2007 Buick Rendezvous Mass Air Flow Sensor

After removing the air cleaner outlet duct and disconnecting the engine harness electrical connector, you can remove the thermostat bypass pipe, the Throttle Body bolts, the throttle body, and the throttle body gasket. Then you can clean and inspect the throttle body gasket mating surfaces.

After removing the intake manifold cover, you can disconnect the fuel injector harness electrical connector. Then you can remove the MAP Sensor bolt/stud and bracket, the MAP sensor, and the MAP sensor port seal.

After draining the cooling system, you need to remove the Intake Manifold cover and the air cleaner outlet duct, disconnect the evaporative emission (EVAP) canister purge solenoid valve quick connect fitting, remove the positive crankcase ventilation (PCV) fresh air tube, and reposition the brake booster vacuum hose clamp. Then you need to remove the brake booster vacuum hose, disconnect the electronic control module electrical connector and t the manifold absolute pressure (MAP) sensor electrical connector, remove the engine harness clip, disconnect the exhaust gas recirculation (EGR) valve electrical connector, and remove the engine harness clips. After that, you can disconnect the spark plug wires from the ignition coil and remove the spark plug wire harness clips. Then you can remove the PCV foul air tube bolt, the PCV foul air tube clip, the PCV foul air tube, the ignition coil, the EGR valve, and the generator bracket. Then you can remove and inspect the throttle body seal.