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FLA -278 FUEL SYSTEM 2. Clear DTC with scantool. 3. Start the engine and warm it up until the radiator fan comes on( more than at least 10 minutes). 4. Drive at a steady speed between 45-55 mph(72-88 km/h) for 120 sec. 5. Stop and then maintain idle state. 6. Check if O2 sensor monitoring readiness is complete. 7. Does the scan tool show DTC P0153? YES ▶ Substitute with a known - good PCM and check for proper operation. NO ▶ Troubleshooting is finished. VERIFICATION OF VEHICLE REPAIR EC659C03 Refer to DTC P0151. |