Best Answer

There are two sensors, one before, and one after the catalytic converter. There are wires coming out, so they are hard to miss. The catalytic converter is connected to the exhaust manifold, which is connected directly to the engine. You can see it looking down at the open hood, towards the front of the car, attached to the engine. The top sensor sticks stright out of the exhaust manifold, the second sensor is down a little lower and to the left if you are facing the car from the front. Note: The exhaust manifold has a metal heat shield over it. You can remove the two bolts (12mm) holding the heat shield to inspect the exhaust manifold. It is VERY COMMON for some models to develop hairline cracks in the exhaust manifold right around the oxygen sensor (you might have to brush away rust to see the cracks). This could result in the check engine light going on indicating bad cat (even though there may not be anything wrong with your cat OR your sensors!). If you see cracks, either repair them or replace the manifold (unfortunately you typically cannot buy just the manifold, you have to buy a new cat with manifold - but you can sometimes find used manifolds or aftermarket cat+manifold for cheap). Some have used heat resistant expoxy to repair the cracks (welding is better though). If you use epoxy, look for a brand specifically made for exhaust systems. "JB Weld" epoxy from your hardware store may work for a couple weeks but is not a good solution.

User Avatar

Wiki User

โˆ™ 2006-03-18 11:36:16
This answer is:
User Avatar

Add your answer:

Earn +5 pts
Q: Where is the O2 Sensor located on a 1998 Honda Civic Sedan?
Write your answer...

Related Questions

Where is the TDC sensor located on Honda civic?

where is the tdc in my 98 civic ex sedan

Where is the PVC valve located on a 1983 Honda Civic sedan and how do you replace it?

The 1983 civic, hatchback with 1.5 engine does not have one.

Will a 99 Honda Civic sedan tail light fit on a 96 Honda Accord sedan?


Will a 175 70r14 tire an rim fit your 1988 Honda Civic sedan?

I don't have a 1988 honda civic sedan. But if someone did, and that sedan had 14 inch wheels, then yes they would fit on them.

Is a 2008 Honda Civic LX sedan a front or rear wheel drive car?

The 2008 Honda Civic LX sedan is a front wheel drive car.

Will 96-98 Honda Civic sedan tail lights fit a 99 Honda Civic sedan?

yes, tailligths are the same years 96-99

What are some new models of Honda cars?

Some new models of Honda cars include: the 2013 Honda Accord Coupe, 2013 Honda Accord Sedan, 2013 Honda Civic Coupe, 2013 Honda Civic Hybrid, 2013 Honda Civic Natural Gas, 2013 Honda Civic Sedan, 2013 Honda CR-Z and 2013 Honda Crosstour.

What size wiper blades fit 2007 Honda Civic sedan?

The 2007 Honda Civic Sedan has special honda-only wiper blades and you must go to the dealer for them - there are no aftermarket wipers available for it.

How many gallons of gas does a Honda Civic sedan hold?

A civic sedan 96 to 00 I believe takes 12 gallons.

What type of engine does a 1992 Honda Civic LX sedan have?

The 1992-1995 Honda Civic LX Sedan has a 102 horsepower 16 valve engine called the D1587.

Does a 1991 Honda Civic have air bags?

The Civic DX Sedan does 1991 of course

What is B12 service on a 2012 civic?

what does a service B12 mean for a Honda Civic Sedan

Where is the turn signal flasher on a 2000 Honda Civic LX Sedan?

I had a 1999 Honda Civic LX and I believe the switch is located under the dash on the drivers side right near the fuse panel.

What is the name of the song sang by Electric light orchestra in the2012 Honda Civic LX sedan commercial?

The song from the Honda Civic Sedan commercial is "One Week of Danger" by The Virgins. You can get the song and watch the commercial here: . Sex harddd Vaseline ...

Does the 2003 Honda civic EX sedan have rear speakers?


What is the freon capacity of a 2006 Honda Civic EX sedan?

525. - / + 25gm for 7th Generation of civic

What is the standard price of a new Honda Civic Sedan?

To find the standard price of a new Honda Civic Sedan, a person should contact their local Honda dealership to find out the price. The price could range anywhere from $20,000 to $70,000 at an estimate.

How much does the Honda Civic 2012 weigh?

It ranges because of the different style but the dx sedan weights 2608 lbs the lx sedan weights 2641 lbs and the ex sedan weights 2765 lbs

Where is the fuel filter for a 1991 civic?

On my 91 Honda civic 4dr sedan it is on the passenger side fire wall.

How many different colour floor mats are available for Honda Civic Sedan?

According to the Honda Floor Mats website, there are four different floor color mats available for the Honda Civic Sedan. The colors that are available are grey, black, brown and beige.

What is OE tire size for 1993 Honda Civic?

There are various sizes depending on which trim level on 1993 Honda Civics:Civic CX or VX Hatchback--165/70/13Civic DX Hatchback or Sedan--175/70/13Civic EX Coupe or Si Hatchback--185/60/14Civic LX Sedan--175/70/13Civic EX Sedan--175/65/14

Does a 1998 Honda civic transmission fit on a 1999 Honda civic 1.6 sedan 5 speed?

if your adele no if your aidan yes if your adele no if your aidan yes

What size speakers does a 1991 Honda Civic DX 4 doors sedan have?

The 1991 Honda civic uses 6.5" speakers for both front and rear.

Will the drivers door from a 1995 Honda Civic fit a 1994 Honda Civic?

Yes, all civic doors from 92-95 are interchangeable. However coupe/hatchback doors and sedan doors are not.

What is the towing capacity of a 2001 Honda Civic EX sedan?

I believe they are all 1000lbs.