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Home >> Subaru >> 1988 >> XT DL >> Repair and Diagnosis >> Engine Performance >> System >> MPFI CEC System >> Trouble Shooting >> Self-Diagnostic System >> Fail-Safe Function
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Fail-Safe Function

When a part has been judged faulty by the self-diagnostic system, the MPFI control unit generates a signal called the associated pseudo signal. This signal is a fixed value, which allows the vehicle to run until the failed part can be repaired or replaced.