Title: Perfect OEM fit for 2000 Corolla
Product review: Check engine light came on. Plug in the OBD code reader and it said P0171 indicating fuel system running lean or rich and likely problems with O2 or MAF sensors. Took out MAF sensor (near air filter) and clean it with spray cleaner and no change. Called Toyota dealer for O2 sensor prices and learned that the 2000 Corolla has 2 sensor, one at the exhaust manifold and one near the catalytic converter. Also learned that the exhaust manifold one is the one that goes out most often.Searched online for pricing. Found on Amazon.com; which was much cheaper than the dealer and other autoparts websites. This one was the exact OEM for my car so no adapters were required. I just removed the two attachment bolts, took out the old sensor, put this one in, replaced the bolts and reset the check engine light (by removing one of the battery terminals) and problem solved. Don't recommend the slightly cheaper universal units that have adapter plates that may not work.
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