Parisienne V6-262 4.3L (1986)
Manifold Pressure/Vacuum Sensor: Testing and Inspection
Fig. 107 - Wiring Diagram for Chart C-1D MAP Output Check. VIN P
CHART C-1D
MAP OUTPUT CHECK
4.3L ENGINE
FUEL INJECTION (TBI)
The Manifold Absolute Pressure (MAP) sensor measures manifold pressure (vacuum) and sends that signal to the ECM. The ECM uses this
information for fuel and spark control.
