1998 Lexus GS 300 check engine light

1998 LEXUS GS 300
129,000 MILES • 6 CYL • 2WD • AUTOMATIC
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COTHOMAS
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My check engine came on and i had it diagnosed. I had the O2 sensor (Bank 1 Sensor 2) replaced in my 98 Lex GS300. The car ran fine for about 20 miles then the check engine light came on again. I had the check engine light reset and again within 20 miles the check engine light came on again. What could be my problem ?
Jul 2, 2010 at 9:11 PM
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SATURNTECH9
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What is the code number that keep's coming back?
Jul 2, 2010 at 9:29 PM
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COTHOMAS
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I think its P1000 but i am not certain
Jul 2, 2010 at 9:33 PM
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SATURNTECH9
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I don't see a p1000 if you find out what the code number is let me know and i will get you trouble tree for it.
Jul 2, 2010 at 10:59 PM
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COTHOMAS
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Louie,
The code numbers are : P0155 , P0171 and P0446.

Thanks!
Jul 3, 2010 at 8:39 AM
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SATURNTECH9
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I emailed you the trouble tree's for those code's good luck.
Jul 4, 2010 at 12:47 AM