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O2 bank 1 sensor 1 Heater High

498 Views 1 Reply 2 Participants Last post by  Scott91370
I just bought a 2008 Elantra and it has a check engine light code for bank 1 sensor 1 heater high. The dealer had replaced the sensor, but with a cheap eBay one. Is there a way to check if the heater is bad or will I have to buy a new OEM sensor?
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