2004 Hyundai Elantra
Problem for Hyundai 2004 Elantra

Where can I locate the




By larlottenurs on Nov 07, 2009

" "
where can I locate the 2 O2 sensors for a 2004 hyundai elantra so I can replace them?

Solution #1

posted on Nov 18, 2009
Not Rated)

Relmdrifter

Rank: Apprentice 
Rating: 40%, 1 votes
When you open the hood, you will see the bank 1 sensor 1 o2 installed at the top of the exhaust manifold. bank 1 sensor 2 is on the bottom side of that same manifold. The warm up tip is a good one. Also disconnect the sensors before removing them and tighten them before connecting.
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Solution #2

posted on Nov 07, 2009
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michigan man

Rank: Guru  Hyundai Cars  Expert
Rating: 85%, 1027 votes
for the most part its on the exhaust somewhere give these websites a try www.autozone.com and www.alldatadiy.com if all fails stop by your local Hyundai dealership in the parts department and they will print you out a picture and diagram showing you where its located wish you the best Michigan Man.
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Solution #3

posted on Nov 07, 2009
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alicantecoli

Rank: Wiz  Hyundai Cars  Expert
Rating: 80%, 1590 votes
one in the down pipe and the other behind the cat
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Solution #4

posted on Nov 07, 2009
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mechbytrade

Rank: Guru  Cars  Expert
Rating: 93%, 26 votes
they are the only sensors that are plugged into the exhaust system. follow exhaust from engine u will spot them. replacement tip- get exhaust warm 120 F or so to help with replacement. cold exhaust makes it much harder to replace. if u have a 6 cylinder engine there may be more then 2 sensors


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