Performance & Maintenance Engine, forced induction, intakes, exhausts, torque converters, transmissions, etc.

Help!!! Calfiornia my SC300 did not pass smog test???

Thread Tools
 
Search this Thread
 
Old 03-11-13, 11:33 PM
  #1  
miraluna
Pole Position
Thread Starter
iTrader: (2)
 
miraluna's Avatar
 
Join Date: Nov 2006
Location: CA
Posts: 296
Received 2 Likes on 2 Posts
Default Help!!! Calfiornia my SC300 did not pass smog test???

Today I took my 92 SC300 to get it smogged and it failed badly. I need some help on what to fix. The smog technician said to check up on the o2 sensors which I replace like 3 years ago(??) or cat converter / egr valve... my other mechanic friend told me egr valve is working fine...

what are some other things that i can do to help lower the emissions to pass? Here's a pic of the results. Please let me know what I can do. Thank you in advance.

Old 03-11-13, 11:50 PM
  #2  
GTX580
Pole Position
iTrader: (3)
 
GTX580's Avatar
 
Join Date: Jul 2012
Location: TX
Posts: 280
Likes: 0
Received 5 Likes on 5 Posts
Default

if yr cat and o2 sensors are cool then i would check timing, clean maf.
Old 03-12-13, 06:46 AM
  #3  
2jznosht
Lexus Test Driver
 
2jznosht's Avatar
 
Join Date: Aug 2011
Location: NM
Posts: 1,024
Likes: 0
Received 0 Likes on 0 Posts
Default

Probably hollow cats like my 93
Old 03-12-13, 03:55 PM
  #4  
Supruxes
Driver
iTrader: (2)
 
Supruxes's Avatar
 
Join Date: Jan 2013
Location: Texas
Posts: 159
Likes: 0
Received 0 Likes on 0 Posts
Default

Move to a state that doesnt do smog testing?
Old 03-12-13, 05:13 PM
  #5  
PseudoK
Pole Position
 
PseudoK's Avatar
 
Join Date: Dec 2012
Location: Bay Area CA
Posts: 381
Likes: 0
Received 0 Likes on 0 Posts
Default

did you drive the car around to warm up the cats?

I have heard running alcohol mixture with your gas right before going in works, might want to look that up..
Old 03-12-13, 05:57 PM
  #6  
turbodremz
Lexus Champion
iTrader: (18)
 
turbodremz's Avatar
 
Join Date: Jan 2008
Location: TX
Posts: 4,870
Likes: 0
Received 4 Likes on 4 Posts
Default

Holy crap, thats an epic fail. I would definately check the cats and o2 sensors.

That failed worse than my car with no cats...
Old 03-12-13, 08:31 PM
  #7  
miraluna
Pole Position
Thread Starter
iTrader: (2)
 
miraluna's Avatar
 
Join Date: Nov 2006
Location: CA
Posts: 296
Received 2 Likes on 2 Posts
Default

thanks guys... i happened to have extra o2 sensors laying around... will change them first...
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Rayyan
Performance & Maintenance
0
05-10-18 06:15 PM
LilMan23
LS - 1st and 2nd Gen (1990-2000)
2
02-10-12 03:19 PM
SC4-94
Maintenance
2
08-14-06 03:33 PM
Vmoney
GS - 1st Gen (1993-1997)
6
04-13-06 07:02 PM



Quick Reply: Help!!! Calfiornia my SC300 did not pass smog test???



All times are GMT -7. The time now is 06:24 AM.