button to enter the settings menu. Press either toggle button to cycle to the “DIAGCODE” option. Press MODE to select. More than one diagnostic code may be present. Press the toggle UP button to see if more codes are present. Press MODE to select a code.I am on vacation just had recalls done before my trip and same issue. One dealer has replaced the belt going to my second dealer today. Nothing I done cleared my codes. my plugs look brand new when it threw the first 520344 code Adaptive Fuel Correct Bank Then at high RPM's trying to clear code it will throw 65590 and 65592 cylinder …

72 subscribers. Subscribed. 31. 8.9K views 2 years ago. If your Rzr Turbo is blowing smoke or has a check engine light here is a common issue/Fix. This unit had code 520344 stored. ...more....520344 code on a 21 xp 1000 rzr , runs just feels gutless at times ?A 520344-17 Mystery, 2018 XPT4. Jump to Latest Follow ... Fuel pump o-ring if nothing else it's good cheap preventive maintenance but can also cause misfiring codes if I'm understanding fuel threads. ... Again, with his ECU, the rzr will idle fine, with mine, it will not. My RZR works fine with either ECU.New Rzr code 65590 and stops running. I just picked up my new XP 1000 this weekend. It's a 2016 that was supposed to have all the recalls taken care of. I finally got home to unload it today and went for a short ride. Got 100ft bike died and check engine light came on with codes 65590,65591 & 65592. Let it sit and it restarts.I have a 2019 1000 rzr, check Engine light on code # 520344 with a #17 on top & a # 1 on bottom. Solid. 2019 rzr - Answered by a verified Motorcycle Mechanic. By chatting and providing personal info, ... I have a 2020 rzr turbo s with code 520344-17 has loss of power ...That is the same code my 2019 450 sportsman in throwing. same symptoms. Some days I can go 30-50 miles with no problems. Today i went fast through a water hole and it happened 8 more times in about 1/4 mile. We checked cables earlier, the back positive cable was loose. We tighten it. But that didn't work. We checked fuel pressure…fine.

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5. Identifying the Specific Location: Code 1127 might point to a specific component or system within your RZR. Utilize the diagnostic display to identify the location associated with this code. Common areas include the engine, transmission, or electrical systems.First place I turned to were these forums and I'm glad I did! I saw a code of 17 520344 1 which I believe has something to do with a lean mixture. First thing I checked was the fuel pressure (again, thank you RZR forums) and determined I only had 20 psi of pressure (should have 58). After more internet research I dismantled the pump and ...So my experience with code 520344 15 was a long search. It all started with 2 of the fuel injector wires being damaged at the zip ties on the harness. Once I fixed those everything seemed fine for 5 miles. Then then this code came up.Follow these steps to clear the diagnostic trouble code: Stop the UTV and turn the engine off. Allow the engine to sit for 25-30 minutes. Turn the engine on. Doing this eliminates the limp mode. However, the fault code will remain on the dash. Drive your UTV slowly for a few minutes to allow the ECU to clear the code.Aug 24, 2022 · While riding I had this check engine light code 520344 17 came up machine lost power and was in limp mode pulled over and one of my friends opened up the back and checked the plug wires pulled them off and reinstalled them started to run much better and power came back but check engine light will not go out.

