Section 6 - Troubleshooting - Mercury 4.2 Diesel Operation & Maintenance Manual

Table of Contents
Diagnosing Electronically Controlled Fuel System Problems
.............................................................................................. 72
Troubleshooting Charts........................................................ 72
Starter Motor Will Not Crank Engine, or Cranks Slow... 72
Engine Will Not Start, or Is Hard to Start....................... 72
Engine Runs Rough, Misses, or Backfires.................... 72
90-8M0113988 DECEMBER 2015
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Section 6 - Troubleshooting

Poor Performance.......................................................... 72
Incorrect Engine Temperature....................................... 73
Low Engine Oil Pressure............................................... 73
Battery Will Not Charge................................................. 73
Remote Control Operates Hard, Binds, Has Excessive
Free‑play, or Makes Unusual Sounds........................... 73
Section 6 - Troubleshooting
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