<https://www.rhocar.org/index.php?/forums/topic/45193-mondeo-engine-fault/#comment-369663>
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"Can you read throttle pot values with the elm? I would check the values through the range and when you have the revving fault when changing gear. I don't know if the mk3 was throttle cable or fly by wire but it sounds like it's getting the wrong values or sticking.... you don't have to recalibrate the throttle pot settings when changing it perhaps?  \n  \nI doubt the IACV as it regulates a small amount of air, I doubt it could supply enough air to get the engine to rev to 4000 on its own. Also the ecu would not be seeing throttle input so the mixture would be overlean and the engine would cut out.  \n  \nAs I said I would look at the throttle cable/ position sensor with the elm tool and look at the Max and min values...  \n"
<https://www.rhocar.org/index.php?/forums/topic/45193-mondeo-engine-fault/#comment-369660>