Pacifica V6-3.8L VIN L (2005)
Intake Manifold: Testing and Inspection
DIAGNOSIS AND TESTING - INTAKE MANIFOLD LEAKS
An intake manifold air leak is characterized by lower than normal manifold vacuum. Also, one or more cylinders may not be functioning.
WARNING: USE EXTREME CAUTION WHEN THE ENGINE IS OPERATING. DO NOT STAND IN A DIRECT LINE WITH THE
FAN. DO NOT PUT YOUR HANDS NEAR THE PULLEYS, BELTS OR THE FAN. DO NOT WEAR LOOSE CLOTHING.
1) Start the engine.
2) Spray a small stream of water (Spray Bottle) at the suspected leak area.
3) If engine RPM'S change, the area of the suspected leak has been found.
4) Repair as required.