TATA BSVI Gasoline_Bifuel Program – EMS ECU Bosch DTC Troubleshooting Service Manual Version: 1.9 Date: 24-01-2022 Prepared By: Veer K. Singh / Prudhvi B Varma Checked By: Yeshwant Jadhav Approved By: Sanjeev M. Document Part No: 2921 02 xxx xxxx Page: 1603 of 1692 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. Step Checks IF YES IF NO 1. Check the Regulator Valve for any damage/ Is there any dirt or Rust on Connector Replace connector / Remove the connector and clean it and refit it tightly Go to step 2 2. Is there any damage / bruising /holes are present in hose pipe? Replace the hose pipe. Go to step 3 3. Is there any damage / loose mechanical fitment of hose pipe? Rectify the mechanical fitment issue. Go to step 4 4 Is there any damage in CNG injectors / injector springs and mechanical fitment of common rail ? Replace the mechanical fitmet issue of common rail / replace the injectors. Go to step 5 5. If the fault still persists Replace the EMS ECU Repeat the above procedure for reconfirmation DTC’s confirmation:- Recheck the fault, fault shall not reappear. Flow Chart:
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