Piper Dakota Maintenance Manual page 463

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