Day I brought it home took off trailer drive maybe 1 mile new code 1-520344-17? ... 2020 rzr pro xp4. Getting codes 12 520276 4, 2 520276 1, and 4 520198 3. I have tried a new gas pedal and codes came up. According to service Manuel I can swap tmap and boost sensor for testing. Did this and got codes 3 102 7, 4 102 6, 4 1127 5, 31 520231 4, 4 ...See full list on superatv.comPaul G. 6 posts · Joined 2018. #7 · Nov 27, 2018. I saw a youtbe video about hard starting in cold weather for the 900s.The electrical relays dont work well in cold weather.I think Polaris updated these relays.Try to warm up the relays with a hair dryer first.Wish I could find that video again. Like.1260 posts · Joined 2017. #2 · Jul 16, 2020. This code could be caused by an overboost condition. There may be an issue with boost pressure sensor wiring, or turbo waste gate. Check all applicable hoses and wiring. I'm just a soul whose intentions are good. Oh Lord, please don't let me be misunderstood.Started having ruff idle and the following codes showing up 4/3056/1 and 17/520344/2. Any help would be appriciated. Thanks, Nate . Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. ... the first code looks like an O2 sensor bank 1 (Voltage Below Normal, ...It's a 4 wire sensor. 2 of the wires are for sensor heater and the other 2 are for the sensor. The code 520209-5 is related the the heater current being low. The VR is easy to check. Just hook up a voltmeter to the battery and rev up the motor. The voltage shouldn't go up much mor than about 13.7 volts.Oct 6, 2022 · XP4 turbo engine code 520344-15. I have a 2018 polaris rzr xp4 turbo trying to figure out what my issue is. The code is for enrich fuel so I unplugged the tmap sensor and the 2 other sensors one by one. The code 520344-15 remained on and other codes came on while sensor was unplugged. Once I plugged each sensor back in the other codes went away ...The best side-by-side all-terrain vehicle is the Polaris RZR XP 1000, according to UTVGuide.net. Other top models include the Arctic Cat Wildcat, Can-Am Maverick and Maverick Turbo...General RZR RZR XP Turbo Code 520344 with bully dog programmer Jump to Latest Follow 21 - 28 of 28 Posts 1 ...Oct 13, 2021 · Code 520344/17. My 2019 Tre XP 1000 threw this code at at 1000 miles a week or so ago. I know there are a few threads stating possible fixes and reasons behind this code. I can tell you what fixed my issue, which many have pointed out was also their fix. I don’t think I would go after a single part till you replaced the Oring in the fuel pump.Ranger RZR S Discussion starter. 466 posts · Joined 2011. #1 · Jul 9, 2017. So I picked up a used low mile rzr s that is giving me the 520230 31 code but I don't have an eps unit? the previous owner says it's had the check engine light (power steering light) on for awhile and even tried to change the ecu because he thought that's why it was ...Have a couple codes that probably means a bad speed sensor or connection but still wondering if anyone has run across this on their pro yet. ... #2 · Mar 17, 2022. Got any news on this? Mine is throwing the same p0503 and c1069. ... A forum dedicated to Polaris RZR enthusiasts! A great place to find rides, meet people, and exchange ideas ...

4K views 6 replies 7 participants last post by chris85am Mar 6, 2016. C. Czito Discussion starter. 4 posts · Joined 2016. #1 · Feb 29, 2016. Bike only has 100 miles on it got a code showing 520344 and tried to unplug battery, rode in 5000rpms for 30 seconds and other things anyone has any idea what this code means? 2015 rzr 1000. Like.

3 Code Count; Press and hold the MODE button to enter the settings menu. Press either toggle button to cycle to the "DIAGCODE" option. Press MODE to select. More than one diagnostic code may be present. Press the toggle UP button to see if more codes are present. Press MODE to select a code.Apr 15, 2022 · Code 520344-15. So this is my experience with engine code 520344-15 which is exhaust running rich, in other words to much fuel in the exhaust. I have a 2019 XP Turbo. Now I'm by no means am I an expert mechanic or RZR specialist. I'm just a man that was trying to fix this by learning, also save money and possibly help others.Trouble shooting the Polaris RZR Misfire code. We have a code on our Polaris RZR Turbo 65590/91/2 is the Misfire code. This is due to one cylinder not gettin...RZR_Joe. 11371 posts · Joined 2011. #7 · Apr 19, 2022. If the code will not clear you have a problem. Code is "Adaptive Fuel Correction" "Valid but below normal - Too Lean". Start by replacing the O2 sensor to see if the sensor is faulty.520344 17 -- Your code This code is the least severe and that o2 sensor may have set this code also. You replaced the cause. 