Quote:
Originally Posted by LeftCoastErik
Its the electronic throttle. Better in DS.
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Gasoline engines have throttle bodies since they operate at an air:fuel ratio of about 14.7:1. If the air intake in a spark ignition engine were not controlled by a TB, pinging and pre-detonation would occur.
Diesel engines have very large air:fuel ratios as high as 200:1 so there is no need to have a butterfly to control air intake...hence no throttle body to control in a diesel.
Whatever problem you may be describing may have to do with other aspects of the M57, but I don't believe it has anything to do with the "electronic throttle."
01-25-2012, 03:35 PM
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