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After replacing the oxygen sensor in my 2000 Honda Civic and disconnecting the battery to clear the codes, I drove for about 400 miles and three of the monitors are still reading "not complete". What

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Did you do the Idle learn procedure? You need to do that every time you reset ecu.

1. Make sure all electrical items are turned off.

2. Start the engine. Hold the engine speed at
3,000 rpm with no load (in Park or Neutral) until
the radiator fan comes on.

3. Let the engine idle for about 5 minutes with the
throttle fully closed and with all electrical items
off.

4. Drive the car for some miles

I always do it whenever i reset ecu.

Posted on Jun 13, 2017

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  • Cars & Trucks Master
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Besides mileage the emissions system need to do cycles as well

Posted on Jun 13, 2017

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Posted on Jan 02, 2017

  • 82 Answers

SOURCE: 1999 Honda Civic EX fault codes 1366 and 1399

This code is not documented so the code reader is giving a false reading.
If the car runs OK and check engine light is not on, I would forget about it.

Posted on Nov 25, 2008

  • 337 Answers

SOURCE: Replacing crank shaft position sensor on 2000 Honda Civic

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528018f5b9

Posted on Dec 10, 2008

  • 141 Answers

SOURCE: changing oxygen sensor for a 2000 honda civic lx

both are located in the exhaust system. You have to get the car off the ground and follw pipes. You cant miss the O2 sensors.

Posted on Jan 15, 2009

  • 2 Answers

SOURCE: 2001 toyota corolla check engine

Mass Air Flow sensor! Just remove your air filter cover. Go to Auto Zone and purchase some solvent. Spray past the air filter and it should correct the problem. If not, replace the Mass air-flow sensor. This is commonly mistaken for an oxygen sensor. Mine did this and I followed these steps and it fixed the light. BTW, the light stayed on for 5 years before I fixed it. Never hurt anything. It's normally something to do with emissions. Dummy lights. :)

Posted on Mar 30, 2009

  • 3600 Answers

SOURCE: oxygen sensor replacement

you need to rent an 02 sensor socket and use a ratchet and the socket to remove it, there are two on the exhaust pipe one before the cat, you can see it on the exhaust pipe and one after. normally the 1at one goes out. cost $75.00 please rate if helpful.

Posted on Aug 14, 2009

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1 Answer

Engine Service Soon Light On code P0154


Error Code: P0154
Description:
Heated Oxygen Sensor (HO2S) 1 , Bank 2 - No Activity Detected
Problem areas:
- Wiring.
- Open circuit in signal wire, between Heated Oxygen sensor 1, Bank 2 and ECM. (Must check and confirm)
- Heated oxygen sensor (HO2S).
- Engine control module (ECM).

Nov 20, 2013 | 2003 Mitsubishi Montero Sport

1 Answer

How do I trip my IMA check engine light again to redeem a warranty.


Error Code: P0A7F/78.
Description: Battery module deterioration.
Solution:
-Check for poor connections or loose terminals at the battery
module, the battery current sensor, and the BCM module.

Jun 04, 2013 | 2005 Honda Civic

1 Answer

How do I reset the check engine light on a 2004 Honda Civic Dx after replacing the oxygen sensor


2 simple solutions, disconnect battery for 5 minutes, or go to auto store and have them clear code, usually for free at most chain stores.

Jun 09, 2012 | 2004 Honda Civic

2 Answers

Engine code p0420


The P0420 code is set when the oxygen sensor after the catalytic converter gives a reading the same or very close to the reading of the oxygen sensor(s) before the catalytic converter.

There are usually three possible causes...
The front oxygen sensor (before the cat) is giving an incorrect reading.
The rear oxygen sensor (after the cat) is giving an incorrect reading.
The catalytic converter is not working properly.

Since you recently replaced the cat, the logic points to the sensors, but it could be the cat again. Aftermarket converters are usually smaller than OEM and don't last as long.

For a more thorough description of the code and troubleshooting visit
http://www.obd-codes.com/p0420

Our Subaru encountered this issue several years ago under warranty. The first time the dealer replaced the front oxygen sensor. This was the cheapest repair and since it was an intermittent problem I am sure they hoped to delay the issue until the warranty was up. The second time they replaced the catalytic converter and we haven't had any more issues.

Jan 08, 2010 | 2000 Honda Civic

1 Answer

Changing oxygen sensor for a 2000 honda civic lx


both are located in the exhaust system. You have to get the car off the ground and follw pipes. You cant miss the O2 sensors.

Jan 15, 2009 | 2000 Honda Civic

2 Answers

Trouble shooting P0420 code, bank 1, OBD II for 2000'?


misfiring can cause a P0420 code.
I would recommend a set of honda plug wires and plugs if the P0420 code returns.
I have used bolt in aftermarket bolt in catalytic converters but don't remember the brand name they fit ok and i have had 1 or 2 return with a P0420 code out of about 20. I have never replaced the oxygen sensor on a civic like yours.
I always fix the misfire problems, reset the computer, and have the customer drive it and see if the code p0420 returns. 50% don't have the P420 code return. drive it and see what happens and go from there.

Jan 06, 2009 | 2000 Honda Civic

1 Answer

Locating and replacing oxygen sensor


Is the check engine light on with oxygen sensor codes?
If there are no problems with it leave it alone. i have seen factory sensors working good with over 300k miles on them. I recommend using dealer tune parts. at least NGK plugs. I have found misfire problems with aftermarket tune parts on several occasions.

there could be 2 oxygen sensors and they will be in the exhaust manifold or the catalytic converter or the "A" pipe between the manifold and catalytic converter. if you have the correct tools you can do it. sometimes requires special tools and rarely they are seized in the exhaust manifold and damage the manifold than it has to be replaced.

Dec 27, 2008 | 2000 Honda Civic

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