Mar 9, 2010 · I just got both P0031 and P0051 codes on my 2014 Tacoma. Figured it was something easy like a relay. On my truck, however there is a second relay box behind the fuse …

Oct 5, 2008 · woohoo! i just fixed my p0051 cel code. it says its in bank 2 sensor 1 but it i replaced the sensor on the other side. bank 2 is on the passenger...

Sep 14, 2019 · AIR FUEL PROBLEMS P0102, p0031, p0051 Discussion in ' 2nd Gen. Tacomas (2005-2015) ' started by Domsulli7, Sep 14, 2019.

FIX FOR P0031 P0051 P0037 P0057 P0430 Discussion in ' 2nd Gen. Tacomas (2005-2015) ' started by toytaco1, Apr 7, 2011.

Jan 8, 2008 · Like the title sais^^^^^^^^^^^^^ Codes P0031 & P0051 I have also checked and its the A/F heater relay and its good.. Any suggestions?

Jan 4, 2016 · P0051 HO2S HEATER CONTROL CIRCUIT LOW (BANK2, SENSOR 1) \\\\\TESTING AN OXYGEN SENSOR HEATER WITH A SCAN TOOL///// Begin by letting your …

Mar 10, 2025 · P0051 - O2 Sensor HO2S Heater Control Circuit Low (Bank 2 Sensor 1) P0057 - O2 Sensor HO2S Heater Control Circuit Low (Bank 2 Sensor 2) P0102 - Mass Air Flow (MAF) …

May 24, 2020 · Conversely, when the heater current is less than 0.8 A, DTC P0031 or P0051 is set. From the service manual: DTC No. P0031 and P0051 DTC Detection Conditions Air-Fuel …

Mar 8, 2019 · I hooked up the code reader and it displayed a code of P0051. which reads Heated Oxygen Sensor Heater control circuit low Bank 2 sensor 1. Should I replace the sensor and if …

Oct 5, 2008 · A leak should no effect on the P0051. Reasons that a P0051 code would be given: Air-Fuel Ratio (A/F) sensor heater current less than 0.8 A (1 trip detection logic) Causes: • …