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What is bank 1 for a catalytic converter for 2000 Lincoln ls v6

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On either V6 or V8 Lincoln LS
Both O2 Sensors are in the exhaust converters
Bank #1 is on the right or passenger side,where cylinder #1 is
Both engines have dual exhaust

Posted on Apr 24, 2017


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Posted on Jan 02, 2017

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SOURCE: changed both o2 sensors and front catalytic converter

if the converter was bad the engine would loose power . alot of times the check engine light will come on for the emmitions check youre gas cap some vehicles will send a signal to the computer if the co is not right and by changing the gas cap solved the problem .

Posted on Nov 14, 2009

SOURCE: I have a lincoln ls and need to change the catalyt...

Yes they are (WELDED) I own an LS
It will cost too much,to go to a dealer.
I would be careful at any muffler shop
Both converters and both pipes, are one welded assy back to the exhaust pipes. Then the you have a slip joint.

I don't have an answer for you. But, if I ever need them,I will check at the auto parts store, to see if OEM Converters are available.
Then I will remove the two factory ones and weld in the new ones,duplicating the factory set up. They should be 409 stainless steel and require TIG Welding.
For yourself. I wish you the best, in your choice of how you want to approach it.

Seeing as how the oldest LS ,a 2000 model, is ten years old,I would doubt you need a converter.

Do you have a check light on dash (MIL Light) or codes related,such as a PO-420 or PO-430?

Posted on May 23, 2010

  • 14036 Answers

SOURCE: 2 codes 1) P0420 catalytic converter

possible causes for code po420 airleaks at the exhaust manifold or in the exhaust pipes,base engine problems high engine oil or coolant usage,catalytic converter is damaged contaminated or has failed,continuos engine misfire conditions or weak or low coil out put,front HO2s or rear HO2s is contaminated with fuel or moisture,rear HO2s is loose in the mounting hole,front HO2s older aged than the rear HO2s or HO2s 1 - 2 is lazy.

Posted on Mar 31, 2011

  • 44 Answers

SOURCE: 2003 Lincoln ls, v6, 3.0L

Code p0430 could mean that you catalytic converter is no longer "cleaning" your exhaust gases. In your car, it's possible to have more than one catalytic converter (V6 engines have two banks of cylinders and could have a cat on each side).

Bank 1 is the side of the engine where cylinder no. 1 is located. Bank 2 is, you guessed it, the other side. If you look up the firing order of the engine, you will see which cylinder is #1.

Although catalytic converters are not cheap, it is recommended that they be replaced in pairs due to the fact that the other catalytic converter may trigger your "check engine" light soon after you replace the first. Also, it may also be a good time to throw in new oxygen sensors.

Posted on Apr 04, 2011

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1 Answer

How many O2 sensors does a 2005 Chevy Cobalt base model 4 cylinder have

Oxygen sensors are identified by bank and sensor position. Sensor 1 is always pre catalytic converter, sensor two is always post catalytic converter. If an engine is a 4 or 6 cylinder engine the whole engine is considered bank 1, if an engine is a V6, V8, V10....., the engine bank containing cylinder number 1 (first cylinder in the firing order) is considered Bank 1, the other bank is considered Bank 2. Interpretation Oxygen sensor designation B2S1 refers to Bank 2 Sensor 1, it will be the sensor on the engine side of the catalytic converter in bank two. Check this link to determine the cylinder that contains cylinder number 1. Wells Search Parts Catalog

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What does a diagnostic tool mean when saying "bank 1"...

It usually means the catalytic converter is not getting hot enough to function, but could be another issue. The sensor readings between the sensor before and the sensor after the cat are not within spec.
Bank one is the side with cylinder one, or the side with the catalytic converter.

Jul 25, 2014 | 2003 Buick Regal LS

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I have a code P0430 on a Lincoln after changings all coils on a 2004 Lincoln V6, what caused and How do I fix it?

P0430 is Catalyst System Efficiency Below Threshold (Bank 2).

A code P0430 may mean that one or more of the following has happened:

  • The catalytic converter is no longer functioning properly
  • An oxygen sensor is not reading (functioning) properly
  • There is an exhaust leak

First, inspect for exhaust leaks.

