Question about 2002 Mazda Protege

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I am trying ti find a emissions diagram for my 1999 Mazda Protege

Please provide me with a web link. so that I can verify if my car has one or two O2 sensors, and if they are two wire or four wire type. In addition where they are located on the car. I have a 1.4L engine.

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  • yadayada
    yadayada May 11, 2010

    One O2 sensor, one Catalyst efficiency monitor, the O2 is before the catalyst, the monitor after the catalyst in the exhaust system

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There are two oxygen sensors. One is located on the front area of the engine on the manifold ( near the radiator) It has (aprox. 4 depending on the year) small wires(black,blue,white,gray) running to it from a wiring harness. The sensor almost looks like a little spark plug sticking out of the manifold cover. The second sensor is located below the first sensor almost on the bottom of the engine. It is attached to the exhaust system below the manifold. Same wiring is running to it and it looks almost identical to the first sensor. I hope this helps.

Posted on Dec 10, 2008

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There is one before the catillitce connverter it will be a 3 wire and one after the cat it will be a 4 wire

Posted on Dec 10, 2008

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Click on the following free direct Link. It has the Belt Diagrams for the 1997 Mazda Protege with either the 1.5L DOHC In-Line 4-Cylinder or 1.8L DOHC In-Line 4-Cylinder Engines; along with various engine options (AC/No AC, etc.). Included are Instrucional Diagrams for loosening (for removal) and tightening (for replacement) using the Adjustment and Locking Bolts/Nuts.
http://www.2carpros.com/car_repair_information/year/1997/make/mazda/model/protege/1997_mazda_protege_drive_belt_routing_diagram.htm

Click on the following free direct Link. It has the Belt Diagrams for your 2002 Mazda Protege 5 2.0L DOHC In-Line 4-Cylinder Engine; along with various engine options (AC/No AC, etc.). Included are Instructional Diagrams for loosening (for removal) and tightening (for replacement) using the Adjustment and Locking Bolts/Nuts.
http://www.2carpros.com/car_repair_information/year/2002/make/mazda/model/protege5/2002_mazda_protege5_drive_belt_routing_diagram.htm

Let me know if this helped, or if you have additional information questions. Feel Free to contact me at FixYa.com!

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