Table of Contents
Advertisement
inn'ltirm
malfunction.
Cranks
•
No fuel in tank.
•
No fuel
•
flooded.
•
No
at
Troubleshooting
Won't Start
Idles Roughly,
.. Idle speed incorrect.
•
malfunction.
•
Low
co!mp,re~;sic)n
•
Rich mixture.
., Lean mixture.
•
Air cleaner cicigged.
•
Intake
leak.
•
Fuel contaminated.
•
Carburetors
or Runs Poorly
Mixture: Insufficient Fuel To The Cylinders
•
Carburetor fuel
•
Vacuum
stuck.
•
fuel pump or fuel pump cam lobe.
•
cap vent blocked.
•
Fuel
•
line kinked
restricted.
•
Fuel
blocked.
•
Carburetor fuel inlet filter screen clc!gged.
•
Carburetor needle and seat stuck closed.
•
Float level too low.
•
Air intake lock.
Mixture: Excessive Fuel
•
Choke stuck closed.
•
Float level set too
or float
~tit'kinn
•
Needle and seat
or worn.
•
Carburetor air
•
Air cleaner Clc>ggied,
The Cylinders
During Acceleration
•
malfunction.
•
air cutoff valve or accelerator pump.
Backfiring
•
malfunction.
•
Carburetor malfunction.
•
air cutoff
or accelerator pump.
Performance (DriveabHity) And Poor Fuel Economy
•
Air cleaner clclgged.
41
malfunction.
•
Faulty accelerator pump.
4..3
Advertisement
Table of Contents
Troubleshooting
