January 10, 2024

Gas Pressure Washer: What routine maintenance does my pressure washer need?

Tune up the pressure washer engine each year to help the engine run smoothly. The tune-up includes changing the oil, replacing the spark plug and replacing the air filter. Add fuel stabilizer to the gas tank before storing the pressure washer for winter so the fuel stays fresh. You'll also need to inject pump saver into the water pump to help prevent pump damage when storing the pressure washer for the winter.

gas pressure washer

THESE REPAIRS MAY HELP SOLVE YOUR GAS PRESSURE WASHER PROBLEM

JC-PW-Tune-up-the-pressure-washer-engine

Tune up the pressure washer engine

A tune-up restores the pressure washer's engine to its peak operating condition. A tune-up includes changing the oil, cleaning the engine, replacing the air filter, checking the ignition system, inspecting the carburetor, adjusting the throttle and choke controls, and adjusting and lubricating all moving parts.

Tune up the pressure washer engine

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Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty
Time required
 15 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to replace a pressure washer pump

How to replace a pressure washer pump

The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the ch…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your pressure washers

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

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Tapping into a new feature in the Search Bar on Sears PartsDirect

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Top questions about Sears and Sears PartsDirect

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