1989-Mitsu-Factory Manual · fuel system · страница 18 из 53 · Открыть оригинал PDF ↗
CARBURETOR SECONDARY VALVE OPERATION N14FOAAa
(1) Remove the air cleaner assembly.


(2) Disconnect the secondary valve vacuum hose from the car-
buretor throttle body and connect a hand vacuum pump to
the disconnected end of hose.



(3) With a vacuum of 13.3 kPa (1.9 psi) applied by the vacuum
pump, fully open the primary throttle valve and check that
the secondarythrottlevalve also opens fully.
Vacuum is not held in depression Replace depression chamber
chamber (vacuum leaks)
Vacuum is held but secondary Clean secondary throttle valve
valve does not operate and related parts

CARBURETOR ACCELERATION PUMP NMFPUv
(1) Remove the air cleaner assembly cover.
(2) While opening the choke valve, open the throttle valve and
check that fuel is injected from the pump nozzle.
If fuel is not injected, clean the carburetor fuel passage.

CHOKE VALVE N74FoAAb
Refer to GROUP 0 - Maintenance Service.


