The QX4 code P0158 refers to a problem with the oxygen sensor circuit, specifically indicating a high voltage signal from the downstream oxygen sensor (Sensor 2) of bank 2. This typically suggests that the sensor may be malfunctioning, there could be a wiring issue, or a potential exhaust leak affecting the sensor readings. It is essential to diagnose the specific cause to ensure proper vehicle performance and emissions control.
You need to replace the downstream O2 sensor and have a OBD 2 code reader or scanner to erase the code
Trouble code P0158 means: O2 Circuit High Voltage (Bank 2, Sensor 2)
This p-code is pointing to Oxygen Sensor Bank 2 Sensor 2
o2 Sensor Circuit High Volts (Bank2 Sensor2
Code P0158 means Downstream oxygen sensor maximum voltage monitor fault Code P0159 means Downstream oxygen sensor circuit slow response fault
looking at the car it's on the left side, past the cat, under the air filter box
disconnect positive battery connection for min 5 minutes
location fuses in qx4
Code P1320 on an Infiniti QX4 typically indicates an issue with the ignition timing or the crankshaft position sensor. To fix it, you should first check the crankshaft position sensor and its wiring for any damage or disconnections. If the sensor is faulty, replace it. Additionally, inspect the ignition timing and ensure it is correctly set; adjustments may be necessary. If the code persists after these checks, consult a professional mechanic for further diagnostics.
where is the IAT sensor located on 99 qx4 infiniti
The code to reset the radio is specific to your car. No one will know that code. If you cannot find the code written down somewhere, contact your Buick dealer for instructions on how to get the code. The radio may need to be removed to get the radio serial # and with that the code, or the selling dealer may have it on file.
i want to no how i can oprate my nvigation system on my qx4 2001 ples how i can play the navigation system on my qx4 2001 infinti car