s13 smog failed! help plz!

[240low]

hey my 92 s13 hatch failed smog and i cant really figure out why and dont want to end up spending 250$ at a smog fix place.. so my report was this
CA btw >.<
15 mph
%O2/.2
%cO2/14.1
HC 113/83 FAIL
CO .77/.75 PASS but that should be lower avg. .18
NO 446/559 PASS avg. 242

25mph
%O2/.2
%cO2/.0
HC 49/65 PASS
CO .35/.63 PASS
NO 122/.35 PASS avg. 179

plz any help would be great

[zerodameaon]

Go find one of the twenty threads on here about failing smog and how to fix it. Some really good writes ups have already been done. See the search one spot to the left below your user name? Use it please.

[Rut Ro]

Let me google that for you

[zerodameaon]

Originally Posted by Rut Ro

Let me google that for you

Where did you get SR20?

OP I will point you in the right direction. Your running a bit to rich, could be a number of things. Is your cat old?

[240low]

I've tried I haven't really noticed any of the symptoms they say would happen with my results i have been lookin for hours but I'll keep looking, thanks

[240low]

Originally Posted by zerodameaon

Where did you get SR20?

OP I will point you in the right direction. Your running a bit to rich, could be a number of things. Is your cat old?

It looks relatively new but an aftermarket oem cat.. But would my cat cuz it to go that high?? And still pass nox?? Also I did smog last week and passed hc by 1 point. But failed cuz the smog guy checked my timing wrong but I didn't know

[zerodameaon]

How many miles on the engine? How long since your last oil change?
Edit, mixing somethings up: http://www.smogtips.com/failed-high-hydrocarbons-HC.cfm

I passed smog on NOX with a faulty cat but failed the HC really bad. Also check the vacuum line between the BPT and EGR. Has a tendency to rot away and causes quite a few issues.

[240low]

Originally Posted by zerodameaon

How many miles on the engine? How long since your last oil change?
Edit, mixing somethings up: What causes high HC. What causes high Hydrocarbon - SmogTips.com. Failed HC Emissions. Why did my car fail the emission test for high HC emissions. What is HC. My vehicle failed the emission test for high Hydrocarbons. Why my car produced high HC. Hi

I just got the car 3 weeks ago.. Supposedly rebuilt unknown mileage tach reads 180k and I'm doing the first oil change tomorrow but the oil looks clean still golden brown

[zerodameaon]

Originally Posted by 240low

I just got the car 3 weeks ago.. Supposedly rebuilt unknown mileage tach reads 180k and I'm doing the first oil change tomorrow but the oil looks clean still golden brown

Smell it. Oil may not be your issue then, check for vacuum leaks.

[240low]

spark plugs, wires cap n rotor were replaced before I got the car.. Cat doesn't seem I have any of the symptoms stated I just did the timing.. Set at 20 degrees btdc but idles At 950 which I don't understand..

I also was thinking its my o2 sensor but my engine light is not on


What do I look for ? Bad hoses??

[zerodameaon]

Take some throttle/carb cleaner and spray it at individual lines. If the engine bogs down its a bad line. As for the BPT to EGR hose, its obvious when you put your hand on the hose, they tend to rot all the way out. Adjust your idle, I have steps in my SIG on how to do so.
Replace the O2, its not to bad a job and is pretty cheap if you get the universal and just crimp on and heat shrink the wire, all parts should be included. And before you go in to do the check make sure to get the car nice and warm, and see if they are nice enough to run a pretest.

[kilamax03]

!!fuck smog!!

I WAS DEALING with the same issue smh