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5
votes
1answer
64 views

Engine lean issues

Vehicle is a 2006 Ford Courier, started having hesitation/loss of power after fill up at a gas station that I'd never been to before. I depend on it for transport so I'm forced to still drive it, ...
3
votes
0answers
97 views

Nagging P0430 (and now a pending P0420 too!) 2004 Lexus ES330

I've got a 2004 ES330 (2nd owner) with roughly 315,000. We didn't pay much for the car in 2012 with 164,000 miles. So, i've never gone overboard in maintenance of it. A year ago, when it was time for ...
1
vote
3answers
391 views

Is obd code P0133 anything to worry about?

The day before I got this obd code I changed clutch and gear box oil. 15 minutes before I got this code one of my brakes pads completely wore out. I read a bit about the code and I guess they are not ...
8
votes
2answers
4k views

Can a check engine light reset itself when a scan tool is connected?

I have a Toyota RAV4 2002 4WD. I was driving to the car wash when suddenly the check engine light come on when I accelerated hard. After the wash, it still was on. I drove home, shut it off, turn it ...
3
votes
0answers
819 views

P0420 Catalyst efficiency below threshold bank 1 With CO emission only!

I saw this code in OBD2 scanner on Skoda Fabia 1.2 2006 64hk petrol. It doesn't matter to me except that the car failed the inspection and I'm not allowed to drive it any more. The problem was too ...
6
votes
1answer
6k views

Identifying faulty O2 sensor with scan tool

I have a 2002 Toyota Corolla (engine 1zz-de) and I am trying to get to the bottom of a p0171 code. I've read from other posts that a faulty O2 sensor could cause the lean condition, so I have been ...
3
votes
1answer
1k views

Interpreting O2 sensor readings

I have a 2001 Honda Prelude SH (Honda H22A4 Engine). The exhaust has two oxygen sensors; one before the catalytic converter (sensor 1) and one after (sensor 2). Holding at 2500 RPM and sitting still ...
2
votes
0answers
72 views

Translating raw CAN responses into meaningful min/max/value

http://www.scangauge.com/support/x-gauge/xgauges-for-cansf-vehicles/ This website lists data reported by certain sensors. Lets take an example: Gauge = Short Term Fuel Trim Bank 1 TXD = 07E00106 ...
7
votes
1answer
12k views

Is Torque App reliable to read O2 sensor data?

My 2006 Toyota Prius is throwing code P0420 and I used a cheap OBD-II reader with Torque App on Android to check if my O2 sensors are working or not. I tried the maintenance mode to just run the ...
5
votes
1answer
3k views

Oxygen sensor PID for 2004 Toyota Camry 4-cyl

My 2004 Toyota Camry with 170k miles is pulling a P0420 code, which I've read can be due to a bad catalytic converter or O2 sensors. I have an OBD-II tool with the DashCommand app on my iPhone. ...
3
votes
3answers
9k views

P0420 in a Prius

EDIT #2: I rescanned, looking at the correct data, and found the rear O2 sensor was definitely bouncing up and down with the forward sensor's lambda reading. Since I have looked for leaks and couldn'...
4
votes
1answer
2k 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 ...