SERVICE MANUAL NUMBER 24
FUEL INJECTION SYSTEM TROUBLESHOOTING
Rough, Unstable, or Incorrect Idle, Stalling Symptom
(Continued)
Step
Action
Yes
No
PROCEED TO
1.
2.
Check or proper alternator voltage output.
The voltage should be between specified
values.
16
Is voltage between 11 - 16 volts?
Step 17
1.
Check the following Engine Mechanical
items:
•
•
•
•
•
Check compression.
Sticking or leaking valves.
Worn camshaft lobe(s).
Valve timing.
17
Broken valve springs.
Was a problem found?
Step 18
1.
2.
Check intake valves for valve deposits.
If deposits are found, remove as neces-
sary.
18
19
Were deposits found on the intake valves?
Check for faulty motor mounts.
Was a problem found?
Step 19
Step 20
1.
1.
Review all diagnostic procedures within
this table.
2.
If all procedures have been completed and
no malfunctions have been found, review/
inspect the following:
20
•
•
•
Visual/physical inspection.
Scan tool data.
All electrical connections within a sus-
pected circuit and/or system.
Contact
MerCruiser
Customer
Service
Was a problem found?
OBD
Index
90-861327--1
OCTOBER 1999
Page 5F-19
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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Marine readers have rated Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID 4.0 out of 4.0 based on 1 product reviews. Great performance engine.
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