Question about 2005 Nissan Pathfinder

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Where is the bank 1 catalytic converter on 2005 v6 pathfinder

Posted by Anonymous on


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Posted on Jan 02, 2017

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SOURCE: catalytic converter question

you must have a duel exuast the #2 converter is on the right center of the vehicle underneath the floor pan.

Posted on Aug 30, 2008

  • 115 Answers

SOURCE: have had two catalytic converters go out in last 8 months

Catalytic converters should last the life of the vehicle. usually they are damaged be a poorly running engine. most common causes are lean misfire causing unburnt fuel and air to get into the convert and ignite there. coolant or oil burning. engine running too hot (lean) overheating converters.

was it the same converter that went twice? did they change them at the same time? where the pre-converters? is the engine light on?

Posted on Jun 26, 2009

  • 56 Answers

SOURCE: O2 Sensor Bank 1 on a 2004 Nissan Pathfinder


Posted on Jan 22, 2010

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SOURCE: Have a 2005 Nissan Pathfinder that stops while I'm

A plugged catalytic converter would result in a lack of power. Usually very consistantly. A more likely option would be the ignition module or crankshaft position sensor but not absolute. Below are possible causes of the code P0430:
Air leaks at the exhaust manifold or in the exhaust pipes
Catalytic converter is damaged, contaminated or has failed
Front HO2S or rear HO2S is contaminated with fuel or moisture
Front HO2S and/or the rear HO2S is loose in the mounting hole
Front HO2S older (aged) than the rear HO2S (HO2S is lazy)
The failure of the cat is likely as a secondary failure, not as a cause. Look at items such as worn plugs which would result in insufficient ignition and excessive fuel being pumped into the cat to cause it's failure. In turn causing excessive heat which can cause electronics failures. One thing you can do, is run the vehicle for about 15-20 minutes at highway speeds and stop and look under the vehicle(while the engine is running) and see if the cat is glowing. If it is glowing, replace the cat and have the plugs looked at. How has the other maintenance been(filter, fluids, etc.)? One other thing that can be done is have a scanner hooked to the system and have the O2 sensors read as live data to determine the current function.

Posted on Aug 26, 2010

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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

Dec 06, 2016 | 2005 Chevrolet Cobalt

1 Answer

Bank 2 sensor 1 is bad, where is it located on my 05 accord v6 coupe?

If this is a V6 bank 2 sensor is the one before the catalytic converter in the bank of cylinders that contains cylinders 2,4 and 6.

Aug 28, 2012 | 2005 Honda Accord

1 Answer

Were is bank 1 sensor 1on a nissan pathfinder

Bank one is the engine cylinder bank that contains number one cylinder, the number one sensor is the one in the exhaust pipe of that cylinder bank and it is before the catalytic converter.

Jul 03, 2012 | 2006 Nissan Pathfinder

2 Answers

I'm trying to locate the bank 1 oxygen sensor for a 2005 Nissan xterra

If you have the V6 engine, then bank 1 is on the passenger side. Sensor 1 is between the engine and the catalytic converter, sensor 2 is after the cat.

Sep 18, 2011 | Nissan Xterra Cars & Trucks

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

2 Answers

Where are bank 1 sensor 1, bank 2 sensor 1, bank 1 sensor 2, and bank 2 sensor 2

bank one sensor 1 is the bank of cylinders that number 1 spark plug is located in, bank 2 the other side, this assumes u have a V8, the sensor one location is the sensors that are BEFORE THE CATALYTIC CONVERTER, the sensors referred to as sensor 2 are after the ones AFTER THE CATALYTIC CONVERTER IN THE EXHAUST SYSTEM.

Apr 28, 2010 | 2004 Jeep Grand Cherokee

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