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Oxygen sensor wire color codes 1999 toyota Tacoma

Need to know what the color codes are for O2 sensor (signal wire to computer ecu) for 1999 Toyota Tacoma

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

KCGTODAD
  • 169 Answers

SOURCE: i need the wire color code for a 1999 toyota camry

Well - I'm not sure which one you mean - front or rear - here is a wiring diagram that should help you though.


2d7d015.jpg

Posted on Sep 18, 2009

  • 625 Answers

SOURCE: Oxigen sensor 4-wires /colore of signal wire

most of the times the signal wire is the black one,
but is definly not the red or the red with stripe,
so is eithr the white or the black.

Posted on May 28, 2008

jyeager178
  • 2 Answers

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Posted on Mar 31, 2009

superjorge1
  • 8 Answers

SOURCE: have p0130 and p0133 codes 98 toyota tacoma

check the mass air flow sensor there maybe dirt on the filiment inside the sensor causing false readings. cleaning or replacing it may make the codes go away.

Posted on Nov 18, 2009

Pointnino
  • 14 Answers

SOURCE: check engine light on 2003 toyota tacoma, O2 sensor?

An O2 sensor code is a tricky one. It could mean SEVERAL different things, and I know how bad it sucks to hear this, but your best bet is to take it in and have a diagnostic ran on it at either a dealer or a good mechanic shop with a computer they can hook up to it. I had an "O2" code come up a while back on another car I used to have, and literally spent weeks and hundreds of dollars trying to fix it, and never did. Finally out of desperation took it in, paid the $90, and they found the problem and fixed it in like 30 minutes. Something I would have never even thought of was causing it (can't remember off the top of my head). After that I stopped wating time and money on check engine lights. One comes on in my car, I take it to have it ran for free at and auto parts store just to make sure it's not a loose gas cap or something, just to get an idea of what I'm looking at, then go and make an appointment to have to hooked up to a diagnostic computer to track down the problem. Good luck, and hope this helps save you some time and money.

Posted on Apr 05, 2010

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1 Answer

I have a 2006 Toyota Tacoma when an era code P2198 I replace the oxygen sensor


This code means the fuel mix is too rich, and your O2 sensor is telling the ECU this is so. Look for other reason mix is rich, such as bad tune up parts, ignition module, coil, coolant temp sensor, etc.

Aug 02, 2015 | Toyota Cars & Trucks

1 Answer

What does toyota codes PO037 and PO136 mean?


P0037 is "Heater Control Circuit Low Bank 1 Sensor 2".
P0138 is "Oxygen Sensor High Voltage".

It sounds like it's time to check the connector to your oxygen sensor, and probably replace it (the O2 sensor).

Jul 26, 2014 | 2003 Toyota Tacoma

1 Answer

2005 toyota tacoma 2.7 code p0037 replace rear 02 and computer code keep coming back.


P0037 - O2 Oxygen Sensor Circuit High Voltage (Bank1, Sensor2)

The Heated Oxygen Sensor (2) located rear of catalytic converter produces an output signal relative to oxygen storage capacity of catalytic converter. Ho2S 2 signal is less active than signal produced by front oxygen sensor. This code sets when HO2 Sensor voltage is greater than 999 mV for more than 2 minutes (time depends on model. Could be as high as 4 minutes)

Symptoms: There may be no noticeable symptoms except for MIL illumination. Possible high fuel pressure can over rich the system.

Causes: A code P0138 may mean that one or more of the following has happened:
* Faulty O2 sensor
* Short to battery voltage in O2 sensor signal circuit
* High fuel pressure (not as likely)


Here are some potential solutions:
* Replace O2 sensor
* Repair short to battery voltage in o2 sensor signal circuit

If you replaced the O2 sensor, then its possible that you have some electrical problem there; reset the codes first, and if this come on again, check in this link TSB P0037 electrical diagnostic procedure.

Keep us updated.

Jan 27, 2011 | 2005 Toyota Tacoma

1 Answer

How do I find out if my ecu is bad. I keep getting an oxygen sensor code and I have replaced the sensor and cleared the code but continue to have the check engine light come back on?


Make sure the check engine light was cleared after you replaced the o2 sensor....if the codes were not cleared then it will come on forever even if thetre is no problem

Nov 13, 2009 | 1997 Toyota Tacoma

2 Answers

Have p0130 and p0133 codes 98 toyota tacoma


check the mass air flow sensor there maybe dirt on the filiment inside the sensor causing false readings. cleaning or replacing it may make the codes go away.

Oct 28, 2009 | 1998 Toyota Tacoma

2 Answers

I need the wire color code for a 1999 toyota camry o2 sensor


Well - I'm not sure which one you mean - front or rear - here is a wiring diagram that should help you though.


2d7d015.jpg

Sep 18, 2009 | 1999 Toyota Camry

2 Answers

GIVE ME A DIANOSTIC CODE PO136


Hi. Here's the description of this code i pulled up out the archives. P0136 - Heated Oxygen Sensor (HO2S) Circuit Bank 1 Sensor 2. i suspect the wires are worn or beginning to separate from the sensor housing.


please rate and god bless.

Mar 18, 2009 | 2001 Toyota Tacoma

1 Answer

O2 Sensors


Autozone oxygen sensors do not function properly in Toyota vehicles. Just had a Tacoma yesterday with the same issue. New sensors, runs poor, check engine light on. Toyota sensors fixed it right now.

Dec 29, 2008 | 1996 Toyota Tacoma

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