What does the O2 sensor on a Honda Accord do?
The O2 sensor measures the content of the exhaust coming out of your Accord’s tailpipe and adjusts the air to fuel ratio accordingly based on the information it receives. Over time, the O2 sensor will fail.
How many O2 sensors are in a car?
If a vehicle being serviced is not covered in the charts, inspect the exhaust system in the general locations to find the applicable O2 sensors. NOTE: If equipped with dual exhaust systems, there may be up to 4 or 5 O2 sensors in the exhaust system. Be sure to locate all of them before commencing with any testing or service.
Where are the o2sensors located in the exhaust system?
There are different locations in the exhaust system where O2sensors are positioned. The locations have been given numbers and will be used in the accompanying charts to identify the positions of O2sensors in most vehicles. Due to mid-year production changes or factory inconsistencies, all models may not be covered.
Why does my Honda Accord have a bad O2 sensor?
Your Accord’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.
Where do I find the O2 sensor on my car?
Visit a repair shop if you need help diagnosing or replacing the sensor. Warm up the engine to obtain an accurate reading. Locate the oxygen sensor and wiring harness; the O2 sensor is underneath the vehicle where the transmission meets the engine. Follow the wire back from the sensor to the wiring harness connector.
Can a bad oxygen sensor be a bad engine?
While a rough running engine can be a sign of a bad oxygen sensor, it is often a sign of a misfire as well. Often enough, there won’t be any noticeable signs of a bad oxygen sensor. You’ll go to get an emissions check done, and your Accord fails the test.