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

SERVICE MANUAL NUMBER 23
FUEL INJECTION SYSTEM TROUBLESHOOTING
FUEL SYSTEM
Section 5D - Fuel Injection System Troubleshooting
Table of Contents
Troubleshooting . . . . . . . . . . . . . . . . . . . . .
Diagnostic Trouble Codes for the
MEFI 1 454 / 502 Mag MPI and
5D-2
Visual/Physical Check . . . . . . . . . . . . .
Hard Start Symptom  . . . . . . . . . . . . . .
Surges and/or Chuggles Symptom . .
Lack of Power, Sluggish or Spongy
Symptom . . . . . . . . . . . . . . . . . . . . . . .    5D-13
Detonation/Spark Knock Symptom . .    5D-16
Hesitation, Sag, Stumble Symptom  .    5D-19
Cuts Out, Misses Symptom  . . . . . . . .  5D-21
Rough, Unstable, or Incorrect Idle,
Stalling Symptom . . . . . . . . . . . . . . . . 5D-23
Poor Fuel Economy Symptom . . . . . .   5D-27
Dieseling, Run-On Symptom  . . . . . . .  5D-29
Backfire Symptom  . . . . . . . . . . . . . . . . 5D-30
5D-6
5D-8
5D-11
8.2L
MPI Engines   . . . . . . . . . . . . . . .
5D-2
5D-2
Diagnostic Trouble Codes for the
MEFI 2 7.4L MPI Engines   . . . . . . . .
Diagnostic Trouble Codes for the
MEFI 3 454 cid (7.4L)/502 cid
(8.2L)
Engines  . . . . . . . . . . . . . . . . . .
5D-3
Scan Tool Normal Specifications (Idle /
Warm Engine / Closed Throttle /
Neutral)  . . . . . . . . . . . . . . . . . . . . . . . .
Important Preliminary Checks  . . . . . .
5D-5
5D-6
5
D
Index
90-861326--1   MARCH 1999
Page 5D-1
Product Specification
CategoriesMercury MerCruiser Manuals
Tags,
Model Year1998, 1999, 2000, 2001
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- 1027 pages
Document File TypePDF
CopyrightAttribution Non-commercial
(1 votes, average: 5 out of 5)
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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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