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5 Causes of Drivetrain Malfunction

A drivetrain malfunction can occur in your car's engine, transmission, or other parts of the drivetrain. While you might lose power or your car will shake, it often doesn't stop your car in the early stages. However, drivetrain malfunction is not something you should ignore. Check out these five common causes of a malfunction:

diagram of car drivetrain

1. Old and Worn Spark Plugs

As your spark plugs begin to fail, they won't fire your engine properly. This can cause a misfire in your engine that triggers your drivetrain malfunction light to come on. Have your spark plugs replaced during an engine tune up.

2. Igniting Coil Failure

Your ignition coil takes the low voltage power from the battery and raises the power to start the engine in your car. Without the boost of power, your car engine struggles to start.

3. Damaged or Clogged Fuel Injectors

Fuel injectors push gasoline into your car's engine when it's needed to fuel the car. When the fuel injectors are clogged or damaged, they won't put gasoline in at the right time or put too little in to run the engine.

4. Faulty Fuel Pump

It's the job of your fuel pump to move gasoline from the tank into the engine as it's needed to run your car. When it begins to fail, it won't provide enough gasoline to your engine.

5. Poor Fuel Quality

You always want to make sure that you buy your gas from a reputable company. Poor fuel quality, even letting a car sit for months, can cause your engine to run improperly and cause the drivetrain to malfunction.

Choose Custom Complete Automotive to Meet All Your Drivetrain Repair Needs

At Custom Complete Automotive, our certified mechanics can determine the cause of your drivetrain malfunction and make any needed repairs to get you back on the road. You can rely on us for high-quality work and parts. To learn more about our auto repair services, contact us today!


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About the Author
Eric Riddles

Eric Riddles is an ASE Certified Master Automobile Technician who has been working as an auto mechanic since 1998 and originally joined the team at Custom Complete Automotive in 2005. Eric has numerous certifications in various aspects of car repair and spent 10 years training the next generation of auto technicians at a local high school Auto Shop classroom.

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