4-Cyl. Engines
- Run engine until it reaches normal operating temperature. Remove sensing resistor, glow plug connector, glow plugs and fuel cut solenoid.
- Disconnect fusible link wire from the Q.S.S.I. (Quick Start Silent Idling) controller at the connector. Install adapter (J-29762) and compression gauge into glow plug hole. Crank engine for a minimum of 6 "puffs" and note compression reading. Repeat for each cylinder.