xtremex626

iTrader: (3)

I took my car to get it smogged twice.. and both times I failed miserably. I had my exhuast redone awhile ago to a true dual with all three resonators deleted and the 2 catylic converters are still there as well as my stock exhaust.

I've ran some fuel system cleaner after my 1st fail, fixed some exhaust leaks, changed the spark plugs, cleaned the air filter, cleaned the throttle body and it's still a no go. The tech there said it could be a faulty O2 sensor but my car has yet to throw any codes. Anybody have any idea what it could be?

On my 1st test, i had high CO (carbon monoxide). For the 15mph test, the max was a 0.46 and I threw a 0.74. For the 25mph test, the max was a 0.43 and a threw a 1.16. Yes, those numbers are crazy..

PureDrifter

iTrader: (10)

no CELs? I doubt that it's the O2 sensors if that's the case.

Post a picture/scan of your smog printout please, need to see some of the other values too.

If you haven't done them recently, a new air filter, spark plugs, and ECT sensor aren't a bad or overly expensive place to start.

also, UCF20! You know this lol, i don't recall your car coming stock with air

xtremex626

iTrader: (3)

yeah.. no CEL.. and i doubt it's my O2 sensors as well..

here's the results after my 1st test.



even the tech there doesn't know what to tell me lolol

RA40

iTrader: (6)

The NO reading is also showing up. NO and CO both can occur with a plugged EGR system. Check for any vacuum leaks to the valve to verify proper operation. Replace EGR and clean tube.

The reading on mine for NO was 0 for both 15 and 25MPH.

AYEmike

uncle chang make mircles happen