1.If your RZR’s check engine light doesn’t reset, it doesn’t necessarily mean you did somethingMy 2015 RZR 1000 XP started running rough then just wouldn’t start and gave a code of 520344 with a 17 under it. My local Polaris shop said it is either the O2 Sensor or the fuel pump. I changed the O2 Sensor but still wouldn’t run. I can smell gas so I know the fuel pump is working maybe not correcley but it is pumping gas.Sep 6, 2021 · Wonder if anybody could help me out I'm out riding in the mountains did about 80 miles. hundred plus degree temperatures my 2017 RZR XP 1000 starts having problems won't idle cuts out when I restarted I can go a little bit loses all power won't climb hills if I shut it off and restart it, it'll go and then die again It was throwing a P 1170 code Also a couple codes for misfiring on cylinders ...i have had issues with the o-ring in the fuel pump getting displaced. but once it is displaced it will not go out of limp mode. mine is going in and out of limp mode, so its probably not the o-ring, but could be another issue with the fuel pump. the 520344 17 is a rich condition code, I believe 520344 15 is a lean condition. other two codes are misfire codes for cyl 1 & cyl 2.Mark G RZR 2020. This Codes. 2-84-1. 2-84-2. place stop replace sensor's, please check your wire for power and ground and signal voltage at the transmission speed sensor, orange wire 12v black wire ground and green wire 4.95 volts. the codes indicates low voltage or open circuit. there and tool to find open circuit or to trace bad spot in your ...We may earn a commission for products purchased through links on this page

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Jiggle wires on TMAP sensor and cause near stall, rough idle.About three or four hours in this round it falls on its face and check engine is blinking. Check codes and it's both misfire codes as well as the lean code. I kill it and start it back up and it ran at half power for a bit and did it again. Did this about 7 times in the next 30 minutes driving to the top of an overlook.2 posts · Joined 2021. #1 · Jul 24, 2021. if anyone can help that would be great. I have a 2018 rzr 1000 that keeps throwing this code 520344 with a 17 at the bottom. My unit works for a while but seems that after riding for about 30 minutes it starts to lose power and shuts off. I can get it to start up but if I push on the gas too quickly ...So it's been sitting in the garage since then. Yesterday I pull it out to clean the garage and decided to just ride through the neighborhood slowly - less than 20mph. At 3000 rpm it's spitting, popping and way down on power. Pulled into the garage and the turbo is glowing red, exhaust heat is unreal - literally and code 520344 15 has popped up.Jan 20, 2018 · 4203 posts · Joined 2016. #2 · Jan 20, 2018. If I remember correctly somebody on here had same code and a friend with a RZR also had it think it says o2 sensor / rough idle believe my friend with RZR found a dirty spark arrestor and cleaned it and took care of his. worth a look. The Difference Between Men and Boys is the Price of there Toys!Nov 28, 2022 · Intermittent codes 17 520344 Turbo R. Jump to Latest Follow ... Polaris RZR Forum - RZR Forums.net. 3.1M posts 141.5K members Since 2007 A forum dedicated to Polaris ...7.7.17: Batterie. 7.7.17.1: Retrait de la batterie; 7.7.17.2: Installation de la batterie; 7.7.17.3: Entretien et charge de la batterie; 7.7.18: Nettoyage et entreposage. ... , noter les codes d'erreur affichés et demander de l'aide à votre concessionnaire ou à un autre technicien qualifié. Si le témoin de VÉRIFICATION DU MOTEUR s ...but when you advance throttle it cuts out. and CHECK ENGINE CODE 0-636-2 is present. (Crankshaft Position Sensor Plausibility) Things I've done: Fuel Lines, Fuel Tank, and Spark Plugs. -Removed gas tank and drained added fresh gas and some Sea Foam. -Replaced bag pre-filter on fuel pump.Tried every fix I could find. Several new belts, plugs, checked the entire fuel system, sensors, etc. Even changed to a DuraClutch and threw the codes and de-rated within a few miles. I eventually found Gilomen Innovations misfire code fix for those 65590, 65591 and 65592 codes. I sent my ECM to them on a Monday and had it back by Friday and I ...Polaris 2015 RZR 900 Manual Online: Awd Diagnosis. Symptom: AWD Will Not Engage 1. Check the gearcase coil resistance. To test the coil resistance, measure between the power wire and ground wire (BN/WH). Measurement should be within specification. Front Gearcase Coil Resistance: 21 -... ….

