Grand Fury/Salon V8-318 5.2L VIN P 2-bbl (1984)
Powertrain Control Module: Component Tests and General Diagnostics
6 Cylinder & V8 Engines
1.
With engine at normal operating temperature, make sure carburetor switch is not grounded.
2.
Connect a tachometer to engine and increase engine speed to 1500 RPM.
3.
Connect a voltmeter to green solenoid output wire going to carburetor. Do not separate connector from wiring harness. Separate connector at
oxygen sensor and connect a jumper wire to harness end.
4.
Connect other end of jumper wire to a good ground. Engine speed should increase a minimum of 50 RPM and voltmeter should indicate more than
9 volts.
5.
Hold wire with one hand and with the other hand touch the battery positive terminal. Engine speed should decrease at least 50 RPM and voltmeter
should indicate less than 3 volts.
6.
If computer fails tests in steps 4 and 5, replace it.
