Mercury MerCruiser GM V8 GM V8 454 CID 7.4L and 502 cid 8.2L Marine Engines Service Manual Number 23

FUEL INJECTION SYSTEM TROUBLESHOOTING
SERVICE MANUAL NUMBER 23
Rough, Unstable, or Incorrect Idle, Stalling Symptom (Continued)
1.
Check
the
following
Engine
Mechanical items:
Check compression.
Sticking or leaking valves.
Worn camshaft lobe(s).
Valve timing.
17
Broken valve springs.
2.
If a problem is found, repair as nec-
essary.
Go to OBD
System
Check
Was a problem found?
-
Go to Step 18
1.
Check   intake    valves   for    valve
deposits.
2.
If  deposits  are  found,  remove  as
necessary.
18
19
Go to OBD
System
Check
Were  deposits   found  on  the   intake
valves?
-
-
Go to Step 19
Go to Step 20
1.
2.
Check for faulty motor mounts.
If a problem is found, repair as nec-
essary.
Go to OBD
System
Check
Was a problem found?
1.
Review  all  diagnostic   procedures
within this table.
2.
If  all procedures  have  been  com-
pleted  and  no  malfunctions  have
been found,  review/inspect the fol-
lowing:
Visual/physical inspection.
Scan tool data.
All  electrical  connections  within  a
suspected circuit and/or system.
20
Contact
MerCruiser
Customer
Service
3.
If a problem is found, repair as nec-
essary.
Go to OBD
System
Check
Was a problem found?
-
Index
Page 5D-26
90-861326--1   MARCH 1999
Product Specification
CategoriesMercury MerCruiser Manuals
Tags,
Model Year1998, 1999, 2000, 2001
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- 1027 pages
Document File TypePDF
CopyrightAttribution Non-commercial
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Mercury MerCruiser GM V8 GM V8 454 CID 7.4L and 502 cid 8.2L Marine Engines Service Manual Number 23 SKU UPC Model
Matt on Apr 08, 2015.

Just need the manual. Wrote review. Can't technically review what I haven't seen yet...


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