Polaris RZR XP 4 1000 EPS 2020 Owner's Manual page 181

POSSIBLE CAUSE
Loose electronic control box
connections
Mechanical failure
ENGINE TURNS OVER, FAILS TO START
POSSIBLE CAUSE
Out of fuel
Clogged fuel filter
Water is present in fuel
Old or non-recommended fuel
Fouled or defective spark plugs
No spark to spark plug
Water or fuel in crankcase
Low battery voltage
Loose ignition connections
Mechanical failure
ENGINE BACKFIRES
POSSIBLE CAUSE
Out of fuel
Weak spark from spark plug
Incorrect spark plug gap or heat
range
TROUBLESHOOTING
SOLUTION
Inspect, clean, reinstall connectors;
blow on EFI fuse to remove impurities
Your POLARIS dealer or other
qualified person can assist.
SOLUTION
Refuel
Your POLARIS dealer or other
qualified person can assist.
Drain the fuel system and refuel
Replace with fresh recommended
fuel
Inspect plugs and replace if
necessary
Inspect plugs and replace if
necessary
Your POLARIS dealer or other
qualified person can assist.
Recharge the battery to 12.8 VDC
Check all connections and tighten
Your POLARIS dealer or other
qualified person can assist.
SOLUTION
Refuel
Inspect, clean and/or replace spark
plugs
Set gap to specs or replace plugs
179