Two technicians are discussing a stepped ECT circuit. Technician A says that the sensor used for a stepped circuit is different than one used in a non-stepped circuit. Technician B says that a stepped ECT circuit uses different internal resistance inside the PCM. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians D) Neither technician
Question 2
When diagnosing an electronic distributor ignition system, a 12-volt test light connected from the negative primary coil terminal to ground flutters while cranking the engine. A test spark tester does not fire when it is connected from the coil secondary wire to ground while cranking the engine. The cause of this problem could be a ________.
A) Defective ignition coil B) Defective primary circuit
C) Defective ignition module D) Defective pickup coil
A typical temperature sensor circuit.
A scope display showing a normal Chevrolet Equinox MAF sensor at idle speed. the frequency is 2,600 ...
Testing a dual cell wideband oxygen sensor can be done using a voltmeter or a scope. The meter ...
When the propane is shut off, the oxygen sensor should read below 200 mV.
Use a DMM set to read DC volts to check the voltage drop of the positive circuit to the fuel ...
The Pulmonary Circuit