71 - 02 - 00
Page - 71-04
Reissued: August 1, 1986
2H19
CHART 7101. TROUBLESHOOTING (ENGINE) (CONT.)
Low power and uneven run- Leaks in induction system. Tighten all connections.
ning engine. (cont.) Replace defective parts.
Defective spark plugs. Clean or replace spark plug.
Improper grade of fuel. Fill tank with recommended
grade.
Magneto breaker points Clean points. Check internal
not working properly. timing of magneto.
Defective ignition wire. Check wire with electric
tester. Replace defective
wire.
Defective spark plug termi- Replace connectors on spark
nal connectors. plug wire.
Restriction in exhaust Check for loose muffler
system. baffles.
Improper ignition timing. Check magnetos for trim-
ming and synchronization.
Failure of engine to develop Throttle lever out of adjust- Adjust throttle lever.
full power. ment.
Leak in induction system. Tighten all connections, and
replace defective parts.
Restriction in carburetor Examine air scoop and re-
air scoop. move restriction.
Improper fuel. Fill tank with recommended
fuel.
Faulty ignition. Tighten all connections.
Check system. Check igni-
tion timing.
Improper fuel flow. Check strainer, gauge and flow
at the fuel line.
Trouble Cause Remedy
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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