SERVICE MANUAL NUMBER 23
TROUBLE CODE DIAGNOSTICS - 454/502 MAG MPI & 8.2L MPI
FUEL SYSTEM
Section 5F - Trouble Code Diagnostics-
454 / 502 MAG MPI & 8.2L MPI
Table Of Contents
Clearing Trouble Codes . . . . . . . . . . . . . .
Clearing Codes Using Diagnostic Code
Tool . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clearing Codes Using Scan Tool . . .
Diagnostic Testing Without A Scan Tool
Code 14 (1 of 3): Engine Coolant
5F-3
Diagnostic Testing Using A Scan Tool . .
Code 14 (1 of 2): Engine Coolant
Temperature (ECT) Sensor Circuit
(Scan) . . . . . . . . . . . . . . . . . . . . . . . . .
Code 21 (1 of 3): Throttle Position
(TP) Sensor Circuit . . . . . . . . . . . . . .
Code 21 (3 of 3): Throttle Position
(TP) Sensor Circuit . . . . . . . . . . . . . .
5F-21
5F-3
5F-3
5F-4
5F-21
5F-23
5F-25
Temperature (ECT) Sensor Circuit .
Code 14 (2 of 3): Engine Coolant
5F-4
5F-5
5F-6
5F-7
5F-9
Temperature (ECT) Sensor Circuit .
Code 14 (3 of 3): Engine Coolant
Code 23 (1 of 2): Intake Air Temperature
(IAT) Sensor Circuit . . . . . . . . . . . . . .
Code 33 (1 of 3): Manifold Absolute
Pressure (MAP) Sensor Circuit . . . .
Code 42 (1 of 3): Ignition Control (IC)
Circuit . . . . . . . . . . . . . . . . . . . . . . . .
Code 43 (1 of 3): Knock Sensor (KS)
Circuit . . . . . . . . . . . . . . . . . . . . . . . . .
Code 51 (1 of 2): Calibration Memory
Failure . . . . . . . . . . . . . . . . . . . . . . . . .
5F-26
Temperature (ECT) Sensor Circuit .
Code 21 (1 of 2): Throttle Position (TP)
Sensor Circuit . . . . . . . . . . . . . . . . . .
Code 23 (1 of 2): Intake Air Temperature
(IAT) Sensor Circuit . . . . . . . . . . . . .
Code 33 (1 of 3): Manifold Absolute
5
F
5F-28
5F-31
5F-34
5F-37
Pressure (MAP) Sensor Circuit . . . .
Code 42 (1 of 3): Ignition Control (IC)
Circuit . . . . . . . . . . . . . . . . . . . . . . . . . .
Code 43 (1 of 3): Knock Sensor (Ks)
Circuit . . . . . . . . . . . . . . . . . . . . . . . . .
Code 51 (1 of 1): Calibration Memory
Failure . . . . . . . . . . . . . . . . . . . . . . . . .
5F-11
5F-14
5F-17
5F-20
Index
90-861326--1
MARCH 1999
Page 5F-1
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 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 GM V8 GM V8 454 CID 7.4L and 502 cid 8.2L Marine Engines Service Manual Number 23 5.0 out of 5.0 based on 1 product reviews. Just need the manual. Wrote review. Can't technically review what I haven't seen yet...