check engine light

  #1  
Old 03-23-2006, 02:48 PM
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Join Date: Mar 2006
Posts: 1
Default check engine light

my 98 es300 has the check engine light on. it's code reading says 02 sensor. i have replaced them both and reset computer but it came back on with same code reading. whats the deal?
 
  #2  
Old 03-24-2006, 02:59 PM
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Join Date: Mar 2005
Posts: 140
Default RE: check engine light

it may have a bad cat, which is souring the o2s...
 
  #3  
Old 10-31-2007, 12:22 PM
Join Date: Oct 2007
Posts: 7
Default RE: check engine light

IT IS A BAD CAT
 
  #4  
Old 02-04-2008, 11:10 AM
Join Date: Feb 2008
Posts: 3
Default RE: check engine light

I have a 96 es300 with maybe a similar problem. The engine light stays on and im getting poor milage and a raw fuel smell sometimes but no leaks. It also has a rough idle, could this be a bad cat or O2's? they have almost 200k on them... Thanks

Tyler
 
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