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6
votes
4answers
11k 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 ...
6
votes
1answer
1k 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 ...
5
votes
3answers
29k 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 ...
5
votes
1answer
7k 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 ...
4
votes
3answers
13k 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 ...
3
votes
1answer
302 views

Subaru Forester OBD Scan Codes “P0130” and “P0130 P”

My 2002 Forester Check Engine light is on. I connected an Autel MaxiScan MS300 OBD-II scan tool and got indication for two codes. Browsing through the codes, it reads P0130 and P0130 P. The first one ...
3
votes
2answers
77 views

Where can I buy the 2005 Mazda 3s 2.3L oxygen sensor plug?

I bought an oxygen sensor with the wrong plug. I wonder were could I buy a plug like the one on my car in order to connect the oxygen sensor properly? This is an image of the plug on my car. Does ...
3
votes
1answer
355 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
1answer
254 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 ...
3
votes
1answer
2k 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 ...
3
votes
2answers
679 views

Mass Air Flow Expected Values

I have a 2002 Audi A4 Quattro 3.0. I have a Vagcom USB cable and I am trying to diagnose the MAF sensor. I had a friend get some readings from an OBD2 scanner, which indicated that both precat O2 ...
2
votes
1answer
757 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
2answers
548 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
1answer
24 views

Can I use the same AFR sensor on both banks (bank 1 sensor 1 and bank 2 sensor 1)

Have 1mzfe (skip this paragraph if you don't want backstory) codes p1135/p1130/whatever the ones for the other bank are/ all showed up at the same, perfect time. ie when I was broke. Since then car ...
2
votes
1answer
87 views

How to fix O2 sensor system?

After getting some type of P116x primary heated O2 sensor error (I forget the exact error), I replaced the primary O2 sensor on my car. (I had to make a bracket for the electrical connector because ...
1
vote
1answer
47 views

How to install a California oxygen sensor into a federal catalytic converter assembly?

I have a 2000 Mitsubishi Galant ES 2.4L Engine with California emissions. Installed is a new federal catalytic converter assembly. The problem is that I do not know what kind of oxygen sensor to ...
1
vote
2answers
194 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 ...
-2
votes
2answers
467 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?