Engine Pings Or Knocks; Engine Runs Irregularly, Stalls Or Misfires - Bad Boy Stampede 4x4 Owner's Manual

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AULT ESTING

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
Fouled or defective spark plug
Worn or defective spark plug wires
Incorrect spark plug gap or heat range
Loose ignition connections
Water in fuel
Low battery voltage or defective battery
Kinked or plugged fuel tank vent line
Incorrect fuel
Clogged air filter
Low fuel pressure
Other mechanical failure
Possible Lean Fuel Cause
Low or contaminated fuel
Low octane fuel
Clogged fuel filter
Possible Rich Fuel Cause
Very high octane fuel
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Replace with recommended fuel.
See your BAD BOY OFF ROAD dealer.
Set gap to specs or replace plug.
Inspect, clean or replace spark plug.
Replace.
Set gap to specs or replace plug.
Check all connections and tighten.
Replace with fresh recommended fuel.
Recharge or replace the battery.
Inspect and replace.
Replace with fresh recommended fuel.
Inspect and clean or replace.
See your BAD BOY OFF ROAD dealer.
See your BAD BOY OFF ROAD dealer.
Add or change fuel, clean the fuel system.
Replace with recommended fuel.
See your BAD BOY OFF ROAD dealer.
Replace with lower octane fuel.
Solution
Solution
Solution
Solution