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alfizta

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Posts posted by alfizta


  1. I guess this explains it:

    «One thing to keep in mind about wideband O2 sensors is that they can be fooled in the same way as a conventional oxygen sensor by air leaks between the exhaust manifold and head, and by misfires that allow unburned oxygen to pass through into the exhaust. Either will cause the sensor to indicate a false lean condition which, in turn, will cause the computer to make the engine run poorly, idle badly, or fuel constantly rich.»


  2. the other day, when starting the engine, a severe tapping (metal hitting metal) noise, never heard before, coming from the top of the engine and more audible near the exhaust manifold. 2nd start, the same noise.

    I quitted and grabbed my 146 for the task.

    when returned home, started the engine again and noticed that the noise was going away as the engine was warming up.

    the day before had a ride with no issues at all. next day to the "tap" day, started the and run the engine all day with no strange noises... relief!...

     

    what should I be fearing?

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