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Diagnostic fault reset, when does fault re-appear?

  • 26-08-2011 8:24pm
    #1
    pARTner81
    Registered Users, Registered Users 2 Posts: 209 ✭✭


    So I was wondering, if I went to look at a car that I wanted to buy and the seller had reset, let's just say for example the engine management light, how long, time or mileage would it take for the fault to re-appear, the engine management light.


Comments

  • #2
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    It depends entirely on the fault. If its a present, permanent fault then it would come back on straight away, If it had an intermittent fault then it could come on in half an hour or a week.


  • #3
    pARTner81
    Registered Users, Registered Users 2 Posts: 209 ✭✭pARTner81


    Nissan doctor wrote: »
    It depends entirely on the fault. If its a present, permanent fault then it would come back on straight away, If it had an intermittent fault then it could come on in half an hour or a week.

    Ok, good to know. So there's not much you can do if you buy a vehicle and the engine light comes on after the transaction!


  • #4
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    pARTner81 wrote: »
    Ok, good to know. So there's not much you can do if you buy a vehicle and the engine light comes on after the transaction!


    You have no legal comeback. But if you have access to even a fairly simple code reader you could see if the ecu has any stored or intermittent faults.


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