Sunday, November 20, 2011

Electronic Control Unit (ECU) life span ?

I own a Ford Focus 1.8 petrol Ghia 1999 reg.


I read somewhere that the engine ECU lasts for about 3 - 5 years. Can someone please clarity roughly how long / number of miles I can expect it to last ?|||it should outlive ur motor, no reason for it to burn out,|||There is no real set limit. It depends on how it is used and abused. My last vehicle lasted 500,000 miles and no electronic problems (ecu's or sensors). This new one had two sensors fail under warranty (now has over 200,000 miles). So the 3-5 years means it should last what they think you'll own the car for and then trade for another.|||I'm not sure about ECU on Fords, but i drove a Vauxhall for over 18,000 miles and a Honda that did 210,000 miles neither of which had the ECU replaced.|||ECU's are made to withstand a lot of abuse. Dust, vibrations, heat extremes and high electrical noises. ECU damage is usually caused by faults with other components such as electrical shorts, or physical damage such as water.


As such, an ECU will, as mentioned by others, outlast the car.|||There is no reason why you should worry about this, normally the ecu will out last the rest of the car.


Ja.|||It's an electronic component so should last indefinately.(No moving parts to wear out) You can get rogue ones though! My wifes Ford Ka E.C.U failed at 14000miles! Ford warranty didn't want to know! The Ka was three weeks over warranty!


It cost me the Princely sum of 拢563!!!! I was really p*ssed off!


I wouldn't worry about it too much as It doesn't seem to be a common failure!

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