Toyota Tacoma Engine Makes A Ticking Noise

Common Causes of Ticking Noises in Your Toyota Tacoma Engine and How to Address Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
12% chance it's the
Exhaust Leak
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88% chance it's
Something else
The most common reasons a Toyota Tacoma engine makes a ticking noise are low oil level or pressure, an issue with the ignition system, or an exhaust leak.
  • Exhaust Leak: A damaged exhaust manifold or a loose connection in the exhaust system can cause an exhaust leak, resulting in increased noise and potential loss of engine power.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a Toyota Tacoma engine makes a ticking noise?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

If the drive belt idler pulley fails, there will be a very audible chirping noise from the front of the engine. This is because the idler pulley bearing is no longer smooth, and rotating causes metal to grind at high speeds. If it is not changed immediately, there is a chance it will become dislodged, or allow the drive belt to slip off. If the belt falls off, the accessory that it drives will no longer function. For instance, if the alternator belt idler pulley fails, the alternator may stop functioning. Also if the pulley begins to wobble, allowing slack in the belt, it will make an extremely loud squeaking or screeching noise, especially on cold starts. This is the belt slipping on the crankshaft pulley, and will require belt replacement once the idler pulley is replaced.

If the drive belt tensioner fails, there will be a very audible chirping, grinding, or rattling noise from the front of the engine. This is because the tensioner pulley bearing is no longer smooth, and rotating causes metal to grind at high speeds. If it is not changed immediately, there is a chance it will become dislodged, or allow the drive belt to lose tension, or break. If the belt falls off, the accessory that it drives will no longer function. Also, if the tensioner spring fails, allowing slack in the belt, it may make an extremely loud squeaking or screeching noise combined with a rattle as the tensioner bounces back and forth under load. The squealing noise is the belt slipping on the crankshaft pulley, and will require belt replacement once the belt tensioner is replaced.

An engine leaking oil does not always make a puddle on the ground. A burning smell may be noticed from the front of the vehicle after driving. This is because engine oil leaks may fall onto hot engine components, especially the exhaust manifold, and burn off before making it to the ground. This poses a risk to the engine because the leak going unnoticed may deplete the engine oil reserve, and lead to an oil starvation issue. Some engine oil leaks only occur while the engine is running, so the leak may be larger than the small spot on the ground makes it seem.

Noises can be accompanied by many annoying or worrisome sensations. Consider the noise of grinding brakes, the noise sounds much like the brake pedal and steering wheel feel. This is important, as random noises can be difficult to replicate without knowing when the sound occurs, what must be done to make the sound, and what sound it is. Any professional technician can replicate and diagnose most noises, but to ensure the vehicle is more quickly diagnosed, make sure you tell your technician these three pieces of information.

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

Troubleshooting Engine Ticking Noise in a Toyota Tacoma

When troubleshooting engine ticking noise in your Toyota Tacoma, start with the simplest and most common issues. First, check the oil levels; low oil can lead to increased engine noise, so ensure that your oil is at the recommended level. If the oil is low, top it off and monitor for any changes in the noise. Next, inspect the ignition system for any potential issues, as faulty spark plugs or ignition coils can contribute to ticking sounds. If these checks do not resolve the issue, consider the nature of the ticking noise itself. In vehicles equipped with a direct injection system, such as the 2016 Tacoma, some ticking may be a normal characteristic of the fuel injectors operating under high pressure. However, if the noise seems to correlate with engine speed, it may indicate a lifter tick, which requires further investigation. Regular maintenance is crucial; ensure you are changing your oil at recommended intervals to prevent excessive wear and noise. By following this diagnostic approach, you can effectively identify and address the source of the ticking noise in your Tacoma, ensuring a smoother and quieter engine performance.

What Could Cause a Ticking Noise in a Toyota Tacoma Engine?

When diagnosing a ticking noise in your Toyota Tacoma engine, it's essential to consider several common problems that could be at play. One of the primary culprits is low oil level or pressure, which can lead to inadequate lubrication and result in a ticking sound. Regularly checking and maintaining your oil levels is crucial to prevent this issue. Additionally, problems with the ignition system, such as faulty spark plugs or ignition coils, can also contribute to unusual noises. An exhaust leak is another potential source of ticking, as it can create sounds that mimic engine issues. Furthermore, a failing drive belt idler pulley can produce a distinct chirping noise, often mistaken for engine ticking. Internal engine problems, including a faulty lifter or bent push rod, may also be responsible for the noise. To effectively address these concerns, it's important to conduct regular maintenance checks and promptly resolve any identified issues, ensuring your Tacoma runs smoothly and quietly.

Why is My Toyota Tacoma Engine Making a Ticking Noise?

When your Toyota Tacoma engine starts making a ticking noise, it’s crucial to address the issue promptly to avoid potential damage and ensure your safety on the road. Common causes of this noise include low oil levels or pressure, which can lead to inadequate lubrication and severe engine wear if left unchecked. Additionally, problems with the ignition system or an exhaust leak can also manifest as ticking sounds, indicating that further investigation is necessary. Mechanical issues such as a bad lifter or bent push rod may require immediate attention, as neglecting these can lead to more significant engine problems. In some cases, the ticking may be a normal sound associated with direct injection motors, but it’s essential to verify that your oil levels are adequate to maintain engine health. Ignoring these symptoms could result in costly repairs down the line, so it’s advisable to diagnose the cause of the ticking noise as soon as possible to keep your Tacoma running smoothly and safely.

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Toyota Tacoma Engine Ticking Noise: Causes & Repairs