Why is the O2 sensor on my Subaru Outback bad?
Your Outback’s oxygen sensors are responsible for helping to keep your engine running at optimal efficiency. The engine management computer uses the data from all of the O2 sensors to keep the air/fuel mixture optimized. A bad oxygen sensor can affect the mixture greatly.
Why does the Check Engine light come on on an outback?
Oxygen sensors can change the way that your Outback’s engine runs. Most of the time, the check engine light will come on. It’s a good thing that the check engine light would come on, as there is more than one oxygen sensor, and they can be difficult to get to and test.
When is the p0137 O2 sensor signal detected?
Most auto repair shops charge between $75 and $150 per hour. When is the code detected? The P0137 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively low for an extended period of time.
Where is the Diagnostic Code on a Subaru Outback?
The 2005 thru 2009 model year Legacy and Outback can display Diagnostic Trouble Codes (DTCs) directly on the dashboard. No scan tool is needed. No jumper wires are required, and it is not necessary to count blinky lights. The codes are displayed in plain text on the instrument cluster.
Your Outback’s oxygen sensors are responsible for helping to keep your engine running at optimal efficiency. The engine management computer uses the data from all of the O2 sensors to keep the air/fuel mixture optimized. A bad oxygen sensor can affect the mixture greatly.
Oxygen sensors can change the way that your Outback’s engine runs. Most of the time, the check engine light will come on. It’s a good thing that the check engine light would come on, as there is more than one oxygen sensor, and they can be difficult to get to and test.
How to read Diagnostic Trouble Codes ( DTCs )?
Trouble codes from the ECM (Engine Control Module), TCM (Transmission Control Module) and ABSCM/VDCCM (ABS or VDC Control Module) are displayed. This procedure was distilled from the FSM. The English translation in the FSM is not very good, so I have attempted to make it easier to follow.
What does a negative fuel trim percentage mean?
Negative fuel trim percentages indicate the PCM is attempting to lean out the fuel mixture, to compensate for a perceived rich condition. STFT and LTFT percentages are the adjustments made by the PCM to maintain the 14.7:1 ratio.
How does the O2 sensor in AutoZone work?
AutoZone’s aftermarket oxygen sensors can keep your engine running efficiently. The engine computer is responsible for calculating how much fuel the engine needs based on the amount of oxygen in the system, and it relies on a good O2 sensor to function properly.
What are the symptoms of a bad O2 sensor?
Bad O2 sensor symptoms include poor gas mileage, rough engine idle, starting trouble, and even failure of the catalytic converter. Often, the check engine light will come on to provide ODII trouble codes to check with a code reader.
How to check OBD on a Subaru Outback?
Search Subaru emissions drive cycle and you get some hits. Here’s one . 1. Make sure the fuel tank is between one-quarter and three-quarters full; half a tank is ideal. 2. Start the engine and immediately drive the vehicle for at least 15 minutes at a speed greater than 50 mph.
What kind of car is a Subaru Outback?
I recently purchased my first Subaru, a 1996 Outback (red and gray). Love it, except for the fact that I can’t pass inspection. The previous owner had reset the computer because of a CEL for a knock sensor malfunction.