Hi All
My car has failed its MOT on emissions, reading as follows:
Fast Idle Test
CO - MAX 0.20% 0.32% FAIL
HC - MAX 200ppm 101ppm PASS
Lambda - 0.97-1.03 0.99 PASS
Second Fast Idle Test
CO - MAX 0.20% 0.30% FAIL
HC - MAX 200ppm 21ppm PASS
Lambda - 0.97-1.03 0.99 PASS
Natural Idle Test
CO - MAX 0.30% 0.28% PASS
The car is an 05 DE zed with 85k miles. I have owned the car for 4 years, and the Cats or sensors in the exhaust have not been changed in this time.
The garage were quick to suggest that new cats are required, can anyone shed any light on this? If this is the case I will probably opt for some high flow cats and hope that they will pass.
The ECU light is not on and I dont believe there is any fault codes. Any suggestions as to anything else to try other than cats? The car seems to be running well.
As a note the car was running on Shell V Power and the car had a good drive immediately before being tested.
Cheers,
Sam