2.
Check leakage of vacuum.
According to intake/exhaust system inspection engine hesitation is caused by leakage of vacuum. The purpose of the inspection is to check leakage of vacuum.
Engine "ON" and allow the engine to warm up to normal operating temperature.
Check leakage of vacuum.
Is there any leakage from vacuum hose?
YES
Repair leakage at vacuum hose or replace it.
NO
Vacuum hose is OK.
