UAE Automotive Aftermarket: Common Engine Problems Explained, Symptoms & Tips

  • April 24, 2026 8:36 AM PDT

    Modern Engines and Problems

    Precision has definitely been raised with modern engines. They are faster, and definitely more efficient.

    They have also been made more efficient by increasing the inner (engine) tubing diameters. Think of the engine like the brain, and the tubing the delicate neuronal axon.

    Unfortunately, by increasing efficiency, there is more of a chance of failure.

    A GMI Research report has shown that from 2025 to 2032 the UAE automotive aftermarket will grow by 1.7 billion, showing maintenance and repairs are at an all time high.

    The Quickest Way to Ruin An Engine: Overheating

    Overheating an engine leads to complete engine failure.

    Overheating can be gradual. During traffic, the temperature gauge might get high before dropping again while driving. This should be taken as an early warning.

    Overheating can be caused by: a weak water pump, stuck thermostat, clogged radiator, or a small radiator leak.

    Ignoring these warning signs can lead to steam, faulty lights, and serious engine damage, due to warped parts. All of these require costly repairs.

    The best solution is to address these small problems and keep a close eye on the gauge.

    Oil Leaks: The Drips that Ruin Engines

    Engines don't fail without signs.

    Over time parts of an engine can leak oil. This process is gradual and can be diagnosed by a smell or visible residue on the engine.

    Longer oil leaks will lead to drops of oil on the ground and oil fires once oil ignites.

    Engines need oil to lubricate all of the moving parts. Low oil supply leads to worsened engine issues and repairs.

    Be sure to check the oil on a routine basis. This minor habit helps keep the engine in a proper condition.

    Engine Trouble: Shaking and Hesitating

    Shaking and hesitating usually isn't benign.

    Diagnostics of engine issues can often be done through symptoms of engine shaking and hesitating.

    Worn spark plugs, defective ignition coils, dirty fuel injectors, or a small vacuum leak can cause incomplete combustion.

    This may result in rough idling, poor acceleration, or setting off the check engine light. In the worst-case scenario, it may cause the check engine light to start flashing, indicating that there is unburned fuel in the combustion chamber.

    This is a problem that should be fixed as soon as possible. Some ignition problems may be persistent and can lead to a complete engine failure if left unattended.

    Timing Problems: A Delay of a Few Seconds can Cause Untold Damage.

    Inside an engine there is a lot of movement, and things must be kept in sync to have a smooth operation of the engine.

    This is the job of the timing belt or timing chain; sudden failure of either can cause the breakdown of the engine.

    Aside from the complete breakdown of the engine, the timing belts can cause gaps in the rotation of the engine. This may result in the engine's internal component colliding, causing even greater damage.

    The best way to prevent these is to stick to the recommended service.

    Fuel and Air Problems: How an Imbalance can Cause the Engine to Perform Poorly

    The internal combustion engine relies on the combustion of a precise amount of fuel and air. How poorly they are controlled can have an even greater negative effect on engine performance.

    The indications will be subtle at first. They're designed to be easy to ignore. But if you're attuned to what they're telling you, you can spot just about every problem before it gets out of hand.

    It doesn't take much to minimize future problems. It will save you headaches in the long run, and, even better, will save you money.

     

    This post was edited by Leo Thomas at April 24, 2026 8:36 AM PDT
  • April 25, 2026 10:55 PM PDT

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