2023 Mazda CX-30 Engine Makes A Ticking Noise

Common Causes of Ticking Noises in Your 2023 Mazda CX-30 Engine and How to Address Them

Find Repair Location
Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
12% chance it's the
Exhaust Leak
0%
88% chance it's
Something else
The most common reasons a 2023 Mazda CX-30 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 2023 Mazda CX-30 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 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.

What are the initial diagnostic steps to take for a ticking noise in the engine of a 2023 Mazda CX-30?

When faced with a ticking noise in your 2023 Mazda CX-30, the first step is to check the oil level and quality, as insufficient or degraded oil can lead to increased engine noise. Ensure the oil is clean and at the proper level, as this is crucial for effective lubrication. Next, listen carefully to pinpoint the source of the noise; this can help identify whether the issue lies with the valves, lifters, or other engine components. Additionally, inspect the engine for any loose parts, such as belts or heat shields, which could be contributing to the sound. Don’t overlook the exhaust system, as leaks or loose components here can also produce ticking noises. Finally, using an OBD-II scanner to check for error codes can provide further insights into potential issues, allowing you to address the problem more effectively. By following these steps, you can systematically diagnose the ticking noise and take appropriate action to resolve it.

What could be causing the ticking noise in the engine of a 2023 Mazda CX-30?

If you're hearing a ticking noise from the engine of your 2023 Mazda CX-30, it's crucial to identify the underlying cause to address it effectively. One common issue could be low engine oil, which can lead to inadequate lubrication and result in metal components making contact, creating that distinct ticking sound. Another possibility is worn valve train components, such as lifters or rocker arms, which can wear down over time and produce similar noises. Additionally, faulty fuel injectors may contribute to the ticking, as they can create a rhythmic sound when they malfunction. An exhaust leak is another culprit to consider; it can generate a ticking noise, particularly noticeable when the engine is running. Lastly, timing chain issues, including wear on the tensioner or misalignment, can also manifest as a ticking sound. While some of these issues can be diagnosed and potentially addressed by a DIY enthusiast, it's advisable to consult a qualified mechanic for a thorough inspection to ensure accurate diagnosis and repair.

How urgent is it to address the ticking noise in my 2023 Mazda CX-30's engine?

When you hear a ticking noise in your 2023 Mazda CX-30's engine, understanding the urgency of the situation is crucial for maintaining your vehicle's health and safety. If the noise is loud, persistent, or accompanied by symptoms such as loss of power or rough idling, it signals a serious issue that demands immediate attention to prevent further damage. Even if the ticking is intermittent, it should not be ignored, as it could escalate into more significant problems over time. Regular maintenance checks are essential, as they can help catch minor issues before they develop into costly repairs. Ultimately, while some noises may seem benign, having them evaluated by a qualified mechanic is advisable to ensure the long-term functionality of your engine. Ignoring these symptoms can lead to severe consequences, including safety risks and extensive damage, making it imperative to address any unusual engine sounds promptly.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.