Feb 29, 2016 · 4K views 6 replies 7 participants last post by chris85am Mar 6, 2016. C. Czito Discussion starter. 4 posts · Joined 2016. #1 · Feb 29, 2016. Bike only has 100 miles on it got a code showing 520344 and tried to unplug battery, rode in 5000rpms for 30 seconds and other things anyone has any idea what this code means? 2015 rzr 1000. Like.My 2015 RZR 1000 XP started running rough then just wouldn't start and gave a code of 520344 with a 17 under it. My local Polaris shop said it is either the O2 Sensor or the fuel pump. I changed the O2 Sensor but still wouldn't run. I can smell gas so I know the fuel pump is working maybe not correcley but it is pumping gas.This video describes a common problem with the connectors on the injectors on the RZR 1000 900 and Turbo. The symptoms are intermittent power loss, rough idl...Thanks guys. I never have had this problem in my other two buggies. I do blow them out and check the sheves after rides. Just never had this issue. Ones an 18 570, and the other one is a 17 high lifter.2018 RZR XP4 1000 code 520344. Filled up this morning before hitting the trails, drove the road to get there and about 2.4 on the trails, hit the hwy to head home and about 10 miles in check engine light came on. We continued home with zero issues running fine. Pulled in and checked codes got 520344 guess its fuel pump.Code 1-1268-3 is Ignition coil short B+ mag. 0-1269-1 is Ignition coil short B+ PTO. So according to the codes you have an issue with the B+ to the coils. Hope this helps. ... 2009 standard rzr, TSI Turbo with CP pistons, P/W crank by Crankworks, Team/MCX wide ratio clutch,+5 lt kit with 1.5"offset from SATV, Polaris hardtop, Fox Podiums ...Max H said: I assume you have looked up the codes if not here are the descriptions from the POL manual. 65590 Misfire Detected Cylinder Not Identified. 65591 Misfire Detected Cylinder 1 (PTO) 655927 Misfire Detected Cylinder 2 (MAG) It is most likely the belt slipping but it can be other things as well that's creating a misfire.I was at Taylor Park last week Rzr XP 1000 Fox through a code on Wensday 520344SPN 17FMI. That is adaptive fuel correct bank 1. Polaris tech plugged it up to his computer on Thursday and after about 2 hours of stopping on the throttle and unplugging maps sensor and squirting brake fluid around throttle body intake boots it through a misfire ...520198-4 is Throttle Position sensor 2 / voltage below normal. 520276-2 is Throttle position sensor 1 or 2 indeterminable / Bad intelligent device or component. 3056-3 is O2 sensor bank 1voltage above normal or shorted to high source (*** this could be from your exhaust installed) 51-2 is Throttle Position sensor 1 - signal out of range. 17 520344 1 rzr code, Thanks guys. I never have had this problem in my other two buggies. I do blow them out and check the sheves after rides. Just never had this issue. Ones an 18 570, and the other one is a 17 high lifter., I have the same problem with my 2011 rzr was driving down the road and it just died, i changed the crank position sensor and it is still showing the code i then followed the wiring harness back and seen there was an unwraped piece of wire and it had rubbed though against the frame right in front of the back tire about 12" from were the plug is i …, Evolution Powersports demonstrates how its latest software revisioncures the few vehicles which get the 1127 overboost code with a tune, Was throwing codes 65590,65591. Could feel belt slipping and had read to change belt. Belt has been changed and now throwing 520344 with 15 below it. Read it was o2 sensor put new o2 sensor. Drove in low and all codes cleared. ... Polaris RZR Forum - RZR Forums.net. 3.1M posts 141.9K members Since 2007 A forum dedicated to Polaris RZR ..., I have a 2020 rzr turbo s with code 520344-17 has loss of power ... I HAVE A CODE 520344-17 IT RUNS NO POWER. IT WILL GO THEN. I HAVE A CODE 520344-17 IT RUNS NO POWER JA: Is the power loss consistent, or does it fluctuate? Customer: IT WILL GO THEN LOSERS POWER JA: What is the make/model/year of your bike?, 5 posts · Joined 2020. #8 · Dec 14, 2020. I came across a listing on ebay for a O2 sensor part #2413317. The pics showed a Bosch manufacturer part #0 258 017 462-4VU. I called Bosch to see if there was any other compatible sensor and they were able to provide me with a KSN number of 17462. Amazon has these listed at $99 but they are out of stock., 5. check for ground continuity in bn/wh wire. if exists (when key off), wire between coil and ecu is bad. . 