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Benim bildiğim kadarı ile
34*
An open or shorted condition detected in the Speed Control vacuum or vent solenoid circuits. Speed control switch input below the minimum acceptable voltage.*

53*
PCM Internal fault condition detected.*

63*
Unsuccessful attempt to write to an EPROM location by the PCM..*

31*
An open or shorted condition detected in the A/C clutch relay circuit. Insufficient or excessive vapor flow detected during evaporative emission system operation.*

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