928 S4 V8-4957cc 5.0L (1987)
Resonance Flap
Air Conditioning Control
Throttle Switch
Oxygen Sensor
Air Flow Sensor
*
Burn off function - Engine at operating tern- perature, raise the rpm to 2500 and then shut oft the ignition. After about 3 to 4 seconds the voltage
will go to about 4 and then return to zero.
Fuel Pump Relay