All Questions
28 questions
0
votes
1
answer
25
views
Down stream oxygen sensor wiring code
I had my catalytic converter stolen on my 2013 Toyota Tacoma and they cut the oxygen sensor wires so I bought one from e bay and the down stream sensor also my problem is I don't know how to match the ...
- 1
1
vote
1
answer
85
views
O2 vs Air/Fuel Sensors?
I have a CEL with (apparently really common) codes P0420 and P0430, i.e. issues detected with both catalyst system banks.
My vehicle is a 2007 Toyota 4Runner (Limited, 2WD, 6-Cyl) with about 150K on ...
- 485
3
votes
1
answer
140
views
Corolla oxygen sensor welded to manifold, engine light goes off when parked nose up
My Corolla 2006 had the engine light come up, and the code PO 171. I changed the mass air flow sensor, and a mechanic tried to change the oxygen sensor but he told me that it was welded to the the ...
- 31
2
votes
2
answers
214
views
2002 Toyota RAV4 major emissions issue, multiple sensor faults
I’m having problems with my Toyota RAV4. I bought the car 6 months ago with a lambda sensor fault.
By time I got it home, had lambda bank 2, sensor 2 and Mass airflow sensor faults.
Changed both, okay ...
- 21
2
votes
1
answer
771
views
2000 Toyota Camry P0155 Error Code
I have a 2000 Toyota Camry V6 with a California emissions package. I am getting a P0155 error on my OBD tool. This is either a O2 Heated Oxygen Sensor or An A/F sensor. I get confusing information ...
- 23
0
votes
0
answers
25
views
O2 bank 2 sensor 1 engine side female connector wiring sequence [duplicate]
In replacing the O2 sensor on my 2001 Toyota Sequoia Limited, I pulled the female connector away from the wires. I bought a replacement connector (10869) with 8" pigtail but it has all black ...
- 1
1
vote
1
answer
2k
views
O2 Sensor Bad Voltage Reading? 2013 Toyota Corolla
I'm Looking at the o2 sensor data for my 2013 Corolla and don't know if B1S2 is bad or not. I've heard that o2 sensors in general should oscillate between 0 and 1 V but I've also heard that for newer ...
- 11
2
votes
0
answers
675
views
2001 Camry P1135 Cause
Sorry in advance for the long post.
My check engine light in my 2001 Camry 4cyl recently came on with code P1135. Google shows that this is usually a faulty sensor. However, I noticed on some posts ...
- 21
2
votes
0
answers
625
views
Reoccuring Check Engine Light (P0135 (Oxygen Sensor Heater) - 2000 Toyota Camry V6
Here is the situation:
I have a 2000 Toyota Camry V6 (not California model) with a reoccurring check engine light. The code is P0135 - Heated Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)...
- 21
0
votes
1
answer
2k
views
2003 toyota sequioa oxygen sensor upstream color code diagram
2003 toyota sequia 4wd engine side the harness connector ripped, i need the color code.Engine side the wires are green with red stripe, green with white stripe, black, white I dont know how to rewire ...
1
vote
0
answers
73
views
AF/O2 and Fuel Trim data - Normal or not?
I'm learning to diagnose my car's poor gas mileage:
Car: 2010 Toyota Matrix (Base).
Engine: 1.8L, 4 cylinders, Auto, FWD.
ODO: 103,000km (64,000 miles).
City gas mileage: 12.6L/100km = 18.6 mpg
(...
- 21
2
votes
1
answer
6k
views
2005 toyota camry 3.0l bank 1 sensor 2 where is it
i have a 2005 toyota camry v6 3.0l it needs a bank 1 sensor 2 where is it or which one on the exhaust is it. im not sure about words like downstream just want to make sure
- 21
1
vote
1
answer
995
views
Rear oxygen sensor signal rate of change and p0420
What is the minimum time rate of change (absolute value) of the rear o2 sensor signal voltage that will trigger a p0420 dtc? This is probably vehicle specific, but a ball park figure would help. ...
- 11
2
votes
0
answers
412
views
2001 Toyota Rav4 O2 sensor change
When changing O2 sensor B1 S2 on 2001 rav4 do you have to loosen the engine mount to access sensor with o2 socket, or is there an easier way?
