Noise, vibration and harshness (NVH) troubleshooting
NVH troubleshooting Chart
Locate the area where noise occurs.
Confirm the type of noise.
Specify the operating condition of engine.
Check specified noise source
If necessary, repair or replace these parts.
Location
of noise
Type of
noise
Operating condition of
...
Evaporative emission system
Inspection
1.CHECK EVAP CANISTER
Block port (B).
Blow air into port (A) and check that it flows freely out of port (C).
Release blocked port (B).
Apply vacuum pressure to port (B) and check that vacuum pressure
exists at the ports (A) and (C).
Block port (A) and (B).
Apply pressure ...