FUEL INJECTION SYSTEM TROUBLESHOOTING
SERVICE MANUAL NUMBER 24
Cuts Out, Misses Symptom (Continued)
Step
Action
Yes
No
PROCEED TO
1.
Check engine mechanical for the following
conditions.
•
•
•
•
•
•
•
Low compression.
Sticking or leaking valves.
Bent push rods
9
Worn rocker arms.
Broken valve springs.
Worn camshaft lobe(s).
Incorrect valve timing.
Was a problem found?
Step 10
Step 11
1.
Check Intake and exhaust manifold(s) for
casting flash.
10
Was a problem found?
1.
Check for Electromagnetic Interference
(EMI). A missing condition can be caused
by EMI on the reference circuit. EMI can
usually be detected by monitoring engine
rpm with a scan tool or tachometer. A sud-
den increase in rpm with little change in
actual engine rpm change, indicates EMI is
present.
11
2.
If EMI is present, locate and repair the
source.
Was a problem found?
Step 12
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:
•
•
•
Visual/physical inspection.
Scan tool data.
All electrical connections within a sus-
pected circuit and/or system.
If a problem is found, repair as necessary.
12
Contact
MerCruiser
Customer
Service
3.
Was a problem found?
OBD
Index
Page 5F-16
90-861327--1 OCTOBER 1999
| 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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