Intake Manifold: Testing and Inspection
Inspect the intake manifold and air plenum for:^ Physical damage
^ Leaks at gaskets and fittings
^ Loose or missing fasteners
Repair or replace any faults.
Inspect the mixture control unit and air guide housing for:
^ Loose or missing fasteners
^ Leaks
^ Restriction
Repair or replace any faulty components.
NOTE: Always use an approved leak detection product for this purpose.