Troubleshooting; Troubleshooting - System Isolation - Volvo Penta 3.0GLP-C Owner's Manual

Troubleshooting - System Isolation

The following troubleshooting guide is provided to help you isolate a malfunction of one or more of your boat's
systems. After determining which systems are affected by the malfunction, refer to the individual system
troubleshooting charts to isolate the specific cause.
Cranking
System
Ignition
System
Engine Does
Not Start
Fuel
System
Engine Runs Improperly
VPA 7743722 English 10-2004
Table 1: System Isolation
Engine should crank at specified RPM. If not, check for:
1. Discharged or dead battery.
2. Loose or corroded connections.
3. Cranking System Troubleshooting Chart in the Electrical Igni-
tion/Fuel Service Manual.
Must have good spark at spark plugs. If not, check the:
1. Distributor cap.
2. Coil and spark plug leads.
3. Ignition timing.
4. Automatic spark advance.
5. Appropriate Ignition Troubleshooting Chart in the Electrical/Igni-
tion/Fuel Service Manual.
6. EFI Models: Refer to EFI Diagnostic Manual.
EFI Models: Refer to EFI Diagnostic Manual
Carbureted Models: Carburetor accelerator pump should squirt fuel into
the Venturi when throttle is advanced. If not, check the:
1. Fuel tank, valves, and lines.
2. Fuel pump and filter.
3. Carburetor and filter.
4. Boat Fuel System Troubleshooting Chart.
5. Carburetor Troubleshooting Chart.
6. Engine Fuel System Troubleshooting Chart.
Check the following:
1. Compression.
2. Ignition system.
3. Fuel and carburetor and injection system.
4. Lubrication system.
5. Cooling system.
6. Sterndrive and propeller.
7. PCV valve.
8. Engine Troubleshooting Guides.

Troubleshooting

Troubleshooting
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