mot fail high emissions

[davethediscoman]

hi all need help as failed on high emissions  fast idle 2.99% co hc 876 ppm .fail
second fast idle 1.76 %co hc 250ppm fail
natural idel 0.01 %    pass

[davethediscoman]

it does use about a ltr of oil over 1000 miles but always has .

[Carolyn]

That oil has (probably) finally done for your main cat.

[davethediscoman]

but i have no warning lights on or fault codes .and last year was well below .only use it in the summer months so would it standing over winter have made any difference

[Carolyn]

How do you know it was good when you parked it up?

High Co won't throw a code.

You've had my ten penn'orth.

[davethediscoman]

i suppose i dont know it was ok when i took it off the road in sep .