AIR30 - Check Reservoir to Hold Vacuum
^ Key OFF.^ Connect a hand vacuum pump to reservoir port.
^ Apply 51-67 kPa (15-20 in Hg) of vacuum.
^ Is vacuum loss greater than 1.7 kPa (0.5 in Hg) after 60 seconds?
YES -- Replace vacuum reservoir. Verify drive concern.
NO -- Return to diagnosis index to address the next possible causal component. If completed, go to diagnosis by symptom. Diagnosis By Symptom