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for diagnosis only when KOEO ON-DEMAND SELF-TEST and KOER ON-DEMAND SELF-TEST result in CLEARING CODES PCM Reset Procedure After a PCM reset procedure has been performed, the following conditions will be met: z All DTCs will be cleared from PCM memory. z All freeze frame data will be cleared from PCM memory. z Diagnostic monitoring results will be cleared from PCM memory. z OBD-II system monitor status will reset. z DTC P1000 will be set in PCM memory until all OBD-II system monitors or components have been To perform PCM reset using scan tool, follow scan tool manufacturer's operating instructions. If after clearing Keep Alive Random Access Memory Reset Procedure 1. Resetting Keep Alive Random Access Memory (RAM) will return PCM memory to its default setting. Adaptive learning contents such as idle and fuel trim are included. PCM reset procedure is part of keep 2. After keep alive RAM has been reset, engine must idle for 15 minutes to learn new idle air trim values. Idle quality will improve as strategy adapts. Adaptation occurs in 4 separate modes. See IDLE AIR CAUTION: DO NOT disconnect vehicle battery to clear DTCs. This will erase operating information from keep alive RAM. To clear keep alive RAM, CAUTION: When battery is disconnected, vehicle computer may lose memory data. Driveability concerns may exist until computer systems have completed a
2003 Ford Pickup F150 2003 ENGINE PERFORMANCE Self-Diagnostics - CNG, Flex-Fuel & Gasoline
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