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19. Update the PCM if it does not have the latest software (see UPDATING THE PCM ), or substitute a known-good PCM (see SUBSTITUTING THE 20. Check for Temporary DTCs or DTCs with the HDS. Is DTC P1187 indicated? YES -Check for poor connections or loose terminals at the FTT sensor and the NO -If the PCM was updated, troubleshooting is complete. If the PCM was DTC P1188: FTT SENSOR CIRCUIT HIGH VOLTAGE 1. Turn the ignition switch ON (II). Is about -40°F (-40 °C) or less, or 4.92 V or more indicated? YES -Go to step 3. NO -Intermittent failure, the system is OK at this time. Check for poor 3. Turn the ignition switch OFF. NOTE: Before you troubleshoot, record all freeze data and any on-
2008 Honda Civic GX 2006-08 ENGINE PERFORMANCE Fuel Supply System - Civic GX
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