Troubleshooting

Symptom

Possible Cause

Solution

 

 

 

 

 

Engine won't start.

1.

No fuel.

1.

Add fuel.

 

2.

Cold weather has made fuel and oil overly

2.

Move the machine into a warm area and allow the

 

 

adhesive.

 

engine block to warm up before returning to work

 

 

 

 

area to start.

 

3.

Fuel valve is closed.

3.

Open fuel valve.

 

4.

Air filter is clogged.

4.

Clean air filter.

 

5.

Water pressure has built up in the pump.

5.

Release water pressure by squeezing spray gun trig-

 

 

 

 

ger.

 

6.

Internal engine components have failed.

6.

Refer to engine manual or see a qualified technician

 

 

 

 

for repair.

 

 

 

 

 

Engine starts, but

1.

The fuel filter or fuel line is clogged.

1.

Clean the fuel filter or clear the fuel lines.

runs poorly.

2.

The fuel valve is partially closed.

2.

Fully open the fuel valve.

 

3.

Low quality or contaminated fuel.

3.

Replace with a clean, quality diesel fuel.

 

4.

Air filter is dirty.

4.

Clean air filter.

 

5.

Engine speed is too slow.

5.

Increase throttle setting.

 

6.

Internal engine components are worn or

6.

Refer to a qualified technician.

 

 

have failed.

 

 

 

 

 

 

 

No, or low, water

1.

Low water supply.

1.

Water supply must flow at least 5 GPM.

pressure.

2.

Low pressure nozzle attached.

2.

Attach a higher pressure nozzle.

 

3.

Leak at high pressure hose fitting.

3.

Tighten or replace fitting as necessary.

 

4.

Input hose filter screen clogged.

4.

Remove and clean filter.

 

5.

Engine is not in high throttle position.

5.

Increase engine speed with throttle lever.

 

6.

High pressure hose is too long.

6.

Use high pressure hose under 100 ft.

 

7.

Engine or pump components are worn or

7.

Refer a qualified technician for repair.

 

 

have failed.

 

 

 

 

 

 

 

Will not draw chemi-

1.

Spray gun does not have low pressure

1.

Attach low pressure nozzle.

cals.

 

nozzle attached.

 

 

 

2.

Chemical filter clogged.

2.

Clean filter.

 

3.

Chemical hose and filter not fully sub-

3.

Be sure chemical hose and filter stay fully sub-

 

 

merged in chemical.

 

merged in chemical.

 

4.

Chemical is too thick.

4.

Dilute chemical. Chemicals should be the consis-

 

 

 

 

tency of water.

 

 

 

 

 

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H8191 3600 PSI Diesel Pressure Washer

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Grizzly H8191 owner manual Troubleshooting, Symptom Possible Cause Solution