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Today I was driving in diagnostic mode, after some time, error code 43 appeared. If I drive without grounding pin 20, as soon as I connect the pin to ground, the error disappears.

I'm not sure if the problem is with the ECU, but when I drive without a boost, the fuel consumption is still high

yes

I am also responding to your email. I use 95 octane gasoline, but I have also tried 100 and 92 octane gasoline, and the fuel consumption does not change. I have not checked for air leaks using smoke, but I have checked for leaks using a quick start, and no leaks were found. The vacuum in the system ...

Yes, I read your article very carefully, and there is a discrepancy in the information in the manual, so I have some questions. in the new link, I've attached a photo of a possible wiring error, as well as a log that I recorded using evoscan, a photo of the air fuel correction table, and a photo of ...

I changed the spark plugs in the summer, and the color of the spark plug was more white than black, so I can say that it's a bit poor.

but the bangs in the muffler can be caused not only by a rich mixture, but also by ignition and even by air leakage. I've already driven with the mass connected to the body, and the fuel consumption hasn't changed, at least not significantly.

More than 2 years ago, I purchased a beautiful Japanese-made car from 1990 with an ej20g engine. The car had a 5-speed manual transmission. For more than 2 years, I have been struggling with the fuel consumption. In the city, the fuel consumption in the summer ranges from 13 mpg if the engine is not ...