SOURCE: 2001 Mazda MPV upper front oxygen sensor change
I replaced this sensor about 6 months ago. (If this is the sensor that is located near the firewall on the exhaust manifold under the ignition coil.) The only way to easily replace it, is to remove the MAF and air filter assy. then remove the intake plenum, remove the ignition coil, and then you'll have access to the sensor. You'll need a sensor removal socket. If the socket slips around the hex of the sensor, then you'll need to use a regular deepwell socket and cut the cable from the top of the sensor, or use a combination wrench that will fit it.
The most difficult part of removing the intake plenum is getting the nut loose from the EGR valve. DO NOT just remove the two bolts holding it to the intake plenum. It will not line up correctly during re-assembly and may not seal tightly either.
This took about a Saturday to do. You'll need new plenum gaskets to replace the old. While your at it remove the throttle body and clean the carbon from the ports that lead to the EGR valve and replace that gasket as well. The gaskets will run about $30.
SOURCE: ECT Sensor location on MPV 2003
Find the thermostat housing a little left of the bottom of the battery base plate. It is a junction point of three coolant hoses. Then, diagonally to the upper left about 2.5 inches you'll find the L-shaped sensor. Unclip the wire feed from the top part of the sensor. Then turn the piece to the left and pull it out. Have the other one ready quick as coolant will come out fast so place a catch basin under the car to catch the coolant. I just did mine an hour ago and it was easy.
Danny K
SOURCE: 2004 mazda MPv Where is the location of cyl. #6?
The firing order is 1-4-2-5-3-6. The cylinders are, front bank is from drivers side to passenger, 6-5-4 , and 3-2-1 at the firewall.
SOURCE: where is iat sensor located on 2000 mazda mpv van
the IAT sensor is part of the Mass Airflow sensor. here is a picture of that sensor.
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SOURCE: i need a diagram to find bank 1 sensor 1 on a
that is front engine part is bank 1 and sensor 1 is top one just behind radiator
Fig. Component Location Chart-2000 MPV
Fig. Component Location Chart-2001 MPV
Fig. Component Location Chart- 2002-06 MPV
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