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code codes 47 57

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    V6 Auto Error Codes 47 & 57

    I keep getting Error Codes 47 (No x18 Ref Signal) & 57 (Injector Voltage Low) everytime the car goes for a drive. Every now and then (5min or up a week of driving) the engine would stall and take a few minutes to restart. Tried reseating the PCM connectors, the memcal chip, the BCM connectors...