Hard Starting - Cold Engine; Hard Starting - Hot Engine - Volvo 5.0OSiE-J Operator's Manual

Troubleshooting
Hard Starting - Cold
Engine
Ask these questions first:
Hard Starting - Hot
Engine
Ask these questions first:
110
Has Engine Always Done This? Check:
Fuel lines for obstructions.
For debris inside fuel tank.
See Electrical/Ignition/Fuel Service Manual.
Was Engine Unused For A Long Time? Check:
For clean fuel filter.
Water in fuel due to condensation.
Fuel quality deterioration.
See Electrical/Ignition/Fuel Service Manual.
Is This A New Condition? Check:
Fuel system–for leaks, dirt, or obstructions.
Engine timing and ignition system.
See Electrical/Ignition/Fuel Service Manual.
Has Engine Always Done This? Check:
See Electrical/Ignition/Fuel Service Manual.
Is This A New Condition? Check:
Brand, type, or octane of fuel.
Spark plugs.
Water in fuel.
Condition of battery and cables.
Starter motor–for overheat damage.
Did Engine Refuse To Start After Being Run? Check:
Ignition system primary circuit.
Ignition coil(s) and/or ignition module.
Engine timing.
Flooded engine.
See Electrical/Ignition/Fuel Service Manual.
VPA 7748131 English 09-2007