Question about 2000 Audi A4

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On my audi a4 1.9tdi the mpg readout jumps all over the place.Just had it checked on the computer but it read no fault?

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Trip computers are notoriously jumpy because mpg is directly relative to throttle position and load. its not a fault. if the reading is steady when u hold accelerator position and gear then its working just fine. mpg will change as gears and accelerator position change because the engine is constantly changing load requirements. in other words the more u put ur foot down the more the reading changes.

Posted on Jul 13, 2010

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