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Q.
Is any other diagnosis code than P0173 output?
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Inspection chart for diagnosis code (Refer to ).
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- Refer to Data List Reference Table
.
- Item 12: Air flow sensor
- Item 13: Intake air temperature sensor
- Item 21: Engine coolant temperature sensor
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Q.
Are the check results normal?
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Perform the diagnosis code classified check procedure for the sensor that has
shown an abnormal data value (Refer to Inspection Chart for Diagnosis Code ).
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- Refer to Data List Reference Table
.
- Item 25: Barometric pressure sensor
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Q.
Is the check result normal?
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Replace engine-ECU <M/T> or engine-A/T-ECU <A/T>.
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Q.
Is the check result normal?
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Clean throttle body (throttle valve portion) (Refer to ).
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|
Q.
Is the check result normal?
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Q.
Is the check result normal?
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|
- Refer to Data List Reference Table
.
- Item 39: Cylinder 2, 3 oxygen sensor
|
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Q.
Is the check result normal?
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Check cylinder 2, 3 oxygen sensor system (Refer to Code. No. P0150 ).
|
|
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- Check No. 2 and No. 3 Injector itself (Refer to
).
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Q.
Is the check result normal?
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- Check purge control solenoid valve itself (Refer to GROUP 17 - Emission
Control System - Evaporative Emission Control System- Purge Control Solenoid Valve
).
|
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Q.
Is the check result normal?
|
|
Replace purge control solenoid valve.
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|
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|
- Check EGR valve itself (Refer to GROUP 17 - Emission Control System - Exhaust
Gas Recirculation (EGR) System - EGR Valve (stepper motor) Check
).
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Q.
Is the check result normal?
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Replace EGR valve (stepper motor).
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|
- Fuel pressure measurement (Refer to Fuel Pressure Test
).
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Q.
Is the check result normal?
|
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Replace engine-ECU <M/T> or engine-A/T-ECU <A/T>.
|
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|