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What is a ECM plug?

What is a ECM plug?

The Engine Control Module (ECM), also called the Engine Control Unit (ECU), ensures that your vehicle operates at optimal performance. Lastly, the ECM controls the ignition timing, this is the position at which the spark plug is fired within the combustion cycle.

Can a ECM be repaired?

The first, and easiest, way to repair an ECM is if there’s a problem with the power supply. Oftentimes, these can be repaired by a skilled mechanic or electrician, by rectifying any shorts or bad connections. However, most ECM problems are a result of a bug in the software itself.

How do I know if my ECM is bad?

The Most Common ECM Failure Symptoms

  1. Your ‘Check Engine’ Light Is On. Your car’s check engine light is a sort of catch-all that many people ignore.
  2. Your Car Won’t Start.
  3. Your Engine Stutters or Misfires.
  4. Sudden Drop in Fuel Economy.
  5. Sudden Loss of Acceleration.
  6. Your Engine Shuts Off for No Reason.
  7. Rough or Irregular Shifting.

How do you plug in an ECM?

  1. Unbolt the screws holding the ECM in place (Tool: Socket Wrench)
  2. Pull the old ECM out and replace it with the new one.
  3. Bolt the new ECM in place.
  4. Reconnect the electrical wires and the battery.
  5. Start your vehicle to verify all the functions are working.
  6. Check engine light is off.
  7. Car revs up smoothly.

How much does ECM cost?

The cost for the new ECM will typically be around $800, with labor around $100, bringing the average total expense for an ECM replacement to approximately $900 before taxes and fees. This can increase depending on the shop you go to or the type of car you, running as high as $2,000.

How do you fix an ECM failure?

To be sure it is an issue with the computer and not something else, you can try replacing the cam sensor first. If it still persists, you can try wiping the ECM connectors clean. If after that the problem does not go away, it means your ECM is about to fail and needs to be replaced.

Can you replace ECM yourself?

The answer to the question “Is it hard to replace an ECM?” is NO! The parts themselves aren’t inexpensive (as long as you’re buying them from us!), plus high quality aftermarket and OEM ECMs can be easily installed yourself.

Are there crimp sockets on the ECM 555?

The two 24-pin connectors on the ECM 555 are the same keying as the two 24-pin connectors on the PCM 555. The crimp sockets are available in bags of 10 sockets each, and do not come with the cpnnector shell, so when ordering, be sure to add in the crimp sockets as well.

How many GM ECM connectors are left in stock?

Only 5 left in stock (more on the way). . Only 19 left in stock – order soon. . Only 15 left in stock – order soon. . . Only 4 left in stock – order soon.

What are the connectors on a Motorola ECM 555?

ECM555 / PCM555 The Motorola family of engine controllers comes in two configurations, one with a pair of 24 pin connectors and one with a pair of 24 pin connectors plus a 32 pin connector (pictured below). The two 24-pin connectors on the ECM 555 are the same keying as the two 24-pin connectors on the PCM 555.

Where are the connectors on a GM mefi5 controller?

The MEFI5,6 and E67 controllers from GM all have the same connector layout. There are three connectors on the face of the controller. The connector names are embossed into the metal housing of the controller but the diagram below shows clearly which connector is which.