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Failed MOT need advise

tripdiesel

Leon Cupra R 225
Mar 21, 2009
162
0
Isle of Wight
I failed my MOT today on my 04 LCR

It failed on emissions, the results where


FAST IDLE
CO: 1.174 MAX 0.3 FAIL
HC: 106 MAX 200 PASS
LAMBDA: 0.972 0.970-1.030 PASS

2ND FAST IDLE
CO: 0.817 MAX 0.3 FAIL
HC: 151 MAX 200 PASS
LAMBDA: 0.971 0.970-1.030 PASS

NATURAL IDLE

CO: 0.964 MAX 0.5 FAIL


Now im not sure what the problem is the car is tuningwise standard with a stage 1 Revo Map.

Any advise would be appriecated as need to fix this asap.
 

tripdiesel

Leon Cupra R 225
Mar 21, 2009
162
0
Isle of Wight
Hello ape fella, the mapping was done by JKM in portsmouth and High CO readings do suggest a rich mixture, but i have no way of checking this do i?
 

tripdiesel

Leon Cupra R 225
Mar 21, 2009
162
0
Isle of Wight
Well it was going well until someone went into the back of me on the way to the MOT and then picking it up to find its failed kinda made it a perfect day.