Signs Your Car Needs Engine Repair

Your car’s engine is the heart of its performance – it requires regular maintenance and repairs for longevity. Despite diligent care, engines can develop issues over time. Identifying warning signs early can save you from costly repairs and breakdowns. In this post, we’ll explore common signs that indicate your car may need engine repair.

  • Illuminated Check Engine Light

    The most obvious indication that your ride needs car engine service is the illumination of the “Check Engine” light on your dashboard. This light can turn on for minor reasons, such as a loose gas cap. It can also signal more serious issues with the engine’s components like the oxygen sensors, catalytic converter, or ignition system.

  • Unusual Noises

    Unusual noises from your car’s engine can be alarming and should never be ignored. They often warn that something is amiss and requires immediate attention. Here are three common unusual noises and what they may indicate:

    • Knocking or Pinging Noise : It indicates a fault with the engine’s combustion process. This is commonly associated with engine bearings issues, such as worn-out connecting rod bearings or crankshaft bearings.
    • Rattling or Tapping Noise : Often described as a metallic sound, this noise could indicate that something is wrong with the valvetrain. This might be caused by a loose or damaged valve lifter, rocker arm, or valve spring.
    • Grinding Noise : A damaged or worn starter motor gear or flywheel teeth can create a grinding noise during car startup. Ignoring this issue may lead to difficulties in starting the engine
  • Decreased Performance

    A noticeable decrease in your car’s performance is another significant sign of a need for auto repair. This could manifest as sluggish acceleration and reduced power. There may also be decreased fuel efficiency, wherein you cannot reach the destination with the same fuel capacity as before.

    If you find that your car is struggling to reach the usual speed or isn’t responding as swiftly as before, it might be due to issues within the engine. This includes faulty fuel injectors, worn-out spark plugs, or a clogged air filter. Ignoring these performance issues could lead to more severe damage to the engine over time.

  • Excessive Exhaust Smoke

    An unusually large amount of smoke coming from your car’s exhaust is not normal. It should prompt a visit to your mechanic for a thorough inspection. The colour of the smoke can provide valuable clues.

    • Thick, black smoke often indicates a rich fuel mixture, possibly due to a faulty fuel injection system or a clogged air filter.
    • Blue smoke suggests oil is burning, which may indicate internal engine wear or a leaking gasket.
    • White smoke can be caused by coolant entering the combustion chamber, indicating potential head gasket failure or a cracked cylinder head.
  • Engine Overheating

    If your car’s temperature gauge frequently shows overheating or the engine’s coolant warning light comes on, it’s essential to seek engine diagnostics immediately. Running the engine while overheating can cause severe damage to other parts of your vehicle. Engine overheating can be caused by various factors, including

    • A malfunctioning thermostat
    • A coolant leak
    • A faulty water pump
    • A blocked radiator
  • Engine Misfires

    A misfiring engine occurs when one or more cylinders fail to ignite properly. This can lead to rough idling, noticeable vibrations, and a loss of power while driving. Misfires can be caused by faulty spark plugs, ignition coils, fuel injectors, or malfunctioning engine control units.

  • Oil Leaks

    This sign of engine damage can occur for multiple reasons other than missing a regular oil change. Oil leaks may be caused by worn-out gaskets, damaged seals, or cracked engine blocks. You may notice oil stains beneath your car after being parked for a while.

    It is crucial to identify the source of the leak and get engine tuning to fix it promptly. Low oil levels can lead to insufficient lubrication that may result in further engine damage. Additionally, running the car with a low oil level causes increased friction between moving parts, causing the parts to wear down faster.

Revive Your Engine’s Performance With T&F Bros Auto Care

Your car’s engine is a complex yet vital component that requires proper care and attention. Ignoring the warning signs of engine trouble can lead to costly repairs and even render your vehicle inoperable. If you notice any of the symptoms mentioned, don’t hesitate to seek a qualified mechanic’s help to diagnose and repair the issue.

Regular engine maintenance and prompt action can keep your car’s engine running smoothly. T&F Bros Auto Care has well-trained mechanics that can diagnose and address engine issues. You may also call us on 0401 170 906 or email us at to know more about our services.