Effectivity 71-00-02
PA-28RT-201T Page 71-02
December 1, 1978
3B15
CHART 7101. TROUBLESHOOTING CHART (ENGINE) (cont.)
Trouble Cause Remedy
Engine starts but fails to Inadequate fuel to fuel mani- Set fuel control in “FULL
keep running. fold valve. RICH” position; turn aux-
iliary pump “ON,” check to
be sure feed lines and filters
are not restricted. Clean or
replace defective components.
Defective ignition system. Check accessible ignition
cables and connections.
Tighten loose connections.
Replace defective spark plugs.
Engine runs rough at idle. Improper idle mixture Readjust idle setting. Turn
adjustment. adjustment screw clockwise
to lean mixture and counter-
clockwise to richen mixture.
Fouled spark plugs. Remove and clean plugs, ad-
just gaps. Replace defective
plugs.
Discharge nozzle air vent Check for bent or loose con
manifold restricted or defec- nections. Tighten loose con
tive. nections. Check for restric
tions and replace defective
components.
Engine has poor accelera- Idle mixture too lean. Readjust idle mixture.
tion.
Incorrect fuel-air mixture, Tighten loose connections.
worn control linkage or re- Service air cleaner.
stricted air cleaner.
Defective ignition system. Check accessible cables and
connections. Replace defec-
tive spark plugs.
Malfunctioning turbo- Check operation; listen for :
charger. unusual noise. Check ex-
haust bypass screw and for
exhaust system defects.
Tighten loose connections.
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
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