P0134
Read the instructions below then start the fault diagnostic procedure.
Symptom: CHECK ENGINE. Misfiring can occur before trouble code is generated.
P0134 |
Fault symptoms
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CHECK ENGINE.
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Misfiring can occur before trouble code is generated.
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On-Board Diagnostics
Type of diagnosis:- |
Continuous. But interrupted when fault criteria fulfilled and will not restart until next driving cycle.
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Enable criteria:
Test 1: Engine running. Main relay voltage exceeding 10 V. Preheating has been active for more than 8 minutes.
Test 2: Closed loop is active.
Fault criteria:
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Test 1: Voltage has not been outside the range 0.400- 0.600 V.
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Test 2: Closed loop active and voltage has not been outside the range 0.400-0.600 V for 10 s.
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Dependents:
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P1135 and P1136
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System reaction to a fault :
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Closed loop is blocked.
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OK report:
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Test 1 and Test 2 performed once and fault criteria not fulfilled. 60 s. has expired and closed loop is still active. Fault criteria for P0131 or P0132 not fulfilled.
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Fault handling: (See section Fault handling III, other emission-related components and functions for more information.)
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Type III.
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Diagnostic help
Fault diagnosis concerns an electrical fault in connecting leads or in the sensor.Functions in the diagnostic tool related to the fault:
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Diagnostic status for the diagnosis.
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Oxygen Sensor Value, unit V.
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See also description of readings under ” "Read Values" menu for more information.
Note | ||
The oxygen sensor receives reference oxygen from the surrounding air via the connecting cables. For this reason, electrical contact spray or grease must not be used on the oxygen sensor connector. |