Question about 2002 Mazda Miata
Might be O2 sensor but can't figure out how to disconnect it
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Posted on Jan 02, 2017
SOURCE: 2000 Ford F450 with V10
have you cleaned the throttle plate? this is done by removing air intake hose and spraying out with cleaner and wiping it down open throttle and wipe off the butterfly and bore. this will usually cure a stumble.
Posted on Aug 20, 2008
its just white cuz i too the cat off..
cuz i thought my proble could have been to do with the cat...
cuz i lost power driving up hills and on highways now it just will start the die right away
or start and idle really bad...
i was thinking crank sensor.. or injectors
Posted on Oct 01, 2008
Just had BOTH of my O2 sensors replaced in my 2002 Miata. The sensors are located
1. at the back of the engine compartment look down (on the passenger side ) You should see a spark plug looking device near the bottom of the engine (on the side) it has a short wire output that goes to a connector looking device on the other end. This O2 sensor had a short wire connector on the other end
Probably can be replaced from the top.
2. This one is tougher --- From underneath the vehicle just after the catalytic converter you should be able to see the Spark plug like O2 sensor . The person who repaired it for me had to trace the wire from the O2 sensor. It goes up into ( perhaps the frame or bottom of the vehicle INTO the Driver compartment under the drivers seat. It is located near the Center Console right at the carpet seam. It was about in a straight line from the BACK of the Drivers side Car Door. He felt around -- and located the Connector (under the carpet near the center console. . He checked underneath the car to the point where the wire disappeared --to confirm he had the correct wire.
Once he located where the sensor wire led to --He had the old sensor out and wire connector disconnected and a New sensor and the connector installed in about 10 minutes.
The O2 sensor for this one was much longer than the first O2 sensor in the engine compartment He had to use some sort of standard release spray on the old sensor itself --to remove the old O2 Sensor. Since it is exposed to the elements under the car. Wrench, I think a screwdriver and the spray were all the tools I remember him using.....
The autozone code indicated only the engine compartment sensor was bad.
The repair man told me Both usually go bad at the same time.
I fixed the first one only -- turned out the warning light lit up a day or so later indicating the second O2 Sensor under the vehicle was bad. Fixed that as well -- have had no problems since -- repair was about 4 months ago.....
Posted on May 24, 2009
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