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Posted

Evening all.. my friends mini 1.6 just failed its mot on emissions. 
can someone point me in the right direction. Does this sound like lamda sensor failure or cat failure? 
 

thanks!

stu 

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Posted

Morning Stu

Could well be O2 sensors failing that is where I would start but normally they would throw an engine light.

It needs a scan to be sure, could be just general accumulation of wear and tear. Things like MAF, engine EVAP system. Vacuum lines, Air leaks even a compression test 

Good Luck

Dave

  • 1 month later...
Posted

Quick update after a long pause….. 

filled it up with premium unleaded and redex and took it for a run…. Did this all week til it ran through the fuel and then repeated. Took it for an hours drive before the mot and it passed its emissions test. 👍🏻👍🏻👍🏻

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