2018 Ram ProMaster City Engine Is Stalling

Common Causes of Engine Stalling in Your 2018 Ram ProMaster City and How to Resolve Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Fuel System
0%
15% chance it's the
Air Intake System
0%
55% chance it's
Something else
The most common reasons a 2018 Ram ProMaster City 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 2018 Ram ProMaster City 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.

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 2018 Ram ProMaster City engine is stalling?

When faced with a stalling engine in your 2018 Ram ProMaster City, the first step is to utilize an OBD-II scanner to check for any error codes, as these can pinpoint specific issues within the vehicle's systems. Following this, inspect the fuel system, focusing on the fuel pump, filter, and injectors for any signs of damage or blockages that could hinder fuel delivery. Next, examine the ignition system, ensuring that spark plugs, ignition coils, and cables are functioning correctly to provide the necessary spark for combustion. Additionally, evaluate the air intake system for obstructions or leaks that may restrict airflow to the engine. It’s also crucial to inspect engine sensors, such as the mass airflow and oxygen sensors, since faulty sensors can contribute to stalling. Lastly, test the battery and charging system to confirm they are in good condition, as a weak battery or malfunctioning alternator can lead to engine performance issues. By following these steps, you can effectively diagnose and address the stalling problem in your vehicle.

What are the common problems that could cause the engine to stall in a 2018 Ram ProMaster City?

When troubleshooting engine stalling issues in a 2018 Ram ProMaster City, it's essential to consider several common problems that could be affecting performance. One of the primary culprits is the fuel system; a clogged fuel filter or a malfunctioning fuel pump can disrupt the flow of fuel, leading to stalling. Additionally, the ignition system plays a critical role; failing components such as ignition coils or spark plugs can prevent the engine from firing correctly. Airflow obstructions, often caused by blockages in the air intake or a faulty mass airflow sensor, can also upset the delicate air-fuel mixture necessary for smooth operation. Electrical issues, including faulty sensors or wiring problems, may further complicate matters, as can vacuum leaks that disrupt engine performance. Lastly, a malfunctioning throttle body can hinder the engine's ability to maintain an appropriate idle speed, resulting in stalling. By systematically diagnosing these potential issues, DIY enthusiasts can effectively address and resolve engine stalling problems in their Ram ProMaster City.

How urgent is it to address the engine stalling issue in a 2018 Ram ProMaster City?

When dealing with engine stalling in a 2018 Ram ProMaster City, the urgency of the situation cannot be overstated. Engine stalling can create significant safety hazards, especially if it occurs unexpectedly while driving, potentially leading to loss of control in critical situations such as high-speed travel or heavy traffic. Beyond safety concerns, persistent stalling can lead to frustrating breakdowns, causing delays and inconveniences that disrupt daily routines. Moreover, neglecting this issue may result in further damage to the vehicle's engine and related components, ultimately leading to more extensive and costly repairs down the line. For DIY enthusiasts, it is crucial to recognize that regular maintenance and timely intervention are key to preserving the vehicle's performance and longevity. Therefore, addressing the engine stalling issue as soon as it arises is essential not only for safety but also for maintaining the reliability and efficiency of your Ram ProMaster City.

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