Mitsubishi Eclipse. Manual — part 706
EMISSION CONTROL
TSB Revision
ENGINE AND EMISSION CONTROL
17-105
<3.0L ENGINE>
COMPONENT LOCATION
M1173007500186
AK300573
FUEL TANK DIFFERENTIAL
PRESSURE SENSOR
LIQUID SEPARATOR
EVAPORATIVE
EMISSION
CANISTER
EVAPORATIVE
EMISSION
PURGE
SOLENOID
ON: OPEN
ECM <M/T>
PCM <A/T>
INTAKE AIR TEMPERATURE
SENSOR
ENGINE COOLANT
TEMPERATURE SENSOR
VOLUME AIRFLOW SENSOR
FUEL
TANK
MFI RELAY
FUEL OVERFLOW
LIMITER VALVE
FUEL CUT
OFF VALVE
LEVELING VALVE
EVAPORATIVE EMISSION
VENTILATION VALVE
AIR FILTER
EVAPORATIVE EMISSION
VENTILATION SOLENOID
ON: CLOSED
AB
BAROMETRIC PRESSURE
SENSOR
AK103688
EVAPORATIVE EMISSION
PURGE SOLENOID VALVE
<2.4L ENGINE>
AD
AK103743AF
EVAPORATIVE EMISSION
PURGE SOLENOID VALVE
<3.0L ENGINE – WITHOUT IMT>
AK102961
AC
EVAPORATIVE EMISSION PURGE
SOLENOID
<3.0L ENGINE – WITH IMT>
AKX01305
EVAPORATIVE EMISSION
VENTILATION SOLENOID
FUEL TANK
AC
EMISSION CONTROL
TSB Revision
ENGINE AND EMISSION CONTROL
17-106
PURGE CONTROL SYSTEM CHECK (PURGE FLOW CHECK)
M1173001400222
Required Special Tool:
MB995061: Purge Flow Indicator
1. Disconnect the purge hose from the evaporative emission
(EVAP) purge solenoid, and connect special tool MB995061
between the EVAP purge solenoid and the purge hose.
2. Before inspection and adjustment, set the vehicle in the
following conditions:
• Engine coolant temperature: 80 − 95°C (176 − 203°F)
• Lights, electric cooling fan and accessories: OFF
• Transaxle: Neutral (A/T − P range)
3. Run the engine at idle for more than four minutes.
4. Check the purge flow volume when engine is revved
suddenly several times.
Standard value: Momentarily 20 cm
3
/s (2.5 SCFH) or
more.
AK300654
THROTTLE BODY
INTAKE MANIFOLD
FROM
AIR CLEANER
TO
COMBUSTION
CHAMBER
OFF
ON
EVAPORATIVE EMISSION
PURGE SOLENOID
(ON: OPENED)
PURGE
FLOW
INDICATOR
(MB995061)
PURGE HOSE
EVAPORATIVE EMISSION
CANISTER
AB
EMISSION CONTROL
TSB Revision
ENGINE AND EMISSION CONTROL
17-107
5. If the purge flow volume is less than the standard value,
check it again with the vacuum hose disconnected from the
EVAP canister. If the purge flow volume is less than the
standard value, check the vacuum port and the vacuum
hose for clogging. Also check the EVAP purge solenoid. If
the purge flow volume is at the standard value, replace the
EVAP canister.
EVAPORATIVE EMISSION PURGE SOLENOID
CHECK
M1173001700212
1. Remove the air intake hose <2.4L ENGINE>.
2. Disconnect the vacuum hose (black, black with red paint
mark) from the evaporative emission (EVAP) purge
solenoid.
NOTE: When disconnecting the vacuum hose, always place
an identification mark so that it can be reconnected at its
original position.
3. Disconnect the harness connector.
4. Connect a hand vacuum pump to nipple (A) of the EVAP
purge solenoid (refer to the illustration at left).
5. As described in the chart below, check airtightness by
applying a vacuum with voltage applied directly from the
battery to the EVAP purge solenoid valve and without
applying voltage.
6. Measure the resistance between the terminals of the EVAP
purge solenoid.
Standard value: 30
− 34 Ω [at 20°C (68°F)]
7. Replace solenoid if resistance is out of specification.
VOLUME AIRFLOW SENSOR CHECK
M1173007900496
<2.4L ENGINE>
To inspect the sensor, refer to GROUP 13A, Multiport Fuel
Injection (MFI) <2.4L>
− Multiport Fuel Injection (MFI) Diagno-
sis
− Diagnostic Trouble Code Chart
.
BATTERY POSITIVE
VOLTAGE
NORMAL CONDITION
Applied
Vacuum leaks
Not applied
Vacuum maintained
AKX01308 AB
A
B
AKX01309
EMISSION CONTROL
TSB Revision
ENGINE AND EMISSION CONTROL
17-108
<3.0L ENGINE>
To inspect the sensor, refer to GROUP 13B, Multiport Fuel
Injection (MFI) <3.0L>
− Multiport Fuel Injection (MFI) Diagno-
sis
− Diagnostic Trouble Code Chart
.
BAROMETRIC PRESSURE SENSOR CHECK
M1173008000247
<2.4L ENGINE>
To inspect the sensor, refer to GROUP 13A, Multiport Fuel
Injection (MFI) <2.4L>
− Multiport Fuel Injection (MFI) Diagno-
sis
− Diagnostic Trouble Code Chart
.
<3.0L ENGINE>
To inspect the sensor, refer to GROUP 13B, Multiport Fuel
Injection (MFI) <3.0L>
− Multiport Fuel Injection (MFI) Diagno-
sis
− Diagnostic Trouble Code Chart
.
ENGINE COOLANT TEMPERATURE SENSOR
CHECK
M1173008100471
<2.4L ENGINE>
To inspect the sensor, refer to GROUP 13A, Multiport Fuel
Injection (MFI) <2.4L>
− Multiport Fuel Injection (MFI) Diagno-
sis
− Diagnostic Trouble Code Chart
.
<3.0L ENGINE>
To inspect the sensor, refer to GROUP 13B, Multiport Fuel
Injection (MFI) <3.0L>
− Multiport Fuel Injection (MFI) Diagno-
sis
− Diagnostic Trouble Code Chart
.
INTAKE AIR TEMPERATURE SENSOR CHECK
M1173008200241
<2.4L ENGINE>
To inspect the sensor, refer to GROUP 13A, Multiport Fuel
Injection (MFI) <2.4L>
− Multiport Fuel Injection (MFI) Diagno-
sis
− Diagnostic Trouble Code Chart
.
<3.0L ENGINE>
To inspect the sensor, refer to GROUP 13B, Multiport Fuel
Injection (MFI) <3.0L>
− Multiport Fuel Injection (MFI) Diagno-
sis
− Diagnostic Trouble Code Chart
.
FUEL TANK DIFFERENTIAL PRESSURE SENSOR
CHECK
M1173007700191
To inspect the sensor, refer to GROUP 13C, Fuel Supply
− Fuel
Tank
− Inspection − Fuel Tank Differential Pressure Sensor
Check
.
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