Craftsman Marine CM 2.16 troubleshooting: 13 fault codes and symptom-cause-remedy entries from the manufacturer's own service documentation.
Craftsman Marine CM 2.16 — full specs, parts & maintenance.
| Symptom | Cause | Remedy |
|---|---|---|
| Starter motor does neither rotate nor engage | Defective or discharged battery, Burnt fuse, Loose or corroded connections in the starter circuit, Defective starter switch or relay, Defective starter motor or pinion does not engage, Starter relay not activated owing to insufficient voltage, on account of a too long cable from engine to instrument panel, Jammed components | Check battery/charge or replace and check alternator for proper functioning, Replace, Clean and tighten the connections, Replace defective component, Replace starter motor Fit an auxiliary starter relay |
| Starter motor turns round, but engine does not respond | Check / clean, Check fuel quality. Drain fuel tank and rinse it well. Fill with good quality fuel, Replace by good quality lubrication oil | |
| Starter motor turns round, but engine does not respond; smoke comes from exhaust | Check / readjust, Check air intaker and remove blockage, Check fuel quality. Drain fuel tank and rinse it well. Fill with good quality fuel | |
| Engine starts running but with irregular cycles or it stops again | Check / clean or replace, Check and replace, if necessary, Check / remove blockage, Readjust, Check fuel quality. Drain fuel tank and rinse it well. Fill with good quality fuel, Check / clean | |
| Engine does not arrive at maximum revolutions under full load | Check / remove blockage, Check / readjust, Drain sufficient oil quantity, Replace by engine lubrication oil of good quality, Adjust | |
| Engine becomes overheated | Level of cooling liquid too low, Raw water seacock closed, Raw water strainer clogged, Leakage in raw water entry system, Defective thermostat, Cooling liquid pump defective, Defective impeller of raw water pump, Defective injector / injector pump | Check / bleed the system, Clean or replace, Check and replace, if necessary, Check / remove clogging, Check air inlet and ventilation openings in engine room |
| Not all cylinders are performing well | Check dimensions of boat propeller | |
| Engine has little or no oil pressure | Oil level too high, Oil level too low, Defective oil filter | Check / readjust, Check / remove clogging, Check air inlet and ventilation openings in engine room |
| Engine oil consumption excessively | Check dimensions of boat propeller | |
| Excessive fuel consumption of engine | Poor or polluted fuel quality, Defective injector / injection pump, Incorrect injection moment, Excessive wear and tear of cylinder / piston, Insufficient supply of combustion air | Check fuel quality. Drain fuel tank and rinse it well. Fill with good quality fuel, Check and replace if necessary, Check / adjust, Check compression, overhaul engine if necessary, Check the air intake and the ventilation openings in the engine room |
| Blue smoke coming out of the exhaust (when idling) | Oil level too high, Excessive inclination angle of the engine, Leaking oil seal of the turbo compressor | Lower oil level, Check / adjust alignment of engine, Check / replace |
| Black smoke coming out of the exhaust (under load) | Defecte turbocompressor, Insuffient supply of combustion air, Leakage in air intake manifold, Defective injector / injection pump, Incorrect injection moment, Incorrect valve clearance, Excessive wear and tear of cylinder / piston, Engine overheated, does not reach maximum rpm | Check air intake as well as the ventilation openings in the engine room, Check/ replace, Check/ replace, Check and replace when necessary, Check / adjust, Readjust, Check compression, overhaul the engine if needed, Check the dimensions (diameter and pitch) of the propeller and replace the propeller if necessary. |
| Engine produces white smoke from the exhaust (at full load) | Air inclusion in the fuel system, Defective injector / injection pump, Water in the fuel system, Defective pre-heating plugs, Incorrect valve clearance, Incorrect injection moment, Poor fuel quality or polluted fuel, Condensation of vapour in the exhaust system, on account of very low ambient temperature | Check / bleed the system, Check / replace if necessary, Check / replace water separator / fuel filter, Check / adjust, Check fuel quality. Drain fuel tank and rinse it well. Fill with good quality fuel, No problem, no danger |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Documented causes: Defective or discharged battery, Burnt fuse, Loose or corroded connections in the starter circuit, Defective starter switch or relay, Defective starter motor or pinion does not engage, Starter relay not activated owing to insufficient voltage, on account of a too long cable from engine to instrument panel, Jammed components. See the table for the matching fixes.
Documented causes: Level of cooling liquid too low, Raw water seacock closed, Raw water strainer clogged, Leakage in raw water entry system, Defective thermostat, Cooling liquid pump defective, Defective impeller of raw water pump, Defective injector / injector pump. See the table for the matching fixes.
Documented causes: Oil level too high, Oil level too low, Defective oil filter. See the table for the matching fixes.