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#1
04-13-2005, 11:17 AM
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Auxiliary Emission Controls (P1403/P1402)
hi! i'm new. my "check" light has been on in my car for a couple of weeks. i took it to AutoZone, and they told me it had something to do with the Emission Controls. Grease Monkey told me i needed to replace my PCV valve. so i did that. but the light is still on. so i took it to Advance Auto this morning, and the following DTC codes came up:
P1403 Manufacturer Control Auxiliary Emission Controls P1402 Manufacturer Control Auxiliary Emission Controls can someone please tell me what this means and what i can do about it? thank you SO MUCH. Elisa p.s. i drive a 2001 Accent GL. 
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#2
05-25-2005, 02:10 PM
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Re:
It's probably one or both of your O2 (oxygen) sensors. Take it to a Hyundai dealer...They can read the codes free-of-charge. You can probably replace the O2 sensors yourself with little to know mechanical knowledge.
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