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Why You Should Replace Your PCM

Why replace your PCM for a 2014 Ford Fusion 2.0L Engine Control Module (PCM/ECM/ECU) Programmed & Updated

Why You Should Replace Your PCM

The powertrain control module (PCM) is the brain of a car and all vehicles feature this fundamental unit. PCMs are collectively known as engine computers and house both the engine control unit (ECU), and the transmission control unit (TCU). The ECU monitors and optimizes engine performance, while the TCU deals with the transmission. PCMs also contain various diagnostic trouble codes or error codes that are used to diagnose different car engine and transmission issues. A fully functional PCM is essential for car performance and safety as it helps you to identify car engine and transmission problems. However, faulty PCMs could be the cause of your issues, so it is always recommendable to ensure you have a functional car computer before making any engine and transmission repairs.

When does a PCM need replacement?

PCMs come with a lengthy warranty, up to 20 years or more. However, their functionality rapidly drops after that. Accidents, maintenance and overall use will also determine how long your PCM functions at peak level. If you want to avoid expensive maintenance costs, you should replace the faulty engine control unit and reset all diagnostic trouble codes using the OBD II scanner as soon as possible. This means catching the signs of defective, old, or damaged PCM early. Some of the symptoms that mandate checking your PCM for issues include: 

  • Car starting problems, including an engine that cranks but does not start. 
  • Car gear and transmission issues, such as stalling when shifting gears or starting the car.
  • Intermittent misfiring.
  • Strange smell and increase in vehicle emissions. 
  • Activation of various car diagnostic trouble codes. The check engine light remains on. 

 

If you experience any of the above symptoms, you should get your car engine computer checked for any error. These symptoms may easily be caused by various issues other than a faulty PCM. In some cases, the PCM will require a reset to ensure the error codes and sensors are back to normal operating conditions. If the mechanic identifies your PCM as the faulty part, you can choose to repair or replace it. For older models, fabricated PCM replacement is the only option. Newer PCMs are designed to allow repair of the bad component, instead of replacing the entire unit. 

Why replace your PCM for a 2014 Ford Fusion 2.0L Engine Control Module (PCM/ECM/ECU) Programmed & UpdatedWhy your PCM needs replacement

When the check engine light illuminates on your car’s dashboard, it doesn’t necessarily mean you stop. Most vehicles can run despite having issues with their PCM. However, the longer the problem remains, the more damage your car suffers. It is essential to get your car’s PCM checked as soon as you notice any erratic engine performance or transmission issues. Here is why you need to replace your PCM.

Protect your engine and vehicle

A faulty PCM can result in wrong inputs and signals that cause poor combustion and transmission. If left unresolved, the PCM will eventually get damaged and will have compromised various other parts of the engine. Just like a broken spring would compromise the safety and functionality of your car, faulty PCMs can result in engine damages and accidents. Therefore, it is crucial to get a new replacement for old or damaged PCMs. Choose reputable sellers that can guarantee high quality fabricated PCMs with a lengthy warranty.

Comply with emission requirements

Engine control module problems can result in increased emissions due to incomplete or poor combustion. This can leave you at risk of violating vehicle emission regulations and attracting a fine. Besides, you will be burning more fuel, which is expensive in the long run. The best solution is to find fabricated PCM replacements that can bring back optimal engine performance. Dark soot or overall increased smoke volume is characteristic of a faulty PCM and the solution may be as simple as resetting the trouble codes and MAF sensors. 

Improve car performance

You should arrange for engine control module inspection as part of scheduled maintenance to ensure your engine is working at optimal performance. Whether you own a Ford, Mazda, Isuzu, or Toyota, all cars PCM units eventually get old and are susceptible to similar damages. Vehicles that have outlived their warranty have dropped performance, or consume more fuel thus require immediate PCM replacement. You should also consider purchasing a new unit if your mechanic suggest it is time to replace the computer for better performance.

Meet insurance requirements

The insurance company will try to find any fault, so they can reduce or avoid paying for damages to your car. One such mistake is forgetting to deal with the check engine light and using the vehicle despite obvious signs that the PCM might be faulty. It is the same as forgetting to replace worn-out brake pads. You should always ensure you have a properly functioning vehicle engine computer, especially if the car is older and susceptible to breakdown accidents. 

Conclusion

PCM is also known as ECM in some cars, especially older models. New cars use PCMs, which is an auto computer that includes engine and transmission control units, trouble error codes and sensors. Control module vs. output scanners like OBD II can be used to diagnose problems with the PCM and reset the trouble codes, which go off whenever the reading isn’t within the required range. An ECM engine allows you to monitor engine performance and transmission, but it could also be the cause of your car’s issues, especially when faulty, damaged, or old. If this is the case, you should repair or replace it as soon as possible to continue enjoying optimal engine performance. 

 

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