My mark x 2006 engine check light is on because of oxygen sensor problem.I want to replace the sensor and also require a thorough check up at 50,000 km.new oxygen sensor is available at faisal autos montg road lahore for 10,500/.I ll also check hamza younas autos rwp saddar tomorror for the availability of o2 sensor.I reside in gujrat,so lahore or rwp are at the same distance from me.
I don't know any mechanic for mark x but you can try toyota dealerships. Plus have you tried resetting the O2 sensor? I believe it can not be done from OBD and has to be done some other way. It may solve your problem
Hi The problem is going to start right now.............
how do you reset a sensoryou can reset the ecu, but not a sensor, if o2 is faulty it needs replacement.
10500 is not a bad price at all in my opinion, just verify the part number.
sensors usely have long life. do verify if sensor is out of order before buying another. maybe a wire is broken.
engines run ok if O2 sensor is missing from circuit, chk light should not come "on"
IN a Mark X O2 sensor will through a code definately. But how are you sure that it is the O2 sensor? Also i think there are 2 O2's in mark X. Better be sure or you might have to change both.
on every reset the ECU needs a driving cycle to go into drive mode. and do verify what the code was? O2 sensor lean/rich codes are set due to an air leak in the manifold or incorrect fuel rail pressure too.