ARCTIC CAT PROWLER PRO Stalling When Warm

Fuel Pump Assembly

Internal motor windings expand at operating temperature, increasing electrical resistance and reducing pump RPM. This results in a fuel pressure drop that fails to meet the ECU's stoichiometric requirements at idle, leading to a stall. Replacing the entire assembly ensures the integrated pressure regulator and pick-up filter are also renewed.

Ignition Coil

Thermal expansion of the coil's secondary windings can cause microscopic cracks in the insulation to open, leading to internal arcing. This degrades spark intensity once the engine is warm, causing incomplete combustion and stalling when the engine is not under load.

SKU: 3307-041

Crankshaft Position Sensor

The sensor's internal magnet or fine-wire pickup often fails when exposed to engine block heat soak. If the sensor loses its ability to track the flywheel's position due to thermal expansion, the ECU will immediately cut fuel and spark as a safety measure, resulting in a sudden stall that typically resolves after a cooling period.