2013 Toyota Highlander Engine Is Stalling

Troubleshooting Causes of Engine Stalling in Your 2013 Toyota Highlander and How to Resolve Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Fuel System
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15% chance it's the
Air Intake System
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55% chance it's
Something else
The most common reasons a 2013 Toyota Highlander engine is stalling are the fuel system, the air intake system, or the ignition system.
  • Fuel System: A clogged fuel filter or failing fuel pump can restrict fuel flow, resulting in poor engine performance and starting issues.
  • Air Intake System: A dirty or damaged air filter or a malfunctioning mass airflow sensor can restrict airflow, leading to reduced engine performance and efficiency.
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 2013 Toyota Highlander engine is stalling?

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 MAF sensor sends an erroneous signal, a few things happen. The engine's computer will trigger the check engine light, and the on-board diagnostic (OBD) trouble codes will reflect the airflow discrepancy noted by the MAF sensor. Depending on the reported volume of air, the engine may try to compensate for these conditions, causing the engine to burn excessive amounts of fuel and emit black smoke from the exhaust. In this case, the OBD trouble codes would also reference faults recognized by the exhaust oxygen sensors. The engine may also have issues with idling roughly, failing to start, stalling, hesitation, power loss, misfires, and fuel consumption.

»MORE: Signs of a failing mass airflow sensor

A faulty oxygen sensor is one of the most common causes of a check engine light. Symptoms may include a decrease in fuel mileage, hesitation or misfiring from the engine, rough idling or even stalling. A faulty sensor may cause the vehicle to fail an emissions test.

Any time there is an emissions fault the check engine light will be displayed. The purpose of the check engine light is to inform the driver that an emission related fault has been found, and that there are on-board diagnostic (OBD) trouble codes stored in the powertrain or engine control module. Additionally, since the emissions systems are so intertwined into engine control and transmission control systems, symptoms may include nearly any sort of drivability concerns. This may include harsh shifting, failure to shift, hesitation on acceleration, jerking, engine failure to start or run, loss of power, or any number of other drivability issues.

When the Check Engine Light comes on, you may experience engine performance issues such as poor acceleration, rough idling, or an engine that won't start. In some cases, no abnormal symptoms will be experienced. Other systems like the transmission or ABS can cause the Check Engine Light to illuminate and lights for those systems can come on at the same time. Similar lights may say "Check Engine Soon", "Malfunction Indicator Light" or just "Check". In rare case the engine can overheat.

What are the initial diagnostic steps to take for a 2013 Toyota Highlander experiencing engine stalling?

When faced with engine stalling in a 2013 Toyota Highlander, it's essential to adopt a systematic diagnostic approach to identify the root cause effectively. Start by checking for error codes using an OBD-II scanner, as these codes can reveal specific issues within the vehicle's systems. Next, inspect the fuel system, including the fuel pump, filter, and injectors, since fuel delivery problems are common culprits of stalling. Following this, examine the ignition system components such as spark plugs and ignition coils, as faulty parts here can disrupt engine performance. Additionally, ensure the air intake system is clear of obstructions, as a clogged air filter can hinder airflow and lead to stalling. Don't overlook the importance of engine sensors; checking the mass airflow and oxygen sensors can help identify any malfunctioning components that may affect engine operation. Lastly, evaluate the battery and charging system to ensure they are providing adequate power, as a weak battery can also contribute to stalling issues. By methodically addressing these areas, you can effectively diagnose and resolve the stalling problem in your Highlander.

What are the common causes of engine stalling in a 2013 Toyota Highlander?

When diagnosing engine stalling in a 2013 Toyota Highlander, it's essential to consider several common problems that could be at play. One of the primary culprits is the fuel system, where issues such as a clogged fuel filter or a malfunctioning fuel pump can disrupt the flow of fuel to the engine, leading to stalling. Additionally, the ignition system plays a critical role; failing components like ignition coils or worn spark plugs can prevent the engine from firing properly. Airflow is another vital factor; a dirty air filter or a faulty mass airflow sensor can restrict the air needed for combustion, causing the engine to stall. Furthermore, sensor failures, particularly with the crankshaft or camshaft position sensors, can lead to incorrect engine timing and stalling. Lastly, electrical issues, including a weak battery or damaged wiring, can interrupt the power supply necessary for engine operation. By systematically checking these areas, DIYers can effectively identify and address the root causes of engine stalling in their Highlander.

How urgent is it to address the engine stalling issue in a 2013 Toyota Highlander?

When it comes to a 2013 Toyota Highlander experiencing engine stalling, the urgency of addressing this issue cannot be overstated. Engine stalling can occur without warning, creating a significant safety hazard as it may lead to a sudden loss of control while driving. This unpredictability makes it crucial for drivers to take immediate action. Furthermore, neglecting the stalling problem can lead to more severe mechanical failures, resulting in costly repairs down the line. Regular maintenance and timely intervention are key to preventing these complications, ensuring not only the vehicle's longevity but also the safety of its occupants. Therefore, if you notice any signs of engine stalling, it is imperative to diagnose and resolve the issue as soon as possible to maintain both the performance and safety of your Highlander.

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2013 Toyota Highlander Engine Stalling: Causes & Repairs