Polaris RZR Pro R 2022 Owner's Manual page 159

ENGINE PINGS OR KNOCKS
POSSIBLE CAUSE
Poor quality or low octane fuel
Incorrect ignition timing
Incorrect spark plug gap or heat
range
ENGINE RUNS IRREGULARLY, STALLS OR
MISFIRES
POSSIBLE CAUSE
Loose, missing or kinked boost
reference lines
Loose or missing intake system
sensor connections
Fouled or defective spark plugs
Worn or defective spark plug wires
Incorrect spark plug gap or heat
range
Loose ignition connections
Water present in fuel
Low battery voltage
Kinked or plugged fuel tank vent line
or filter
Incorrect fuel
Clogged air filter
Clogged intake pre-filter
TROUBLESHOOTING
SOLUTION
Replace with recommended fuel
Your POLARIS dealer or other
qualified person can assist.
Set gap to specs or replace plugs
SOLUTION
Replace boost reference lines
Inspect connections, tighten or
replace as needed
Inspect, clean and/or replace spark
plugs
Your POLARIS dealer can assist.
Set gap to specs or replace plugs
Check all connections and tighten
Replace with new fuel
Recharge battery to 12.8 VDC
Inspect and replace
Replace with recommended fuel
Inspect and replace clogged/wet air
filter, and also check for obstructed
intake system, debris or cargo
blocking intake vents
Inspect and clean (with soapy water)
or replace
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