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DTC P0193: FUEL RAIL PRESSURE SENSOR CIRCUIT HIGH VOLTAGE 1. Turn the ignition switch ON (II). HDS. Is there about 4.77 V or more? YES -Go to step 3. NO -Intermittent failure, the system is OK at this time. Check for poor 3. Try to start the engine when the ambient temperature is 32 °F (0 °C) or more. Does the engine start? YES -Go to step 8. NO -Go to step 4. 4. Turn the ignition switch OFF. PRESSURE SWITCH REPLACEMENT ). 6. Turn the ignition switch ON (II). Is OFF indicated? YES -Replace fuel pressure regulator P1 (see FUEL PRESSURE 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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