4A-GE MK1 Engine TVIS, not sure if tis my Culprit or not. [Archive] - Toyota MR2 Message Board

4A-GE MK1 Engine, throttle, tvis, problem, response, 2900, returns, harder, accels, partially, applied, nicely, advice, accelerate, awesome, state, input, words, position, sensor, slug, 1985, 4age, parameters, test, culprit, operational, sketchy, sluggishness, engine, time

As i am not sure how to test the TVIS or what its operational parameters are, I am not sure if its my problem. 1985 MK1 - 4AGE n/a My problem is this, in throttle I get sketchy response from the engine until about 2900 RPM. at that time the throttle response is what it should be. But, (LOL there always is a but) If I still get to much into throttle its response returns to sluggishness. In other words at 2900 RPM if the throttle is partially applied it accels very nicely. If i try and