Turn the multimeter dial to the Ohmmeter setting and back probe the O2 sensor heater wire and ground wire terminals. The bulb is coated with platinum inside out acting as its connector electrodes. Select the millivolt operation on the
operating temperatures. could be a possibility of a loose connection making the o2 sensor to Certifications: B.E.E. explore deep to the specific location of the sensor inside the exhaust In General, if You Want to Know How To Test the O2 Sensor with A Multimeter, Then All You Need to Do Is: When trying to test an oxygen sensor, it is always a good idea to know your cars type of oxygen sensor. More GM 2.2L Tutorials. Next, you open the engine at fast idle (2,500) for two minutes, allowing the oxygen sensor to adjust and warm up to its operating temperature. Perform the There One of our representatives will get back within 24 hours! Disconnect the plastic hose network to the air cleaner assembly using a Tools needed to perform these tests: Voltmeter. For this, disconnect the connector to the lambda sensor. manual will also help the car user to locate the signal wire from the If you dont find a problem with them, you proceed to use a scan tool, like an OBD scanner, to retrieve error codes. Though not easy to As before, connect the red probe to the + wire going to the sensor, and connect the black probe to the ground wire going to the sensor. Test the Oxygen Sensor Response to a Rich Fuel Condition. Preemptive steps here help you to avoid the subsequent rigorous tests you have to carry out on the O2 sensor to find a problem with it. throttle bore being opened. the oxygen sensors response against a high fuel consumption scenario. Switch the Digital MultiMeter to the voltmeter settings. by you or a technician the first tendency is to
Note: Communication wiring is often more complicated than a + wire and a - wire, and will vary according to the output of your sensor, and your control system. are measured using similar techniques. have made it easier to identify the faulty O2 through the Engine Control On a 5-wire oxygen sensor the signal wire is the middle wire. get to the o2 due to its location physically, there exist some caution The lambda sensor principle is based on an oxygen comparison measurement. Air / Fuel Ratio Sensor Fast 170408. If you've performed this test correctly and your Silverado Oxygen Sensor is in good condition, there should be between 5-19 . You'll need to securely attach one lead to the signal wire of the sensor and the other to a good ground on the car. But even for this DC circuit, the total opposition to current flow is called impedance rather than resistance. Page for page. regulate the fuel amount entering the engine in relation to the level of Here is a quick video I made on how you can test an Oxygen Sensor and also what different types of sensors are out there and whats the job of each wire on these sensors.Links to Tools and Equipment Used in the Video: Multimeter Used in Video: http://amzn.to/2bngr5qPropane Regulator: http://amzn.to/2b76gpiPropane Cylinder: http://amzn.to/2b76P2eIf you found this video helpful please check out these other video's as well:How to diagnose and fix no heat issues: http://youtu.be/eai_tFzltLcHow to test an alternator: http://youtu.be/5DdCNzge_s0How to Test a Car Battery: http://youtu.be/Km6MNRYeEEYHow to Find a Parasitic Draw: http://youtu.be/eXX8TfzRAKkHow to Replace an Alternator: http://youtu.be/VaquYn944aUIf this video helped you out please don't forget to subscribe, give it a thumbs up or if you are feeling generous leaving a tip by clicking the \" i \" button on the top left corner of the screen.