Hi, so on my drive home I had a nice visit from the check engine light, have a had ecu on and getting p0171 which as far as we have looked up could be a number of things, currently checking oxygen sensor, are these easy to replace your self or is it a garage job.... Are the easy to get hold of?

Many thanks

 

 

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Www.importcarparts.co.uk should have what you need, relatively simple job if you can get to it, usually a 22mm spanner unplug the electrical connector and remove

 

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Thank you that's really helpful

 

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Rule out MAF (thorough maf clean), air leaks and fuel supply before spending on likes of a front lambda (don't buy cheap ones).