Question about Mazda Protege

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Is there a o2 senser fuse in fuse box if my 97 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.

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  • 338 Answers

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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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2 Answers

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

warlock61
  • 659 Answers

SOURCE: more 99 cougar problems

there is a fuse for the o2 heaters if one of the sensors blew the fuse they will all be out

Posted on Mar 01, 2009

USfalcon
  • 175 Answers

SOURCE: O2 Sensor problem

this pic with be the fix ya
bcc112d.gif

Posted on Apr 10, 2009

Hrnsly
  • 154 Answers

SOURCE: Purchased a bosch o2 Sensor for mazda protege 5

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

cooper0365
  • 347 Answers

SOURCE: bank 2 sensor 1 o2 sensor

should be right behind the cat converter

Posted on Oct 03, 2009

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1 Answer

Hi, I am getting Faulty codes P0036, P0056, P0141, P0161 in reference Bank 1 and Bank 2 for sensors 2 on 2003 CTS.I was told the sensors where changed but codes still appear?


If the sensors were replaced an DTC'S come back has to be a wiring problem or PCM ,
The ECM detects that the HO2S heater low control circuit voltage is between 2.6-4.6 volts when the heater is commanded OFF, indicating an open HO2S heater circuit.
Is the fuse open?
All four codes refer to the heating element circuit ! there is a relay in the under hood fuse box that supplies B+ voltage to the O2 sensor heating elements . I would change that or test the relay , videos on you tube on testing relays .
MAIN Relay
--
LO SPEED Relay, HI SPEED Relay, S/P FAN Relay, PRE O2 Fuse, IGN-1 Fuse, ECM Fuse, POST O2 Fuse, and INJ Fuse
Also check
POST O2 Fuse
10 A
HO2S Bank 1 Sensor 2 and HO2S Bank 2 Sensor 2
PRE O2 Fuse
10 A
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 and HO2S Bank 2 Sensor 1

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1 Answer

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disconnect the sensors cancel the codes start engine if the codes don't come back replace sensor

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P0037. heater sen. where is it on the engine?


The code is for the heater in the O2 sensor bank one sensor two. That would be the sensor after the catalytic converter on bank one.
It could be the sensor itself or the power supply for the heater.

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What can cause a 2005 Hyundai Sante Fe check engine light to come on and get all these codes: p0134 - o2 sensor circuit no activity detected (bank 1 sensor 1), p0151 -oxygen sensor circuit,low voltage...


i would check ur fuses that supply voltage to ur o2 sensors, their in the fuse box and usually r labeled o2 sensr. sounds like the o2 sensrs dont have power

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Code poo31 showing and what would be the possible cause and what part to be replaced?


P0031 Oxagen senser heater circuit. The heater circuit can be checked with a test light connected to ground. ( a tast light is an ice pick looking tool with a clear handle with a 12 volt bulb inside and a ware with a clip to connect to grond, the light will light as the tip is touched to anything powered up with 12 volts and sometimes a little more and a wholde lot less) Find the oxagen sensers ( thier screwed into the exhaust pipes) Disconnect the electrial connectors and connect the test light to ground, with the key on test the wires in the plug connect ed the vehical. one of them should light the light, if it does reconect it and test the rest of the sensers, recalling which wire was live. ( most are white or grey but they vary some. If all the sensers have power it's not the power but the senser failed. with an ohm meter test the senser for the wire that was hot to the other wire that is the same color if the sneser is open ( no circuit ) you have found the bad senser. If you can't find power going to any of the sensers. Check the fuse boxes for blown fuses ( check them all with a test light) If you find a blown fuse replace it but go back to the wiring tjat connects to the sensers and you'll find someplace where the wire melted to the exhaust pipes and shorted out, blowing the fuse. The sensers short out too but not very often.

Feb 03, 2011 | 1999 Mazda MX-5 Miata

2 Answers

97 Blazer.. o2 sensors


Hi, dont worry. bank one is the drivers side and the sensor 1 is the upper sensor above the catalytic converter. and the bank 2 is the passenger side. good luck

May 22, 2010 | 1997 Chevrolet Blazer

1 Answer

Obd2 code p0300 on mazda protege 2002


Just had one of these with a maxima, the code is multiple random misfire, when a misfire occurs, to start is do the basics, replace the plugs, check fuel pressure, clean throttle body, and coolant is topped up. also I have seen if the O2 sensor is not working correctly is can cause a misfire, you will need a scan tool to look at what the O2 sensor is doing, o rby back probing the sensor (don't damage the O2 sensor wires). If it wires replace them as well, if it has coils they usually dont give that code if one fails, it will pinpoint that a certain coil if one fals.

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1 Answer

What do i need/how to fix a 1996 saturn 1.8 dual with code p0420


O2 sensors are good for 80 to 100k miles. a simple test for an O2 sensor is to remove it and shake it. If it makes any type of rattle noise then replace it. Also while the )2 sensor is out you can run a back pressure test.

Jan 10, 2009 | 2000 Mazda Protege

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