Question about 2000 Mazda 626

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Where is O2 sensor located on 2000 626 mazda 4 cylinder

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The 4 cylinder has only one oxygen sensor. this sensor is a plug in with two wires coming out of it. As the exhaust leaves the motor the o2 sensor tells the car what carbon is leaving the. The o2 sensor is located on the exhaust pipe directly leaving the motor

Posted on Sep 24, 2010

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How to install bank 1 o2 sensor on 2001 mazda tribute v6


There are 2 O2 sensors on each bank. Here are some pics of where they are located:


mazda tribute o2 sensor location Google Search

Jan 26, 2016 | 2001 Mazda Tribute

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Where is O2 oxygen sensor Bank 1 sensor 2 on Pontiac Atzec.


Hi.


The sensor two is the one located after the catalytic converter. While sensor one is always the O2 sensor located on the engine side.


Bankone refer to the sensor located in line with cylinder number one (theone that is sparking first i order). The firing order on Pontiac Atzec is as follows:

on the 4 Cylinder engine : 1-3-4-2

on the 6 Cylider version : 1-6-5-4-3-2,

This means that the cylindernumber one is located on the left hand side.

See the diagram below explaining how to access sensor two. The protective cover is not present on all models:



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Note: before replacing the O2 sensor (lambda sensor) ensure that the problem is not wiring or connector.


.

on Feb 21, 2010 | 2001 Pontiac Aztek

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How many o2 oxygen sensors does a Mazda 2002 MPV LX have


Four. There are two located before the catalytic converters and two after the catalytic converters.

The are referred to as bank 1 and bank 2 and sensor 1 or sensor two. Bank 1 is always the same side of the engine as the number one cylinder. Bank 2 is the other side. Sensor 1 is always before the catalytic converter. Sensor 2 is after the catalytic converter.

  • Bank 1 sensor 1 - same side of the engine as the number one cylinder and before the cat.
  • Bank 1 sensor 2 - same side of the engine as number 1 cylinder, after the cat.
  • Bank 2 sensor 1 - Opposite side of the engine as the number one cylinder and before the cat.
  • Bank 2 sensor 2 - Opposite side of the engine from number 1 cylinder and after the cat.

Sep 23, 2015 | Mazda Cars & Trucks

2 Answers

Ford freestar 2004 where is the O2 sensor #1 located


There is 4 senors the bank 1 sensor 1 is located in front of the LH (Drivers side) catalytic converter
Hope this helps

Jun 22, 2014 | 2004 Ford Freestar

1 Answer

I have error codes P0051 Bank 2 Sensor 1 , P0037 Bank 1 Sensor 2 and P0306 Cylinder 6 Misfire. Where are these two O2 sensors located?


Umm, "First thing to do though is to swap the wires on your coil packs" is a risky idea. This would most-likely cause a backfire and possibly cause severe damage. Swapping coils between cylinders and keeping wires matched to corresponding cylinders would give the intended result.

Nov 27, 2010 | 2003 Mazda MPV

2 Answers

Hi, I need to take my 2001 Mazda 626 4cyln for SMOG check in CA. But its check engine light is on, diagnosed as code P0421. Appreciate your help to fix this problem, or just to pass the check. Thank you.


CODE P0421. DEFINITION-CATALYST EFFICIENCY LOW-BANK 1. EXPLANATION-THE OXYGEN SENSORS MONITOR THE CATALYTIC CONVERTERS ABILITY TO STORE OXYGEN. PROBLEM CAUSES- 1. CATALYTIC CONVERTER DEFECTIVE (FAILURE POSSIBLY DUE TO #2,3, OR 4) 2. ENGINE MISFIRE OR RUNNING CONDITION. 3. LARGE VACCUM LEAK 4. ENGINE OIL LEAKAGE INTO EXHAUST-VALVE GUIDE SEALS, PISTON RINGS. THE PCM HAS DETERMINED THAT THE WARM UP CATALYST EFFICIENCY FOR BANK 1 IS BELOW TRESHOLD FOR THE CURRENT ENGINE OPERATING CONDITION. (BANK 1 IDENTIFIES THE LOCATION OF CYLINDER #1, WHILE BANK 2 IDENTIFIES THE CYLINDERS ON THE OPPOSITE BANK).

replace O2 sensors, or your Catalytic Converter.

Oct 06, 2010 | Mazda 626 Cars & Trucks

1 Answer

Where is Bank 1 Sensor 2 located on a 2004 Mazda Tribute? This is an O2 sensor.OBDII code P0141.


bank 1 is the bank of cylinders closest to the firewall. the sensor will be located along the exhuast from that side after the catylitic converter

Apr 01, 2010 | 2004 Mazda Tribute

1 Answer

Where is the bank 2 o2 sensor located on a 2004 Mazda MPV LX


bank 2 is the cylinder in the front of the engine compartment near the radiator, the O2 is either in the exhaust manifold of the bank or in the exhaust pipe off the manifold, round about the size of a jumbo magic marker, you need a special O2 sensor socket to remove it in some cases, if it is in the open then a 7/8 open end wrench will work.

Oct 09, 2009 | 2004 Mazda MPV

1 Answer

Where is the oxygen sensor located?


WHICH ENGINE YOU GOT?... V6 OR 4 CYLINDER?
On the V6 there are four (4) oxygen sensors (O2 Snsr), and on the 4 cylinder there are two (2) O2 Snsrs. The Upstream O2 sensors are in the exhaust manifolds at the top, and the downstream O2 sensors are at the bottom of it or in the exhaust pipe.

Oct 06, 2009 | 2003 Hyundai Tiburon

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