Saab 9-5 P0410: Secondary Air Injection System → Malfunction

P0410 is a generic OBDII trouble code.  This means that it has the same meaning for the Saab 9-5 as it would any other vehicle.  It is letting you know that there is an issue with the secondary air injection system. P0410: Secondary Air Injection System → Malfunction  The secondary air injection system injects air … Read more

Saab 9-5 P0506: Idle Air Control – RPM Lower than Expected

  P0506 is a common OBDII trouble code. It is typically triggered when the engine idle speed is lower than the predetermined limit set by the manufacturer. It is a generic code, which means that it has the same meaning for the Saab 9-5 as it would any other vehicle.    P0506 Symptoms:  9-5 Most … Read more

Saab 9-5 P0505: Idle Air Control System- Malfunction

P0505 is an OBDII code that deals with the idle air control system in the Saab 9-5.  It’s a generic code, which means that it has the same meaning for the 9-5 as it would any other vehicle (9-5 or not). P0505:  Idle Air Control System:  Malfunction When P0505 is triggered, it is typically caused … Read more

Saab 9-5 P0158: Oxygen Sensor High Voltage (Bank 2 -Sensor 2)

  P0158 is an OBDII code that occurs in many vehicles, including the Saab 9-5. The code is triggered when: The voltage at the O2 sensor remains above threshold for 20 seconds or more Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself There are also some less likely problems … Read more

Saab 9-5 P0157: Oxygen Sensor Low Voltage (Bank 2 -Sensor 2)

P0157 is a common OBDII code that occurs in the Saab 9-5, it’s a general code (this means that it has the same meaning for any vehicle). This code typically indicates that there is an issue with the wiring or harness going to the sensor, or the sensor itself is bad.  There are other things that … Read more

Saab 9-5 P0153: Oxygen Sensor Slow Response (Bank 2 – Sensor 1)

    P0153 is a common OBDII code that occurs in many vehicles, including the Saab 9-5. The code is triggered when there is an issue with the response time from the O2 sensor when switching voltage levels. The Oxygen sensor is responsible for helping the ECM monitor oxygen levels in the exhaust in order to … Read more

Saab 9-5 P0402: EGR → Excessive Flow Diagnosis

  P0402 is an OBDII trouble code that’ll pop up in the Saab 9-5. It has to do with the emissions system and stands for: P0402: EGR → Excessive Flow Diagnosis The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. The amount of gas … Read more

Saab 9-5 P0139: O2 Sensor Slow Response (Bank 1 -Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Saab 9-5. The code is triggered when there is an issue with the response time from the oxygen (O2) sensor when switching voltage levels. The Oxygen sensors are responsible for helping the ECM meter oxygen levels in the exhaust, and helping to … Read more