The o2-sensor tag has no wiki summary.
1
vote
2answers
79 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 ...
5
votes
3answers
567 views
Sputtering while driving & idling
[My car: 2004 Mazda 3]
So, my wife came home from running some errands and told me the check-engine light was on and that the car was sputtering and felt like it was going to stall while stopped at ...
4
votes
1answer
392 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 ...
3
votes
1answer
2k 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 ...
3
votes
1answer
111 views
CEL code 43 on 1992 Civic
I'm getting CEL code 43 after doing a lot of work on my car (changing the head gasket, which involved removing and reattaching lots of exhaust and intake components, and replacing the fuel filter and ...
2
votes
1answer
239 views
High short term fuel trim on one side when starting car?
2003 Ford Crown Victoria
V8 Engine
Dual exhaust
2 cats & O2 sensors per side
Since some time last year I've been getting an error code throw up, with seemingly no regularity:
P2197 - O2 stuck ...
2
votes
1answer
179 views
O2 Sensor Error after replacing spark plugs?
Ford Taurus 2004 Sedan SES DOHC. (The car is actually in the shop right now and I told him to hold off until I get more info.)
Took the car to the local shop to get the spark plugs replaced. Because ...
3
votes
2answers
2k 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 ...
2
votes
1answer
730 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 ...
5
votes
2answers
10k views
Check Engine code P0420 Catalyst efficiency below threshold bank 1
After months of normal driving with no problems, my 2003 Honda Civic EX check engine light came on during a long trip. Got it scanned and it's P0420: Catalyst efficiency below threshold bank 1. They ...
2
votes
2answers
447 views
Find short circuit in your car
I have three engine code on, two for two O2 sensors and one for EGR Value ($350). My mechanic is suspecting a short somewhere. My O2 sensors give almost 0 home resistance when it should give about 6 ...
-2
votes
2answers
354 views
Check engine light on for O2 sensor (Oxygen) but O2 sensor has been replaced
Someone told me it could be a minor leak somewhere but the check engine light does indicate the above on Mazda 626,year 2000. Could the code be misleading?
