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owners manual Mitsubishi Eclipse
owners manual Mitsubishi Eclipse - year of production: 1995, 1996, 1997, 1998, 1999 - Mitsubishi Eclipse II technical information manual EN
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from owners manual to the vehicle Mitsubishi Eclipse, year of production 1995 - 1999:
I-60 ENGINE - Emission Control System
EXHAUST GAS RECIRCULATION (EGR) SYSTEM N71APO4AA
The exhaust gas recirculation (EGR) system lowersThe EGR flow rate is controlled by the EGR valve
the nitrogen oxide(NOx) emission level. When theso as not to decrease the driveability.
air/fuel mixture combustion temperature is high, a The EGR system contents:
large quantity of nitrogen oxides (NOx) is generatedl EGR tube
in the combustion chamber. Therefore, this system
l EGR valve
recirculates part of emission gas from the exhaust
port of the cylinder head to the combustion chamber l Electronic EGR transducer (EET)
l Connecting hoses
through the intake manifold to decrease the air/fuel
mixture combustion temperature, resulting in reduc-
tion of NOx.
OPERATION
The electronic EGR transducer (EET) contains an
ducer. When the PCM energizes the solenoid and
electrically operated solenoid and a back-pressureback-pressure closes the transducer bleed valve,
transducer. The PCM operates the solenoid. The
vacuum flows through the transducer to operate
PCM determines when to energize the solenoid.
the EGR valve.
Exhaust system back-pressure controls the trans-
ducer. Energizing the solenoid, but not fully closing the
transducer bleed hole (because of low back-pres-
When the PCM energizes the solenoid, vacuum
sure), varies the strength of vacuum applied to the
does not reach the transducer. Vacuum flows to
EGR valve. Varying the strength of the vacuum
the transducer when the PCM energizes the sole-
changes the amount of EGR supplied to the engine.
noid. When exhaust system back-pressure becomes
This provides the correct amount of exhaust gas
high enough, it fully closes bleed valve in thetrans-recirculation for different operating conditions.
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year of production from: 1995
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Mitsubishi Eclipse II technical information manual
pages 78 - 84
Mitsubishi Eclipse II technical information manual
page 81 / 381
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