Content Source: 2020 Ranger Diesel (Poland) Owner’s Manual (9930939 R02) > Troubleshooting Chapter

IMPORTANT

The Owner's Manual for this vehicle contains warnings, instructions and other information you must read and fully understand before safely riding or performing maintenance on this vehicle.Always follow the warnings and instructions in Owner's Manual.

Click the CONTENTS link above for the Table Of Contents, or download a full PDF of the Owner Manual in the Owner Support area of Polaris.com

Engine Runs Irregularly, Stalls or Misfires

Possible Cause Solution
Loose ignition connections Check all connections and tighten
Water present in fuel Replace with new fuel
Low battery voltage Recharge battery to 12.8 VDC
Incorrect fuel Replace with recommended fuel
Clogged air filter Inspect and clean or replace
Clogged intake pre-filter Inspect and clean (with soapy water) or replace
Other mechanical failure Your authorized dealer can assist

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