P0493 Opel Fan Overspeed
Possible causes
– Faulty cooling fan clutch
– Faulty control unit
– Faulty control unit
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Opel Vehicle:Opel Meriva,Opel Astra,Opel Corsa,Opel Zafira,Opel Omega,Opel Calibra,Opel Vectra