2021 Mitsubishi Outlander Sport Engine Makes A Ticking Noise

Ticking Noises in 2021 Mitsubishi Outlander Sport Engine Explained

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Reviewed by
Andrew Hajjar
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 2021 Mitsubishi Outlander Sport 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 2021 Mitsubishi Outlander Sport 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.

What could be causing the ticking noise in the engine of a 2021 Mitsubishi Outlander Sport, and how should I diagnose it?

When faced with a ticking noise in the engine of your 2021 Mitsubishi Outlander Sport, it's essential to adopt a methodical diagnostic approach to identify the root cause effectively. Start by checking the engine oil level, as low oil can lead to insufficient lubrication, resulting in noise from engine components. If the oil level is adequate, inspect the valve train components, including lifters, pushrods, and rocker arms, for any signs of wear or damage, as these can also contribute to ticking sounds. Next, examine the exhaust system for any leaks, particularly near the engine, since an exhaust leak can produce a similar ticking noise. Finally, evaluate the timing chain and its associated components, as issues such as tensioner wear or chain stretch can lead to ticking as well. By following this structured approach, you can systematically eliminate potential causes and pinpoint the source of the noise, allowing you to take the necessary steps to resolve the issue effectively.

What are the common causes of a ticking noise in the engine of a 2021 Mitsubishi Outlander Sport?

When you hear a ticking noise coming from the engine of your 2021 Mitsubishi Outlander Sport, it’s crucial to identify the source to prevent further damage. One common culprit is low engine oil, which can lead to increased friction among engine components, resulting in a noticeable ticking sound. Additionally, worn valve lifters may also contribute to this noise, as they can fail to operate smoothly within the engine. An exhaust leak is another potential issue; it can create a ticking sound, particularly noticeable when the engine is running. Furthermore, if the timing belt is not properly tensioned, it may tick against surrounding components, causing an irritating noise. Lastly, spark knock, which occurs when the air-fuel mixture ignites prematurely, can also manifest as a ticking or pinging sound. Addressing these issues promptly is essential for maintaining the health of your engine and ensuring a smooth driving experience.

How urgent is it to address the ticking noise in the engine of a 2021 Mitsubishi Outlander Sport?

Addressing a ticking noise in the engine of a 2021 Mitsubishi Outlander Sport is a matter of urgency that should not be overlooked. Early detection is key; by identifying the source of the noise promptly, you can prevent further damage to critical engine components, which could lead to more extensive and costly repairs. Ignoring this issue not only risks the integrity of your vehicle but also poses safety concerns for you and your passengers. A ticking noise may indicate underlying problems that could result in unexpected breakdowns while driving, compromising your safety on the road. For those considering a DIY approach, it is essential to recognize the importance of consulting a qualified mechanic for a thorough inspection and accurate diagnosis. Taking swift action not only preserves the performance and longevity of your Outlander Sport but also ensures a safer driving experience. Therefore, if you notice a ticking noise, prioritize addressing it to avoid potential complications down the line.

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2021 Mitsubishi Outlander Sport Engine Ticking Noise Fixes