Civic L4-1.3L Hybrid (2008)
1. Disconnect the 2P connector from EGI sensor 2. (The sensor is installed in the bottom of the radiator, on the driver's side of the vehicle.)
2. Check for corrosion or looseness of the electrical terminals on ECT sensor 2 and its 2P connector:
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If all of the terminals are clean and tight, go to step 3.
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If terminals on the sensor are corroded or loose, but the terminals in the 2P connector are clean and tight, replace ECT sensor 2, then go to step 3.
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If the terminals in the 2P connector are loose or corroded, replace EGI sensor 2 and its wire harness, then go to step 3.
3. Update the PGM-FI software with the HDS. Refer to Service Bulletin 01-023, Updating Control Units/ Modules.
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