Ill give you manufacturers are prob doing it to make their parts stay together. Also justifies bigger prices.

"So you give it 50% throttle and get 100% and the tire spins. You can hold it 100% APP and on shifts it will back off the throttle angle and reopen it. I do not like it. This save on abuse of parts warrantied for 100,000 miles"

While that is prob true, theres a lot of satisfaction when you lay down about 50 yards of tire,

quote Originally posted by rogergarrison: Ill give you manufacturers are prob doing it to make their parts stay together. Also justifies bigger prices. "So you give it 50% throttle and get 100% and the tire spins. You can hold it 100% APP and on shifts it will back off the throttle angle and reopen it. I do not like it. This save on abuse of parts warrantied for 100,000 miles" While that is prob true, theres a lot of satisfaction when you lay down about 50 yards of tire,

So then donuts would be a thing of the past? All you drifters out there might have a problem. Then again Traction control features can always be turned off . . . right?

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HARDCORE SBC CRONIE AND PROUD OF IT ! GOT TQ ?

So when the uneducated, non english speaking, ghetto cruiser is told to turn something off. They can't understand why. I paid for it I won't it on. The first one I had came in with 20,000 mile on it. The customers just had three tire put on it. Both fronts and one rear. The tire are different sizes from front to the back and they had bought all three the same size. this will cause a traction event. They had burned up the right rear and the fronts in 20k miles. I sold them rear brakes on this visit because they were gone. The customers own a restaurant and must be about 50 to 60 years old. one of the other customers from that same area of town needed tires also at about 25k miles, but their moneys not be right. That customer I had to road test with she was telling me that the car was rocking as we drove over bumps. It was the sunroof making noise. Non English speaking. That is why cars are built the way they are. END OF STORY. Stupid poeple should ride the bus! You betta throw some rims on the bus so we be lookin good.

Interesting snap shot.

quote Originally posted by Pyrthian: hmpf....a TPS? why would this be needed, if the ECM controls where the throttle will be anyways? actually, I assume this is for backward compatibility & options.....

It sort of is for backwards compatibility. But it's more for diagnostics than anything else. If the ECM sends the signal to open the throttle to 40%, and for some reason, the system opens to 41%, the TPS will then send back a 41%, the ECM will recognize this, and adjust accordingly. The whole process would happen in only a few milliseconds, so it would probably be un-noticeable to the human eye.

On any engine with Active fuel Management the electronic throttle is needed because when the engine switches from V8 mode to V4 the throttle has to open more to maintain the same power level. Without an electronic throttle active fuel management would not be possible.