2001 Hyundai Elantra What does these OBD II Codes mean

2001 HYUNDAI ELANTRA
149,000 MILES • 4 CYL • 2WD • AUTOMATIC
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LIZZY40
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My 2001 Elantra has some check engine light codes on and I would like to know what they are and what part I need to fix them. PO141, PO140 and PO136
Jun 4, 2008 at 7:21 PM
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