37
8. TROUBLESHOOTING
Problem Possible Cause Solution
Engine will not
start
No gasoline
Engine oil low
Choke is in the incorrect
position
Water pressure built up
after two recoil pulls
Spark plug cap
disconnected
Fouled spark plug
Add fuel
Add engine oil
Move choke to the Start
position
Squeeze the trigger after
each failed recoil start to
release the pressure
Connect spark plug cap
Replace spark plug
Engine hard to
start
Stale fuel or water in fuel Drain fuel and refill with
fresh gas
Engine lacks
power and
vibrates
excessively
Choke in the Start
position
Dirty air filter
Move choke to the Run
position
Clean air filter
Not reaching
high pressure
Low pressure black
detergent nozzle is
attached
Low water supply
Water supply is restricted
Water inlet filter is
clogged
Nozzle obstructed
High pressure hose is too
long
Remove and attach a high
pressure nozzle
Water supply must be at
least 5.0GPM @ 30 PSi
from a 1/2" diameter hose
minimum
Check hose for leaks, kinks,
or blockages. Ensure the tap
is all the way open.
Remove filter and rinse in
warm water. Reinstall.
See nozzle cleaning
instructions
Max high pressure hose of
100 feet (30m)
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