April 5, 2026: LEMON Manuals is launched! Read the announcement.

Code 34 - Vacuum Sensor Circuit

Fig 1: Flow Chart, Code 34 - Vacuum Sensor Circuit

NOTE: Check for over 34 kPa (10" Hg) of vacuum at sensor with engine idling. If not OK, repair.

Fig 2: Flow Chart, Code 34 - Vacuum Sensor Circuit