Nissan Largo Friends

Hi guys

Largo owner for 12 months. Look for advice on emisson, failed first m.o.t.

Replaced catalytic convertor but emissons are still too high.

Stu

Incorrect fueling, could be the maf or possibly an injector is blocked and a bad spray pattern.
I would get the garage to put a wide band sensor in the exhaust and read the exhaust gases, you should be seeing approx 14.7:1 ratio

Also code read for stored codes
Hutch