Manifold Pressure/Vacuum Sensor: Service and Repair

Manifold Absolute Pressure Sensor Replacement

Removal Procedure




1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Air Cleaner Outlet Duct Replacement).
2. Disconnect the evaporative emission (EVAP) canister purge tube from the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
3. Reposition the EVAP canister purge tube (1) out of the way.




4. Disconnect the fuel injector wiring harness electrical connector (1) from the manifold absolute pressure (MAP) sensor.




5. Remove the fuel injector wiring harness clips (1) from the fuel rail tabs.
6. Disconnect the fuel injector wiring harness electrical connector (2) from the number 3 fuel injector.




7. Squeeze tabs and slide the MAP sensor (1) upward.

Installation Procedure




1. Lubricate the NEW MAP sensor seal with clean engine oil.
2. Install the MAP sensor (1) into the intake manifold.




3. Connect the fuel injector wiring harness electrical connector (2) to the number 3 fuel injector.
4. Install the fuel injector wiring harness clips (1) to the fuel rail tabs.




5. Connect the fuel injector wiring harness electrical connector (1) to the MAP sensor.




6. Position the EVAP canister purge tube (1) out of the way.
7. Connect the EVAP canister purge tube to the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
8. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Air Cleaner Outlet Duct Replacement).