Question about Mazda Protege
Replaced bank 1 sensor 2 , still no activity.is there a certain brand o2 sensor i should use, im using bosch at the moment.PleaseHELP.
Has the sensor 4 wires, if yes it has a fuse. The two white wires are for a heater, use a volt meter, should get 12volts across these wires, black wire is an earth and the grey wire is the sensor. If the heater is not working (fuse blown) it will give that code. I have had this fault on a Seat, changed both sensors (180 pounds), then found a broken wire on the back of the fuse box?????????
Posted on Dec 31, 2013
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Posted on Jan 02, 2017
SOURCE: dtc codes p0155 & p0051
I had the same problem and found out I was sold the wrong sensor, my 4.0 has four, they are all different, when you install a new sensor, you must make sure you clear the trouble code before you start the engine, ignition on engine off, that should do it, it worked for me, also if you have your own scanner and can erase the codes yourself, the wrong 02 sensor will turn engine light on with cold start, then after I erased the code it would stay off all day until the next cold start, thats when I found out my new 02 sensor was for bank 1 sensor 2, and not bank 2 sensor 1, hope this helps
Posted on Jan 19, 2009
IF THE CONECTOR ON THE END IS THE SAME THEN IT WILL WORK AND THE COLORS DO NOT MATTER. YOU HAVE TO MAKE SURE THAT THE CONECTORS ON THE END ARE THE SAME THE AFTERMARKET SUPPLIER DOES NOT USE THE SAME COLORS AS THE FACTORY. A LOT OF TIMES THAT IS HOW WE KNOW WHEN AN AFTERMARKET PART IS USE.
Posted on Aug 18, 2009
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