The 4-wire sensor is for vehicles rated as Ultra Low Emission Vehicles. If you have a 5-wire connector, your vehicle isn't ULEV. NTK is the brand installed at the factory and that's the brand you should use. Go to rockauto.com and you can buy it there if your local store can't get that brand.
SOURCE: sensor 1 bank has an open circuit
it is the O2 sensor in the manifold that went bad. it is an easy fix but i wouid recommend taking in to somwere other than the dealer to save you money. this is small problem that will only effect your gas milage a little
SOURCE: Replaced 0xygen sensor in 2003 Hyundai Accent 3 Times Not Fixed!
It sounds like you have either a lean or rich condition ocurring,could be exuast leak,vac leak,leaking fuel preasure regulator,cat convertor.At this point would go to dealer for diagnosis.
SOURCE: L/B illuminatted after replaceing the O2 Sensor
I will try those and see if it works for my 2003 Elantra. My ECU fuse is blowing often as well. I initially suggested to my son the fuel filter. But of course why listen to a woman.
SOURCE: Hynudi elentra engine code P2626
P2626 - HO2S Pumping Current Trim Circuit/Open (Bank 1 / Sensor 1), Go ahead and replace the first O2 sensor in the exhaust system coming off of the cylinder head. Soak it with a good rust penetrant and you will use a 7/8" or 22mm wrench to remove it. Let me know if you need anything else.
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