Why Does My Gas Pressure Washer Engine Surge When I'm Not Spraying?

Learn why a gas pressure washer engine surges when the spray gun is released. Understand possible causes, distinguish engine surging from water pressure fluctuations, and review safe troubleshooting checks.

PRESSURE WASHER TROUBLESHOOTING

HouseCraftGuide Editorial Team

10/31/20261 min read

Gas pressure washer engine surging and pump components
Gas pressure washer engine surging and pump components
Comparison of gas pressure washer engine surging and water pressure surging
Comparison of gas pressure washer engine surging and water pressure surging