Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1.0 Date: 30/11/2019 Author: ERC Page 343 of 610 Copyright by TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without our consent P013A -00- O2 Sensor Slow Response - Lean to Rich Bank 1 Sensor 2 When an OBD-II equipped vehicle has a stored P013A code, it means that the Engine management system (ECU) has detected a slow response time from the downstream (or post catalytic converter) oxygen (O2) sensor or circuit for engine bank one. Bank 1 specifies the bank of the engine which contains the number one cylinder. Overview: Code Cause Effect on Vehicle Fault Code: P013A-00 1. Defective O2 sensor(s) 2. Burnt, broken, or disconnected wiring and/or connectors 3. Defective catalytic converter 4. Engine exhaust leaks 1. Lowered fuel efficiency 2. A general lack engine performance 3. Other related diagnostic trouble codes may also be stored 4. Check engine lamp illumination Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check for Defective O2 sensor(s) Functionality Step 2 Check for any burnt, broken, or disconnected wiring and/or connectors Functionality Step 3 Check for Defective catalytic converter Functionality Step 4 Check for any Engine exhaust related leaks Functionality Step 5 Check ECU Functionality Circuit Schematic Diagram:
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