MerCruiser 350 MAG MPI User Manual

Section 7 - Troubleshooting
90-864195070 JUNE 2007 Page 133
Section 7 - Troubleshooting
Table of Contents
Diagnosing EFI Problems................................. 134
Diagnosing DTS Problems............................... 134
Engine Guardian System.................................. 134
Starter Motor Will Not Crank Engine, Or Cranks
Slow.................................................................. 134
Engine Will Not Start Or Is Hard To Start......... 134
Engine Runs Rough, Misses And/Or Backfires
.......................................................................... 135
Poor Performance............................................. 135
Excessive Engine Temperature........................ 135
Insufficient Engine Temperature....................... 136
Low Engine Oil Pressure.................................. 136
Battery Will Not Come Up On Charge.............. 136
Remote Control Operates Hard, Binds, Has
Excessive Free-play Or Makes Unusual Sounds
.......................................................................... 136
Steering Wheel Turns Hard Or Jerky................ 136
Power Trim Does Not Operate (Motor Does Not
Operate)............................................................ 137
Power Trim Does Not Operate (Motor Operates But
Sterndrive Unit Does Not Move)....................... 137
7

MerCruiser 350 MAG MPI Specifications

General

Engine Type	V8
Horsepower	300 HP
Ignition System	Electronic ignition
Alternator	65 amp
Compression Ratio	9.4:1
Displacement	5.7L (350 cu in)
Fuel System	Multi-Point Injection (MPI)
Bore x Stroke	4.00" x 3.48" (101.6mm x 88.39mm)