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For Bank 2 refers to the bank that includes No. 2 cylinder. DTC P2A00 or P2A03 may be set when the air-fuel ratio is stuck rich or lean. A low A/F sensor voltage could be caused by a rich air-fuel mixture. Check for conditions that would A high A/F sensor voltage could be caused by a lean air-fuel mixture. Check for conditions that would Read freeze frame data using the Techstream. Freeze frame data records the engine condition when 1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2A00 AND/OR P2A03) a. Connect the Techstream to the DLC3. b. Turn the ignition switch to ON. c. Turn the Techstream ON. d. Enter the following menus: Powertrain/Engine and ECT/Trouble Codes. e. Read DTCs. Result RESULT REFERENCE HINT: If any DTCs relating to the A/F sensor (DTCs for the A/F sensor heater or A/F sensor admittance) B : GO TO DTC CHART (See DIAGNOSTIC TROUBLE CODE CHART ) A : Go to Next Step 2. INSPECT AIR FUEL RATIO SENSOR (HEATER RESISTANCE) (See INSPECTION PROCEDURE ) NG : REPLACE AIR FUEL RATIO SENSOR (See REMOVAL ) OK : Go to Next Step 3. CHECK HARNESS AND CONNECTOR (ECM - AIR-FUEL RATIO SENSOR) (See INSPECTION PROCEDURE ) Result Proceed To P2A00 and/or P2A03 are output A P2A00 and/or P2A03 and other DTCs are output B
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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