...lean gas mixture because it is getting more air to the fuel system than gasoline. Start with the leak , then the Engine temperature sensor. I think that fixing the lek will "fix' the othe 2 problems. ...
...lean mixture. Cleaned EGR & temporarily turned off the "engine check" light. Tried to manipulate the ECU but still won't correct the problem. Need help for further rectifications. change the mass ...
...mixture compensation keeps the frequency of the front oxygen sensor high due to the changes from rich-to-lean comvustio. The catalyst causes the rear oxygen sensor to have a lower frequency. As the ...
rich or lean air fuel mixture Hi there:The PCM doesn't know if the fuel mixture is rich or lean? What codes were them?
...fuel pressure is doing when you are turning the key on and off.If one of the sensors is out of spec, it could cause the fuel mixture to be rich or lean, but again it should be setting a trouble
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