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MerCruiser 5.7 MPI User Manual

MerCruiser 5.7 MPI
110 pages
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Section 7 - Troubleshooting
90-864197072 NOVEMBER 2007 Page 93
Section 7 - Troubleshooting
Table of Contents
Diagnosing EFI Problems................................... 94
Diagnosing DTS Problems................................. 94
Engine Guardian System.................................... 94
Starter Motor Will Not Crank Engine, Or Cranks
Slow.................................................................... 94
Engine Will Not Start or Is Hard to Start............. 95
Engine Runs Rough, Misses, or Backfires......... 95
Poor Performance............................................... 95
Excessive Engine Temperature.......................... 95
Insufficient Engine Temperature......................... 96
Low Engine Oil Pressure.................................... 96
Battery Will Not Recharge.................................. 96
Remote Control Is Difficult to Move, Has Excessive
Play, or Makes Unusual Sounds......................... 97
Steering Wheel Jerks or Is Difficult to Turn........ 97
7

Table of Contents

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MerCruiser 5.7 MPI Specifications

General IconGeneral
Engine TypeV8
Fuel SystemMulti-Port Fuel Injection (MPI)
Horsepower300 HP
IgnitionElectronic
Cylinders8
Fuel TypeGasoline
Alternator65 amp
Compression Ratio9.4:1
Fuel Requirement87 octane (minimum)
Displacement5.7L (350 cu in)
Max RPM5000 RPM

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