sensors

  1. K

    Replacing O2 Sensor

    Hey I recently got a P0031 check enginde code which refers to overheating in bank 1 sensor 1. So I wasnt sure exactly which oxygen sensor this was, is this the one right on the front or underneath the car? Also I was trying to unplug the oxygen sensor and the actual electrical plug is so hard...
  2. J

    2007 Oxygen Sensor Issues

    My 2007 CX7 hesitates and the dealer checked the codes, concluding the oxygen sensor needed to be replaced. They wanted $390.00 - for the job. I presented him with a TSB stating a faulty oxygen sensor was a known issue but to no avail. He stated my car was out of warranty at 47,000 miles. Has...
  3. M

    knock / detonation sensor

    is leaking oil... for reference this is the sensor a few inches above the oil filter on the back of the block. I see a bit of oil drip on the black cable that connects to the silver bolt. there is also some black goopy stuff on it. can i just take this sensor out and fix the leak then put it...
  4. S

    Po421?

    I just got a PO421 for the fourth time and finally, i am giving into the fact that i cant just keep resetting my cel. I need to do something about it. What have you all done to make this problem go away? I'm thinking of just going cat-less soon, so is there a way i can relay the catalytic O2...
  5. B

    ect sensor location?

    My check engine light came on and I got it checked out and was told I need to change my sensor or thermostat. I'm pretty sure its my sensor so I'm changing that out. But could someone post where exactly its located? thanks
  6. D

    01 tri where is the oil pressure switch located?

    Can't seem to find the oil pressure switch on the mazda tribute 2001,thought it would be the motor oil opening but nope,then i thought by the oil filter but nope,now im thinking maybe on the oil pump but i really don't have a clue...help me
  7. J

    ECU O2 sensor wiring HELP P0134 stuck in open loop

    Hey Everyone, I am having a huge problem with my o2 circuitry. I get the P0134 no activity from the upstream o2 sensor; I changed the sensor with a new OEM denso unit and I am still not getting any o2 voltages on the when I data log from the obdII port. i read 0.00V on the front o2 and...
  8. N

    P0421 and not changing the WU-TWC

    Hi all, My car is a Protege 2002, ES, 2.0L engine. Initially, I got P0300, then I got a bliking CEL but had to drive, then changed the spark plugs and the CEL went away. But after a few miles at ca 50mph, I got a new CEL. I got it checked today and got the dreaded P0421. It might be...
  9. S

    Trying to clarify the P0421 / Cat / Non-fouler trick on a stock P5

    I bought my P5 new in 2001, and have kept it stock ever since. I have 128,000 miles on it. A couple of years ago, I started getting the random misfires. Replacing spark plugs and wires helped, but it was replacing the coils that finally fixed it just about a year ago, just in time for me to...
  10. M

    Check Engine Light (CEL) System Too Lean (Bank 1)

    Check Engine Light (CEL) System Too Lean (Bank 1) Re: 2003 Mazda Protg5, 46,800 miles, All Stock. The CEL came on, took car to Auto Zone, got code - System Too Lean (Bank 1). I call my maintenance Mazda Dealer and they wanted over $300.00 just to change the Oxygen Sensor. I replaced the...
  11. T

    ABS sensor code 14

    I tripped the ABS and brake lights, so I ran the codes and got 14 and 48. Pulled the LR sensor, cleaned it, which got rid of the 48 code, but not the 14. I have never seen only one code go through (usually they're in pairs for each corner). Any ideas on what might be causing the 14 to stick...
  12. M

    Trouble shooting O2 sensor?

    My Car 2002 P5 145 xxx km Standard and stock I have a P0421 code and sometimes at idle my car will drop below 500 rpm if you give it gas its okay. I believe the computer is not controlling the air/fuel mixture properly. My manual says thats its the O2 sensors (loose or malfunctioning... they...
  13. A

    Transmission temp sensor placement

    Hi there everyone, I have an Autometer temp sensor gauge. I was thinking about doing a whole transmission pump and cooler setup from NSN but have scaled back that plan (along with a few others) in terms of modding the car. Now, I just want to somehow place the sensor so it will read the...
  14. B

    Driving cycles needed!!!

    So i got the O2 sensor replaced and before it can pass emissions I was told I needed to reset the monitors by doing certain driving cycles. I had to call the manufacturer...who knew nothing about it and to call the local dealer's service dept. Who also knew nothing about it. i was told by a...
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