sitcks there.
I assuming it means 95%, since there is no code assigned for 90% for my model year. Decel cutoff switch = microswitch?
It register 69.3% (70%) KOEO.

Symptons are intermittent:

Complete loss of power, and no response to gas pedal. Upon acceleration it bogs down.
Very rough idle.
It goes away by itself.

My diagnostics procedure:

I waited until the problem appeared and connected the meter, it slowly went to 92.3% and stuck there. Idle crappy.
Disconnected pot and idle went high, duty cycle oscillating around 45-55%. Connected it back.
Disconnected ICV, same situation as above. Connected it back.
Disconnecting ICV or Potentiometer gave me no codes with engine idling???
I expected at least a code when I disconnected the pot.
Checked the Microswitch, and it is fine. Pot checks fine also.
EHA current at idle hovering around 0mA (-0.2 to 0.2)
ICV current at idle 635 mA

Took the car out for a spin, it runs fine on I-40 at 80 MPH, all of a sudden problems occur -absolutely no power or response to pressing gas pedal- release the pedal and let it roll until about 40 MPH, press the gas and it takes off WTF???
When there is no response it feels like a rev limiter of sorts kicks in, because the car will not rev up. It downshifts sometimes but the revs barely move.

I am at a complete loss - specially since it is an intermittent problem, it makes it harder to locate.

Now YOUR suggestions, .....PLEASE

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1999 Porsche 996 Carrera Convertible
1994 420E - SOLD
1986 300E - SOLD, what a car
609 Certified