3-5 assumes short circuit is persistent. if its an intermittent short circuit, that will be way way harder to find. i will report back after i dig around under the rzr tonight. fingers crossed., 148 posts · Joined 2013. #1 · Nov 28, 2013. Check engine light is on and giving me 3 numbers. 0=top left on display. 652= top right on display. 5= bottom of display (small font) Can someone help me with what this is? 2013 XP900. runs like shit at idle then shuts itself off., Code breakers are people who use logic and intuition in order to uncover secret information. Learn more about code breakers and how code breakers work. Advertisement Information is..., This Trouble Code sets if: Valve UP position voltage out of range. Check the following: (1) Measure cable travel length, (2) Verify smooth valve operation by operating the cable by hand through its full travel, (3) Relearn EVIf no problem. Exhaust Valve Position Out of Range (Mid) 520326., View and Download Polaris 2014 RZR XP 1000 service manual online. 2014 RZR XP 1000 utility vehicle pdf manual download. Also for: 2014 rzr xp 4 1000., 2014 code 105. Jump to Latest Follow. 5K views 1 reply 2 participants last post by Motoguy199 Dec 2, 2014. rzr340 Discussion starter. 145 posts · Joined 2009. #1 · Aug 10, 2014. The check engine light came on on my 14 with 1300 miles yesterday after I almost got stuck in a deep mudhole...the engine was never under water just the front of the ..., I was wondering if anyone has had the code # 0 520344 with a 17 underneath? I just put new fuel injectors in it an then this code came up. If anyone has had this problem or might know the problem please lmk thanks ... Polaris RZR Forum - RZR Forums.net. 3.1M posts 141.9K members Since 2007 A forum dedicated to Polaris RZR enthusiasts! A great ..., It would move around about 50 to 100 rpm's during this event. It is throwing the 520344 with a 17 under it. That means adaptive fuel correction and the 17 means it is low. What part do I throw at this thing. I changed the voltage regulator out last weekend and it ran fine. I think it is the O2 sensor., Rough idle code 520344. Connman; Jan 12, 2016; 17 60K Oct 6, 2023. by joelh3942. A. rzr xp1k trouble code 636 2. anthkrueger1; Feb 7, 2018; 4 7K ... All Engine and Drivetrain discussions on the all new Polaris RZR 1000. Show Less . Join Community Grow Your Business. Forum Staff View All, RZR 1000 Engine ... Infamous 520344/15 code on 2016 RZR4 1K. ... 2K views 1 reply 2 participants last post by CrazyElecE Oct 4, ..., Jul 9, 2021 · 8 posts · Joined 2020. #1 · Jul 9, 2021. My 2017 rzr turbo is flashing code 520344. I have changed fuel pump, fuel injectors and fuel rail. Now it runs at an idiol fine but turbo is not spooling up. Turbo seams not to be working. Any help would be appreciated.. Like. 10., General RZR Discussion RZR XP 1000 RZR XP 900 Polaris RZR Parts & Accessories Classifieds New Member Introductions Top Contributors this Month View All, ICS Communication. Loss of CAN between EPS and Instrument Cluster. 520230. 31. PURE GENIUS - we need to get him a job in the engineering dept. at Polaris. ( latebird) FPD218, you should be on the Polaris design/build consult team. You have some good info you're passing on. ( plumberwl5) 5X ATV OF THE MONTH WINNER., Fault code 520344. Jump to Latest Follow. 