WebApr 29, 2024 · Well, replaced the downstream O2 sensor on Cat Converter last night, and then disconnected the battery for couple minutes to erase the codes. Have done 3 trips, each about 6 miles,and the check engine light hasn't come on yet. WebNov 30, 2008 · All I can tell you is that code P0138 says - O2 Circuit High Voltage (Bank 1, Sensor 2). Sounds to me you have a problem with a bad O2 sensor. Bernie
P0138 OBD-II Trouble Codes: O2 Sensor Circuit High
WebJun 23, 2024 · Diagnostic trouble code (DTC) P0138 stands for O2 Sensor Circuit High Voltage (Bank 1, Sensor 2). The code will set when your car’s primary computer—also called the powertrain control module … WebApr 18, 2024 · Problem: P0132 and P0138 codes. My ODBII Live Data feed show both Aft and Fore O2 sensors flat lining at 1.270 vdc. This is the same reading I get when the Engine is not running but in the On position (as expected). Work: Tested my ODBII reader on three cars and the Live Data feed feature is working fine. Replaced both O2 sensors with … bishop anthony educational trust
96 Ram 1500, 5.9 litre. code PO138 sensor circuit - Fixya
WebSep 17, 2012 · There are many components working simultaneously to monitor and correct emission problems. Our vid P0138,P0139 Diagnosis from Hell Part 1 2i Causes and Fixes Honda P0138 … WebMar 3, 2024 · 17,661 Posts. #2 · May 8, 2024. Both upstream and downstream O2 sensor heaters are showing a 'circuit high' fault and may be related. The tests are the same for both symptoms. High is usually an 'open' circuit and low is usually a 'short' circuit (to ground). Look at the 'Possible Causes' and rule out what you can. Web17,970 Answers. P0138 is a high voltage output on bank 1 sensor 2 (bank 1 is the same side as #1 clyinder, sensor 2 is after convertor) I would check for a rich fuel/air mixture causing the cat to overload. Need replace it. Hope this help (remember rated this post). Posted on Apr 16, 2010. dark forces star wars game