Well, the wagon I bought from Tony failed kinda marginally on hydrocarbon emissions (2-speed idle test since it's dyno exempt) and miserably on CO.

 

My readings were around 300 ppm for hydrocarbons, both tests, and 6% CO during the cruise test. Idle is whatever the car idles at, 1100RPM limit; cruise is around 2500 RPM (close as the inspector can manage). The limits are 220ppm HC and 1.20% CO...I can either pay a $40 fine every 2 years and reregister the car...or get a shop to put $660 into it and qualify for a waiver...or figure out some way to get the darned thing to pass.

 

Any ideas?

 

Thanks...

 

Andrew

Thanks for telling us what year and model you are dealing with, but if you could pose the questions more coherently, we'll do more than throw out lame quesses.

It's an '88 GL-10 Turbo. I failed emissions and need to get the hydrocarbons and CO down below the acceptable limits, as stated above.

 

The two-speed idle test requires the inspector to obtain an average reading from exhaust gases over 2.5 minutes of run time--once at idle, not to exceed 1100 RPM, and once in "cruise" mode at or near 2500RPM.

 

My readings were:

 

Cruise mode:

HC result 295 parts per million

HC limit 220 ppm

Fail

 

CO result: 6.1%

CO limit: 1.20%

Fail

 

Idle mode:

RPMs: 950

RPM Limit: 1100

Pass

 

HC results 264 ppm

HC limit 220 ppm

Fail

 

CO result: .8%

CO Limit: 1.20%

 

As the title suggests the car has a straight 2.5" exhaust on it and a couple of other modifications that will not affect emissions performace. It's had a recent tuneup and the block was built (I was told with emissions in mind) less than 7K ago.

 

Also as the title suggests, it's a standard Subaru turbo wagon...this is the old gen forum, chances are it's an EA82.

 

Finally, what I need to do (I thought this was also pretty clear) is get through a state mandated emissions test, the cheaper the better. If I can't, oh well, I'll just pay the fine and get plates anyway.