[DML] Failed emissions: NOx

[deloreanernst@xxxxxxx]

Never had any emissions problems before with my D, but a week ago I failed 
for NOx. The usual culprits, I'm told, are the lambda sensor or the cat. conv. 
The sensor is only about 2 years old, so presumably ok. Not a good time 
budget-wise to replace the cat on an otherwise good running, good sounding (& 
smelling) car. Anybody had any success with engine additives, just to get me thru 
inspection?  Or is NOx not something you can resolve other than by replacing the 
cat? :(

Wayne A. Ernst
11174
Bridgeton, NJ  


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