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i am using an OBD-II sensor and the Andriod Torque too. it shows me 22 trip mpg on 4.8 chevy express cargo van. I don't think it's real. this number stays the same no matter how I drive - highways or stop-n-go city traffic.


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If you have the black "master" key that came with your Daihatsu, adding new keys is simple. You will need to have all your keys ready, as these steps will remove all keys from the immobiliser ECU with the exception of the black master key. These steps will work for the Daihatsu Copen (pre 2013) and the Daihatsu YRV Connect the terminal T to Terminal E on ...


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Okay, I fixed it. Turns out, I had a bad catalytic converter and I was reading the wrong thing in my original post. I identified the bad cat by looking at the correct sensor data. The data posted (red and blue) is the lambda measurement, which is a derived (not actual) measurement. It's useful for the forward A/F, but useless (as far as I have seen) for ...


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The Prius has an exhaust system unique to the Prius. As it is a hybrid the engine does not operate continuously, and so the cat has to be a special case in retaining its temperature to 'light-off'. Exhaust vacuum valves and controls require servicing; heat adsorbers have to be working; air/fuel ratio sensors are used as against a straight forward O2 sensor ...


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I'm just wondering why you aren't considering the downstream O2 sensor as being the culprit? If it is sending back erroneous information back to the computer, the computer might think the cat is bad. The O2 sensor can be bad (or on the way out) and never throw a code. Something an O2 will do over time while going bad is get what is called lazy. Normally, ...



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