Mercruiser 8M6005749 | 8M2100904 ECM Repair

Original price was: $599.00.Current price is: $499.00.

Mercruiser | Mercury | 8M6005749 | 8M2100904 ECM Repair.

Your ECM will be returned fully reconditioned, tested, and ready to be installed back to the exact vehicle it came off, saving you the time & expense of having a new ECM programmed to your machine.

We first diagnose the unit; if it’s not repairable or no problems are found, it costs $200 plus domestic and standard shipping return.

In this case, we will process a partial refund for the difference.

Description

Mercruiser | Mercury | 8M6005749, 8M2100904 ECM Repair Service. Your ECM will be returned fully reconditioned, tested, and ready to be installed back to the exact vehicle it came off, saving you the time & expense of having a new ECM programmed to your machine. PCM0904. PCM112

Mercury-300hp-ECM-Repair-Service

PN: 8M0142723, 8M0149471, PCM112, PCM112-14-310, PCM112-17-311, 8M0071875, 8M6500112, 8M0104328, 8M0048218, 8M0099830, 8M2100904, PCM0904

This 8M0142723 PCM 250 V8 DTS fits the following models:
Mercury Outboard 225HP 225HP V8 Sea Pro 2B529482 & Up Electrical
Outboard 250HP 250HP V8 2B529482 & Up Electrical
Outboard 300HP 300HP V8 2B529482 & Up Electrical
Outboard 300HP 300HP V8 Sea Pro 2B529482 & Up Electrical
Outboard 250HP 250HP V8 Sea Pro 2B529482 & Up Electric
4.6L 250 HP V8 DTS PCM, 8M0142723, 8M0149471, 8M6005749
4.6L 300 HP Verado PCM 8M0142964, 8M6005749, 8M0148147, PCM112

SW: VPEDVU-12A650-CA, VPEDVU-12A650-AB

Application: Mercury 250HP DTS, MPI 5.7l, Mercruiser 8.2L BRAVO, 8.2 Bravo_DTS_EC

We first diagnose the unit; if it’s not repairable or no problems are found, it costs $200 plus domestic and standard shipping return.

In this case, we will process a partial refund for the difference.

Mercury Mercruiser ECM Warranty

A 1-year warranty even backs our ECM repair service. Our experts not only repair your ECM but also ensure that it’s built for reliability and long-lasting performance.

Common Problems

  • Blowing fuses
  • No communication
  • Engine shutting down
  • Fault codes in unit
  • Intermittent faults
  • Oil intrusion
  • Water damaged
  • Injector driver faults

Process

You need only ship your unit to us, and we will diagnose the faults and ship the fixed unit back.

Why trust us

Our engineering team has over 15 years of experience, more than 10K repaired ECMs, and the latest simulation technology. We are always happy to provide technical assistance. Feel free to contact us to discuss the faults you are experiencing before sending in your parts.

Important note:

The Mercruiser 8M6005749 ECM is the main computer for various Mercury outboard motors, including the 250 HP DTS, 250 HP FourStroke, and 250 HP ProXS. It controls the motor’s significant systems, including the engine, ignition, fuel injection, and charging system. The ECM uses inputs from sensors throughout the motor to monitor operating conditions and adjust the various techniques as needed. The ECM also stores diagnostic codes that can be used to troubleshoot problems with the engine.

Here are some of the specific functions of the Mercury 8M6005749 ECM:

  • Controls the engine speed, fuel injection, and other engine functions
  • Controls the ignition timing and other ignition functions
  • Controls the fuel injection system, such as the fuel pressure and flow rate
  • Controls the charging system, such as the voltage and amperage output
  • Stores diagnostic codes that can be used to troubleshoot problems with the motor

If you have any problems with the ECM on your Mercury outboard motor, you should contact a qualified Mercury dealer for assistance.

Common Symptoms

Here are some common symptoms of a bad ECM:

  • The motor will not start or run
  • The engine will run rough or misfire
  • The motor will overheat
  • The engine will not charge the battery
  • The engine will display diagnostic codes

If you experience any of these symptoms, it is vital to have the ECM checked by a qualified technician. A bad ECM can damage other components on the motor, so it is important to have it repaired or replaced as soon as possible.

ECM Engineering USA / ECM Repair USA

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4 Steps

Additional information

Weight105 oz
Dimensions11 × 14 × 7 in