PleasureCraft Engine Group 5.0L User Manual

5.0/5.7/6.0L/8.1L Symptoms 7 - 9
MEFI 4 - PCM
1. Check ignition coil for cracks or carbon tracking.
12 2. If a problem is found, repair as necessary.
Go to OBD
Was a problem found? — System Check Go to Step 13
1. Check for intermittent opens or short to grounds in the
ECT sensor, MAP sensor and TP sensor circuits. Also
13
check for throttle linkage sticking, binding or worn.
2. An intermittent failure may not store a DTC.
3. If a problem is found, repair as necessary. Go to OBD
Was a problem found? — System Check Go to Step 14
1. Check ECM grounds for being clean, tight and in their
14
proper locations.
2. If a problem is found, repair as necessary. Go to OBD
Was a problem found? — System Check Go to Step 15
1. Check for engine going into RPM reduction mode.
15 2. If a problem is found, repair as necessary. Go to OBD
Was a problem found? — System Check Go to Step 16
1. Check diagnostic test CKT 451 for being shorted to
16
ground. This will cause the RPM to be lowered.
2. If a problem is found, repair as necessary. Go to OBD
Was a problem found? — System Check Go to Step 17
1. Check for proper alternator voltage output.
17
2. The voltage should be between specifi ed values.
3. If a problem is found, repair as necessary. Go to OBD
Was a problem found? 11-16V System Check Go to Step 18
1. Check for the following engine mechanical problems:
• Low compression.
• Leaking cylinder head gaskets.
18
• Worn or incorrect camshaft.
• Proper valve timing/valve train problem.
• Restricted exhaust system.
2. If a problem is found, repair as necessary. Go to OBD
Was a problem found? — System Check Go to Step 19
1. Check for excessive resistance on the bottom of the
boat such as dirt, barnacles, etc.
19 2. Check for proper propeller size and pitch for that application.
3. If a problem is found, repair as necessary. Go to OBD
Was a problem found? — System Check Go to Step 20
1. Review all diagnostic steps within this procedure.
2. When all steps have been completed and no
malfunctions are found, review/inspect the following:
• Visual/physical inspection.
20 • Scan tool data.
• All connections within a suspected circuit and/or system.
3. If a problem is found, repair as necessary.
Go to OBD
Was a problem found? — System Check Contact OEM
Lack of Power, Sluggish or Spongy Symptom
Step Action Value Yes No

PleasureCraft Engine Group 5.0L Specifications

General

Brand	PleasureCraft Engine Group
Model	5.0L
Category	Engine
Language	English