Discussion
bought the replacement lambda sensors (< £80 each for genuite NGK parts).
Bought the socket (17mm deep), bought the angle grinder, cut slot into side.
Modified socket is a perfect fit and did the job well.
Reset the ECU.
New sensor seems to be working well.
Engine seems to run much smoother than before, even on cold start.
Need to see if the MPG improves now.....
All told cheaper than £300 + 1 hours labour to fit.
Note that with reading up on the Lambda sensor, it seems that they should be regarded as consumables in the same way as spark plugs. Life expectancy is around 30,000 miles. So at 44k mine were due a change.
Thanks for everyone's input and advice.
Bought the socket (17mm deep), bought the angle grinder, cut slot into side.
Modified socket is a perfect fit and did the job well.
Reset the ECU.
New sensor seems to be working well.
Engine seems to run much smoother than before, even on cold start.
Need to see if the MPG improves now.....
All told cheaper than £300 + 1 hours labour to fit.
Note that with reading up on the Lambda sensor, it seems that they should be regarded as consumables in the same way as spark plugs. Life expectancy is around 30,000 miles. So at 44k mine were due a change.
Thanks for everyone's input and advice.
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