Pajero II Workshop Manual 1991 · FUEL · страница 188 из 339 · Открыть оригинал PDF ↗

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EGR CONTROL SOLENOID VALVE

Pfuoioi

OPERATION

The EGR control solenoid valve is a duty control
type solenoid valve.It makes control by leaking
EGRvalveoperating negative pressuretothe
throttle body A port:

Power supplyfromthe battery is sent through the
control relay to the EGR control solenoid valve
When the engine control unit turns off the power
transistor inside the unit, current no more flows
through the coil and EGR valve operating negative
pressure leaks.

TROUBLESHOOTING HINTS

If the results of EGR control solenoid valve on-vehicle
and off-vehicle inspections are normal but the self-
diagnosis code for EGR system failure is displayed,
check the EGR valve, vacuum hose and EGR passage
for blocking

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