Next step is to measure the voltage at the oxygen sensor on Bank 2. In fact, it would be a good idea to test each oxygen sensor while you're at it.

Aug 07, 2011 | 2004 Lincoln LS

4 Answers

Where is bank1 and bank 2 located on a lincoln LS?

Bank #1 passenger side

Bank #2 driver side

Replace the front (2) converter inlet O2 Sensors,
when they get to 100,000 miles

Aug 04, 2011 | 2002 Lincoln LS

1 Answer


shifting hard is one thing the engine bogging down is a seperate issue if your catalytic converter is is backed up you should have a check engine light on telling you that you have a catalyist inefficiancy in bank one or bank two depending on how manny you have. is your check engine light on . if so you can go to auto zone or advance auto and have them read your codes. if it is your 02 sensors that come up first then replace them first the . you should hav a total of two to four . if you have one catalytic converter you should have two if you have two catalytic converters you should have four labled as one up stream and one downstream. hope this helps feel free to ask any questions

Apr 06, 2011 | 2001 Lincoln LS

2 Answers

2003 Lincoln ls, v6, 3.0L has code p0430 for catalytic converter effeciency below threshold. Bank 2. What side is Bank 2 and all the parts I will need?

The number 1 spark plug is in bank one. ineffective cat's is a hard code to dianose correctly as thiers many things that can cause the code to set and many temporary things that don't last long that can set the code. I won't try to fix this code if it's the on;y one untill it has been reset more than a few times and no othe codes come up. The oxagen seners can fail, There's four! And they conpare readings with each other to set this code. running though water and cooling one or some of them will set the code. changing to a newq tank of gas that some different burning qualities will set this code ( and once resetr might not reset again till the next seasoal chnge in the fuel mixture from Summer to winter gas happens as it cools or warms again or even going from one staste to another to but fuel as thier polution laws are different or even some areaas that require special fuels like E85. Your car can run on it just fine if all systems are in good order but it might set the code as the system retunes to the differeent fuel. Code 420 also follows this same story.

Apr 04, 2011 | 2003 Lincoln LS

1 Answer

03 ls v6. p0430 catalyst malfunction lean bank 2. Vehicle has loss of power and exhaust sounds loud on the drivers side when I get on it a little bit. Do I need a new cat?

Before you invest in a new catalytic converter get the exhaust leak fixed, especially if it is before the cat and O2 sensors. An exhaust leak will allow air in and the sensors will not read accurately. This could show up as a code. Get the codes cleared after the leak is fixed and see if it comes back. It probably won't. Hope this helps.

Dec 17, 2010 | 2003 Lincoln LS

2 Answers

Need to know were the bank one , sencer one is on my buick century 2000 v6

Oxygen sensors are always numbered like this:
Bank 1 sensor 1
Bank 2 sensor 1
Bank 1 sensor 2
Bank 2 sensor 2

Some manufacturers use a kind of shorthand that reads different, but means the same thing:
Sensor 1/1 or O2s 1/1
Sensor 2/1 or O2s 2/1
Sensor 1/2 or O2s 1/2
Sensor 2/2 or O2s 2/2

Bank 1 is always the side of the engine where cylinder number 1 is located and, of coarse, Bank 2 is the opposite side.
On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.

Sensor 1 is always the upstream sensor (The one located BEFORE the catalytic converter)
Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.

Hope helps (remember to rate this).

Oct 07, 2010 | 2000 Buick Century

1 Answer

Obd codes po420

Indicates Bank 1(passenger side) catalyst system efficiency is below the acceptable threshold. The computer monitors the oxygen sensor switch rates of the front sensor and compares it to the switch rate of the rear sensor. Normal operation is the front sensor usually switches around or about 8 times to the rear switches once. If the switch rates get to close together then the computer determines this to be the catalytic converter is not doing its job.
what usually causes this is either the front O2 is going bad or the catalytic converter is going bad.

Apr 01, 2009 | 2000 Lincoln LS

1 Answer

2000 lincoln ls 3.0 v6

  1. check exhaust system for obstructions ie: clogged catalytic converters,plugged mufflers
  2. check ignition timing

Jul 16, 2008 | 2000 Lincoln LS

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