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TABLE 4. TROUBLESHOOTING GUIDE (Continued)
REMEDY
PROBABLE CAUSE
TROUBLE
1. ENGINE (Continued)
Repair or replace line.
Fuel line pinched
Engine will not start.
Install wires correctly.
Ignition wires incorrectly
Good spark. (Continued)
installed in distributor cap
Reset timing.
Ignition timing incorrect
Remove and clean strainer.
Fuel Strainer Clogged
Clean screen, replace pump if defective.
Fuel pump does not pump
Report to designated
Lack of engine compression
authority.
Reset timing.
Ignition out of time
Backfiring
Install wires correctly.
Spark plug wires incorrectly
installed at distributor cap
or spark plugs
Replace cap.
Distributor cap cracked or
shorted
Report to designated
Valve holding open
authority.
Reset timing.
Improper ignition timing
Engine operates, but
backfires and spits
Install wires correctly.
Spark plug wires incorrectly
installed in distributor cap
Drain and clean carburetor.
Dirt or water in carburetor
Clean and adjust carburetor.
Carburetor improperly adjusted
Report to designated
Carburetor float level low
authority.
Report to designated authority.
Valve sticking or not seating
properly, burned or pitted
Remove carbon from cylinders.
Excessive carbon in cylinders
Report to designated authority.
Valve springs weak
4-69
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