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engine light and oxygen sensor

  • 11-11-2012 10:07am
    #1
    GullibleOne
    Registered Users, Registered Users 2 Posts: 132 ✭✭


    Say a car has a yellow engine light on and a garage idientifies it as oxygen sensor and ' clears the fault'. If the light stays off is it OK?

    is it hard to fit and oxygen sensor on a 01 fiesta zetec?


Comments

  • #2
    Atlantic Dawn
    Registered Users, Registered Users 2 Posts: 85,547 ✭✭✭✭Atlantic Dawn
    GDY151


    99% sure it will come on again especially if it's the original sensor. The biggest job is usually taking the old one out, if it comes out easy the job is like fitting a sparkplug, if not it can require a heat torch to get it out. Theres usually 2 sensors on a car, one pre exhaust and one post, the fault code will determine which it is.

    If fitting yourself theres two types, a universal one which will require splicing wires to fit, then theres a non splice version which is just plug and play which is what I would go with.


  • #3
    dieselbug
    Registered Users, Registered Users 2 Posts: 1,104 ✭✭✭dieselbug


    Did the garage give you the fault code or any other info?
    Just because the fault refers to the lambda dosent necessarily mean the sensor is at fault. Lots of oxygen sensors are replaced when all they are really doing is reporting what they are seeing. ie the symptom and not the cause.


  • #4
    GullibleOne
    Registered Users, Registered Users 2 Posts: 132 ✭✭GullibleOne


    dieselbug wrote: »
    Did the garage give you the fault code or any other info?
    Just because the fault refers to the lambda dosent necessarily mean the sensor is at fault. Lots of oxygen sensors are replaced when all they are really doing is reporting what they are seeing. ie the symptom and not the cause.
    no


  • #5
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    I'd be looking for a garage who can do more then just read and delete a fault code.

    If a fault came up then something is wrong to have triggered the fault, even if its intermittent. The garage should have been able to test and tell you exactly what is the issue with your lambda as there are various 'lambda' faults which can indicate several issues which may or may not be an actual problem with the lambda itself.


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