Out of curiosity what cars did they introduce that with?Originally Posted by aquasurf
The DBW throttle is not causing the rev hang, its introduction only made it easier to implement the rev hang. Even before DBW in mid-70's car designers made the carburetor butterfly close slowly by adding a vacuum operated dash pots.
The pain is not in the DBW throttle system, it is in the ECU program instructions using the DBW to perform unnatural acts, like the rev hang.
I wonder why you said that when I wrote yesterday that an electronic module has been invented that kills the throttle hang. I have one in my '12 Accord Euro and it works a charm (demo is in this YouTube video).
Yes, I bought one in January 2014 and thoroughly tested it when connected to a throttle pedal in test rig. Its function is to change the relationship between the position of throttle pedal and the sensor voltage. It simply creates additional maps (9 for power and 7 for economy modes) and these have no influence on rev hang in any conceivable way. The device just makes the driver feel that his car is performing better and this is essentially true in the sense that the engine revs higher for any given throttle pedal input when in power mode against the standard setting. Attachment 28594
And yeah, I forgot about that module lol.
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