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: service for 2005 mazda mpv transmission
Yes, that and the oil of course. Just to be 100% clear on this, i'll explain every step in am automatic transmission service. First, drain the oil from the transmission by removing the drain plug. Second, remove the oil pan from the tranny. Then comes the removal of the filter. Then, replace the filter with the new one. Then clean the oil pan of excess dirt and gasket residue if any, and put the new gasket on the pan. Then you just put the oil pan back on the tranny and top off the oil. For the exact amount of oil needed, call your local dealer, or local garage or parts store. Then just verify the oil level just to be sure everything is OK, and note that most transmissions require the engine to be hot to have the correct level on the oil gauge. It should say if it is needed in your owners manual, or on most oil gauges it says ajust when hot, or hot level and cold level. If in doubt, ask the local dealer, garage or parts store again.
SOURCE: 3 liter mazda mpv overheating
You probably never cleaned the cooling system out.
If you have not get it done by pros.
It seems something is blocking the flow. If the water pump went bad you will know. Rarely ever heard a impeller breaks off like you think. The bearings and the seal break first.
Check and see also if the heater valve is working.
As for the over heating even new thermostats fail. Reverse flush is needed or the procan measure the pressure in the radiator cooling system and edetermine if there is a engine pressure problem. Tools and experience is the key in the game of diagnosis.
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SOURCE: 1997 Mazda MPV, 3-Ltr. V6, destroys Timing Belt
i need help install a timebelt in a mazda mpv? please help me out
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