11K views 1 reply 2 participants last post by RockinRonnie Aug 8, 2017. S. Summers424 Discussion starter. 41 posts · Joined 2017. #1 · Aug 8, 2017., Joey Strub Bmp. 414 posts · Joined 2017. #2 · Apr 16, 2019. 102 - 4 (p0107) is a MAP sensor voltage below normal. Caused by the TMap sensor on the Intake plenum post TB. can be caused by TMAP sensor, Wiring and ECU. I welcome any comments or questions regarding Bikeman Performance Products., Nov 4, 2023 · My RZR initially threw the 520344-17 code with about 75 hours on the engine. From everything I read on the internet, a faulty fuel pump (or clogged fuel filter) was the most likely cause with the O2 sensor being a distant second followed by an intake/exhaust leak. Rather than troubleshooting, I just replaced the pump with a Quantum (lifetime ..., 2D barcodes are being used in some interesting ways. Visit HowStuffWorks to learn everything about 2D barcodes. Advertisement In the summer of 1974 at a grocery store in Troy, Ohio..., Apr 20, 2024 · Code 17 520344 solid light. Hi everyone, I’m new in here, las month I bough a used RZR 1000 XP 4 seater 2020 with 190 miles, fist thing I did was the oil and filter change, the unit has 300 miles and everything was fine until yesterday after putting gas (premium gas) the engine light came on. The only thing I did different yesterday is that I ..., I have a 2019 1000 rzr , check Engine light on code # 520344 with a #17 on top & a # 1 on bottom ... I have a 2020 rzr turbo s with code 520344-17 has loss of power ..., 6 posts · Joined 2014. #3 · Nov 28, 2016. Like desertdog01 stated it's for the adaptive fuel controller and the 17 denotes the car is running lean. I also have 520344 17 and it's intermittent on my end. Definitely seems as though the car is loosing power and actually stalled this past weekend at idle. At Camp Rzr (2015) they told me it was ..., So has 84/2 code. Temp gauge works, rpm works just speedo doesn't move. So figured it had a broken signal wire going to the ecu. Ohm'd it out ohm was perfect. Took a test light I have for pulse style sensors and back probed the signal wire at the sensor works fine ( I can spin the tires and watch the led pulse)., The 520344 will most likely be from your exhaust leak. It could also be a fuel pump issue. Check pressure. I would fix leak first then drive around in low gear above 4 k rpms for a few minutes. A lot of times it will clear out the codes. If they come back, I would trouble shoot cylinder 2., 2018 XPT4. 1400 miles. Stock tune, no engine, intake, or exhaust mods. Fuel pump replaced about a year ago at 800 miles with AEM pump. 520344-17 code is Adaptive Fuel Correction - Too Lean. This code first showed up about 10 minutes into a ride about a month ago, we did some initial trouble shooting and found that whatever the hell came out of ..., 520344-17 PRO XP. Jump to Latest ... Replaced 02 sensor rough idle and runs sluggish. Code will disappear and reapers. Any ideas PRO XP . Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. ... Polaris RZR Forum - RZR Forums.net. 3.1M posts 142.9K members, Code 15 520344. Jump to Latest Follow. 7K views 3 replies 3 participants last post by Tim Battle May 1, 2018. B. Blum1391 Discussion starter. 111 posts · Joined 2013. #1 · Jan 24, 2018. I have been battling this code on my 17 Turbo for about 4 months now, I’ve tried a few different things and the code still randomly comes and goes., RZR_Joe. 11371 posts · Joined 2011. #7 · Apr 19, 2022. If the code will not clear you have a problem. Code is "Adaptive Fuel Correction" "Valid but below normal - Too Lean". Start by replacing the O2 sensor to see if the sensor is faulty., That is the same code my 2019 450 sportsman in throwing. same symptoms. Some days I can go 30-50 miles with no problems. Today i went fast through a water hole and it happened 8 more times in about 1/4 mile. We checked cables earlier, the back positive cable was loose. We tighten it. But that didn't work. We checked fuel pressure…fine.