POTENTIAL CAUSE
1. Incorrect grade of diesel fuel.
2. Water in fuel or wax buildup in filter.
3. Glow plugs inoperative.
4. Fuel lift pump inoperative.
CORRECTION
1. Drain and refill fuel tank and filter. Bleed injectors and purge lines as needed.
2. Drain water. Remove and clean filter and lines if wax formation has occurred.
3. Check current flow at relay. Minimum current is 55 amps. If OK, check current flow at each glow plug.
Current should be 14 amp. Repair wiring or replace faulty glow plug(s).
4. Check for pump operation, if inoperative check fuses and wiring. If pump operates, check flow.
