I did operational voltage in the TPS thread. Smooth, uninterrupted, linear voltage increase...
Not satisfied tho'...
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There are NO problems with the engine, no codes, nothing.
There is only the 'off idle sag' / slow response in rpm's.
5V Voltage FROM THE TPS, back to the ECM, is LINEAR; half throttle = approximately 2.3V.
TPS resistance, in mine, is exponential / logarithmic, as snappics show here.
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But now a hardware problem...
One of the secondary butterfly screw heads sheared off of the butterfly shaft. TB inside and out is clean as a whistle, but now this...
Can low - profile nut/bolt sets be purchased for the shaft?
And, the irony /
Carma of the DAG question; I've tarnished the finish in the rearward part of the P side bore. Snappics shortly here...
At worst, new (or rebuilt) TB. At best, lose a few CFM with different screws in the shaft???????????????