From: Not@dot.net   
      
   Doug Herr wrote:   
   > I just passed my smog check, but it was *very* close this time, so   
   > clearly it is time to do some work to clean things up or replace   
   > something.   
   >   
   > This is a 1999 Tacoma 2.4L w/automatic.   
   >   
   > Here is the history of the last 3 smog checks...   
   >   
   > 2005: (27,252 miles)   
   > 15mph HC=3 (max 60)  CO=0 (max .75)  NO=30 (max 552)   
   > 25mph HC=2 (max 43)  CO=0 (max .90)  NO=12 (max 805)   
   >   
   > 2007: (33,190 miles)   
   > 15mph HC=24 (max 60)  CO=0 (max .75)  NO=22 (max 552)   
   > 25mph HC=10 (max 43)  CO=0 (max .90)  NO=20 (max 805)   
   >   
   > 2009: (36,825 miles)   
   > 15mph HC=58 (max 60)  CO=.16 (max .75)  NO=541 (max 552)   
   > 25mph HC=22 (max 43)  CO=.05 (max .90)  NO=407 (max 805)   
   >   
   >   
   > Possible factors to consider:   
   >   
   > Earlier this year I had to replace my catalytic convert (stolen).   
   >   
   > Recently I have done little more then short trips since my commute is   
   > only to the local train station.   
   >   
   > The smog station guy gave me a $241 estimate for:   
   > "Fuel / Air Induction System Service", $175 labor.   
   >   
   > Parts are:   
   > "Air Intake Cleaner", $18   
   > "Fuel Injection system Carbon Cleaner", $26   
   > "Power Enhancer 44K", $15   
   >   
   >   
   > So, what do 'ya all think?   
   >   
   > Can I do this myself with some fuel additives and maybe a spray in the   
   > intake flow?   
   >   
   > Should I stop using cheap low grade gas (I don't notice any pinging)?   
   >   
   > Might something more major be needed?   
   >   
   >   
   Do you have an OBDII scanner?  Are there any stored CODES?   
      
   ...and, YES!, you can clean the Throttle Body, and save $241!   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)