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P0134

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE goes on after two driving cycles Misfiring can occur before trouble code is generated.

P0134


O2S Circuit. No Activity Detected. Sensor 1.


Fault symptoms


CHECK ENGINE goes on after two driving cycles

Misfiring can occur before trouble code is generated.


Conditions

The following conditions apply for this DTC:


Engine running and preheating has been active for 8 min.

Voltage has not been outside the range 0.400-0.600 V.


Or:


Closed loop is active and voltage has not been outside the range 0.400-0.600 V for 10 sec.


Diagnostic help

Fault diagnosis concerns an electrical fault in connecting leads or in the sensor.

Functions in the diagnostic tool related to the fault:


Oxygen Sensor Value, unit V.


See also description of test readings, , for more information.

Checking the wiring

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.