- 31
6
votes
1
answer
23k
views
02 sensor displays constant 3.3 volts, not a jagged waveform. 2002 rav4
Got P0420 and P0430 codes, suggesting the catalytic converter needs to be replaced. Everything I have read suggests the wave form after the cat ( sensor 2) should be a delayed version of before the ...
- 163
6
votes
3
answers
14k
views
Removing stubborn o2 sensor - danger of stripping thread?
(2002 Toyota Previa/Estima/Tarago ACR30, engine 2AZ-FE)
One of my two pre-cat O2 sensors is faulty. The garage I put the car in did not manage to replace it - they told me it is stubborn and that ...
- 193
4
votes
2
answers
2k
views
P2195 trouble code 2007 Toyota Sienna
I have a P2195 trouble code with my 2007 Toyota Sienna CE. This is
O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1.
It's a little confusing but if I am reading my Haynes manual correctly, the ...
2
votes
2
answers
154
views
My Toyota fails under full throttle but not when feathered
My car is a Toyota MK4 NA Supra and it has a problem I don't understand. When I push the throttle gently, whether in park or in drive, it gradually builds revs and moves but when I push it hard i.e ...
3
votes
3
answers
13k
views
P1135 code on 2003 Toyota RAV4
I have a Toyota RAV4 2003 and the CEL used to come on and off, but now lately it stay on all the time.
I did check with OBD reader and the car had a P1135.
I did check the voltage on upstream and ...
- 31
3
votes
1
answer
12k
views
Oxygen sensor malfunction
2005 Toyota Tundra v8
This truck overheats with no radiator fluid loss. Also had power loss. Motor shake. Codes came back with a voltage high/low and both oxygen sensors upstream needed replacement.
...
- 697
4
votes
1
answer
739
views
Why would a lambda sensor fail?
I had an early failure of one of the two lambda sensors in my 2011 Toyota Yaris that was driven for approximately 40 000 - 50 000 km at the time of failure. Fortunately, this was replaced for warranty....
- 15.3k
0
votes
3
answers
7k
views
Location of O2 sensor on 1990 Toyota pickup
I'm trying to locate the O2 sensor on my 1990 RWD 22R 2.4 Toyota pickup truck.
I've looked all over underneath the car by the driver's side seat. There is no O2 sensor on top of the exhaust pipe, ...
- 1
3
votes
1
answer
2k
views
O2 Sensor - 1998 Toyota Camry 2.2L 4-cyl
I was getting a few error messages p1135 being one of them, which seems to indicate that the O2 1st bank 1st sensor should be replaced.
My car is 4cyl, so there is only one sensor under the hood (pre ...
- 31
2
votes
2
answers
423
views
Toyota manual transmission problem
I took my 2003 Toyota Matrix in to the dealership for service. It has 105,000 miles - the oxygen sensor needed replacing, but no other issues found. Now I feel as though I need to shift to a higher ...
6
votes
2
answers
6k
views
P2238 Positive Current Circuit Low on Toyota Camry 2004
I'm getting P2238 Positive Current Circuit Low from my car, for O2 Sensor in Bank 1 Sensor 1 for my Toyota Camry 2004 (4 cylinder). What is it and how can I fix this problem? From what I've read on ...
- 407
5
votes
2
answers
62k
views
P0136 Bank 1 Sensor 2 - Sensor location
I'm getting P0136 bank 1 sensor 2 circuit malfunction from my Toyota Camry 4 cylinder, which from past experience means I need to replace it. I've replaced the O2 sensor in the exhaust manifold ...
- 407
6
votes
4
answers
104k
views
How do I resolve error code P1135 in my Toyota Camry?
I recently replaced the downstream O2 sensor in my Toyota Camry. Shortly thereafter, the check engine like came on again providing the following codes:
P1135 which I understand to be the upstream ...
- 193
3
votes
2
answers
7k
views
How do I repair the O2 sensor in a 2001 Toyota Camry?
I have a 2001 Toyota Camry and the O2 sensor near the front of the car is bad (this is confirmed by the code that the computer has returned).
Though I'm not particularly knowledgable about cars (...
- 193