Test NTC-14A - Checking Engine Vacuum
NOTE:
Perform TEST NTC-1A or NTC-13A before proceeding.
- Connect vacuum gauge to engine vacuum source. Start engine and allow to idle. Note engine vacuum reading. Turn engine off.
- Engine vacuum should be steady and 13-22 in. Hg depending on the altitude. If engine vacuum is not within specification, perform TEST NTC-18A. If engine vacuum is within specification, engine vacuum is normal. Test is complete.