[urq] Failed NYS enhanced emissions test. Seems to run well though

[steven j]

Vehicle Reading   HC 957 PPM    CO  9.99      Pct.  CO2  8.00
Limit                    HC 220PPM     CO 1.2        Pct. 
 
This might have been before the 'mercedes guy' fiddled with the screws on the black fuel distributor (or there abouts).  So maybe there was a slight improvement over these values.
 
NYS supposedly has a limit where if you spend $450 to fix an emission problem - you get a inspection sticker regardless of the emissions.  This shop is not aware of that however.  But if I'm going to spend $450 I want it to go to the right place.
 
Compression was measured by another shop and is in spec but on the lower side of inspec.  Car doesn't seem to burn any oil.  Cat may be bypassed,  ox sensor may be original.  Runs well but does smell like it's putting out some hydrocarbons.  So I would go for a catalytic converter but probably have to guide my mechanic where to get on for under $270.  Anybody have a good place for a new cat??  Also maybe the cat is the wrong space to invest.  I'll have to let the pros decide but any ideas?  Car runs strong and I'm a little nervous as boost hits 15 pounds.
 
Another contributing problem (but not likely) is the shop had to call me to start the car.  There is this wire i stick into slot #16 (possibly helps the fuel pump).   Problem was supposedly fixed - and it hadn't had to do that but today i did.   Normally I hear a buzzing noise come and go when the car runs (from the rear seat area) but I didn't notice the noise with the wire in - so maybe I'm bypassing something that might reduce fuel metering.
 
steven murray
 
 

		
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