2020 Ram 1500 Classic Engine Is Stalling

Common Causes of Engine Stalling in Your 2020 Ram 1500 Classic and How to Resolve Them

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Reviewed by
Andrew Hajjar
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 2020 Ram 1500 Classic 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 2020 Ram 1500 Classic 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.

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.

The most likely symptom of a faulty fuel temperature sensor is a check engine light. When the sensor goes bad, the Engine Control Module signals the driver that there is a problem by turning on the dash light. Poor fuel economy might also be noticed. In some cases, a failing fuel temperature sensor could lead to hard starting of the engine or an engine misfire and poor performance.

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 when a 2020 Ram 1500 Classic engine is stalling?

When your 2020 Ram 1500 Classic experiences engine stalling, it's essential to adopt a methodical diagnostic approach to identify the root cause effectively. Begin by checking for error codes using an OBD-II scanner, as these codes can reveal underlying issues that may not be immediately apparent. Next, inspect the fuel system to ensure that clean fuel is reaching the engine; this includes examining the fuel pump, filter, and injectors for any blockages or malfunctions. Following this, turn your attention to the ignition system, where worn or damaged components like spark plugs and ignition coils can lead to stalling. Additionally, evaluate the air intake system by checking the air filter for clogs and inspecting the throttle body for obstructions that could hinder airflow. Don’t overlook the battery and charging system, as a weak battery or failing alternator can also contribute to stalling. Finally, check for vacuum leaks by inspecting hoses and lines for cracks, as these can disrupt the air-fuel mixture. By systematically addressing these areas, you can effectively diagnose and resolve the stalling issue in your vehicle.

What are the common problems that could cause the engine to stall in a 2020 Ram 1500 Classic?

When diagnosing engine stalling issues in a 2020 Ram 1500 Classic, it's essential to consider several common problems that could be at play. One of the primary culprits is fuel pump failure, which can disrupt the fuel supply necessary for engine operation. If the fuel pump is not delivering the right amount of fuel, the engine may stall unexpectedly. Additionally, malfunctions in the ignition system, such as worn spark plugs or a failing ignition coil, can prevent proper combustion, leading to stalling. Another critical area to inspect is the vehicle's sensors; specifically, the crankshaft and camshaft position sensors, which provide vital data to the engine control unit. If these sensors malfunction, they can cause the engine to stall. Furthermore, a dirty or clogged air filter can restrict airflow, negatively impacting engine performance and potentially resulting in stalling. Lastly, issues with the throttle body, including carbon buildup or a faulty throttle position sensor, can disrupt airflow regulation, causing the engine to stall. Regular maintenance and timely repairs of these components are crucial for preventing stalling and ensuring the smooth operation of your Ram 1500 Classic.

How urgent is it to address the engine stalling issue in a 2020 Ram 1500 Classic?

When it comes to the engine stalling issue in a 2020 Ram 1500 Classic, urgency cannot be overstated. Engine stalling can occur without warning, posing a significant safety risk as it may lead to a sudden loss of control while driving. This unpredictability can result in dangerous situations, including accidents that could harm both the driver and others on the road. Moreover, delaying repairs can exacerbate the problem, potentially leading to more severe engine damage or failure of other critical components, which can translate into costly repairs down the line. For DIY enthusiasts, it is crucial to recognize that regular maintenance and prompt attention to such issues are vital for ensuring the vehicle's reliability and performance. By addressing the engine stalling promptly, you not only safeguard your safety but also protect your investment in the vehicle, making it essential to take action as soon as symptoms arise.

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