WebMar 13, 2024 · The oxygen sensors sample your car’s exhaust before and after the catalytic converter. In response to the amount of oxygen found in the exhaust, the oxygen sensors output a voltage which can be read with a multi-meter, oscilloscope, or scan tool. WebFeb 1, 2013 · Diagnosing a plugged converter is fairly easy, but diagnosing converter efficiency requires tapping into the OBD II system with a scan tool to check for codes and …
FUEL SYSTEMS : CHAPTER 5 Flashcards Quizlet
Oxygen Storage Capacity (OSC) Scan Tool Test As described under Converter Scan Tool Testing, you can test the storage capacity of the converter using a Scan Tool or a Lab Scope. On newer vehicles, the data is so fast that you should use the Scan Tool, since the connections and setup are much simpler. See more As stated earlier in this manual, the traditional converter tests are not always accurate and much less so on newer vehicles. The best test is to simply watch for the same clues … See more The first capture to the right shows one of the problems with this test. The first 10 seconds of the capture shows the upstream (Channel 1) and downstream (Channel 2) sensor signals at idle. Note that the downstream … See more Test Procedure- Run the engine at 2,000 rpm for 2 minutes and then monitor the upstream and downstream HO²S signals. You can do this with a Scan Tool or a Lab Scope. For each 10 upstream sensor signal switches the … See more As described under Converter Scan Tool Testing, you can test the storage capacity of the converter using a Scan Tool or a Lab Scope. On newer … See more WebAug 26, 2024 · 28 Dislike Share The Automotive Technician 6K subscribers Catalytic Converter Efficiency codes can be tricky to confidently diagnose. Oxygen Storage … submit feedback hub
O2 SENSORS & CATALYTIC CONVERTER DIAGNOSTICS
WebJun 5, 2024 · How to check a catalytic converter in your car? Take a 10-15 minute drive.Use an OBD2 scanner capable of live data readingFind the responsible O2 sensor on the OBD2Your O2 sensor voltage should be around 0.5-0.7V.Make sure to check both O2 banks.Pick any number on the reading, let’s say 0.6. … WebOct 1, 1996 · For the fresh converter, the calculated oxygen storage capacity increased with temperature. The measured amount of fresh oxygen storage at 600°C was close to the theoretical maximum level for the catalyst washcoat tested. After aging for 20 hrs at 800°C, the oxygen storage capacity at 400°C and 500°C decreased significantly. WebFor the fresh converter, the calculated oxygen storage capacity increased with temperature. The measured amount of fresh oxygen storage at 600°C was close to the theoretical … submit field day logs