When you search for a reliable diesel truck, the Ram EcoDiesel often pops up as a strong contender. Many drivers love its fuel efficiency and towing power. However, some model years have earned a reputation for issues that can cost you time and money.
This guide breaks down the Ram EcoDiesel Years to Avoid so you know which models to steer clear of and which years shine instead.
What is the Ram EcoDiesel?
The Ram EcoDiesel gives truck owners a blend of power and efficiency. This diesel engine boosts torque and towing capacity while offering better fuel economy compared to many gasoline alternatives. Truck enthusiasts appreciate its robust performance. They also value the engine’s ability to haul heavy loads over long distances.
Manufacturers designed the EcoDiesel to meet evolving emissions standards. It performs well in everyday driving and on the open road. Yet some early production years experienced issues that sparked customer complaints. Buyers now scrutinize the engine’s history to avoid costly repairs.
The EcoDiesel has many fans across the US. Many drivers mention how the engine feels responsive and powerful. At the same time, research shows that certain model years struggle with reliability. For example, a 2014 EcoDiesel model might have issues that a 2020 model does not. This article delves into these differences.
Ram EcoDiesel Years to Avoid
Not every year has enjoyed the same level of success. Various factors influence why some Ram EcoDiesel models deserve caution. Customers report problems ranging from engine failures to emissions irregularities. Independent studies and technical service bulletins have identified recurring themes.
Here are the Ram EcoDiesel Years to Avoid based on performance, reliability, and maintenance costs:
- Engine malfunctions – Some years have experienced premature engine wear.
- Emissions issues – Models have faced challenges meeting EPA standards.
- Software glitches – Updates sometimes reduce performance.
- Component failures – Turbochargers, EGR coolers, and DEF systems have occasionally underperformed.
The table below summarizes common issues across problematic years:
| Year | Primary Issues | Common Complaints |
| 2014 | Engine failures, EGR cooler defects | Excessive emissions, power loss |
| 2015 | DEF system malfunctions, turbocharger issues | Frequent recalls, performance dips |
| 2016 | Software updates reducing power, emissions discrepancies | Emissions scandal fallout, reliability concerns |
| 2019 | Oil leaks, sensor failures | Mixed reviews on long-term durability |
Each problematic year brings its own set of challenges. Below, the article digs into the details of these years to help you make an informed decision.
2014 Ram EcoDiesel – First-Gen Issues
The 2014 model marked the debut of the EcoDiesel engine in Ram trucks. This first generation showed promise with its blend of power and efficiency. However, early production models encountered significant issues. Owners reported engine failures and problems with the exhaust gas recirculation (EGR) cooler.
Engine breakdowns frustrated many drivers. Some even experienced reduced performance after only a few years of use. Excessive emissions became a hot topic, and the model soon fell under EPA scrutiny. One owner noted,
“I loved the power of my truck until the engine issues started piling up. It felt like I was chasing repairs more than enjoying the drive.”
Manufacturers responded with recalls and technical service bulletins. They addressed specific defects in later production runs. Still, the 2014 model remains a cautionary tale. Many potential buyers now label it as one of the Ram EcoDiesel Years to Avoid.
2015 Ram EcoDiesel – Recalls & Performance Issues
The 2015 model continued some issues that plagued its predecessor. The engine underwent tweaks, but certain problems persisted. One of the biggest challenges was the DEF system malfunction. In this system, failures could lead to warning lights and even engine derating.
Drivers encountered recurring issues with the turbocharger, which sometimes failed to deliver full performance. A bullet list of the most frequent complaints includes:
- DEF system malfunctions – Leading to costly repairs.
- Turbocharger issues – Resulting in reduced engine output.
- Recurring recalls – Affecting overall vehicle reliability.
The table below compares the reported incidents between 2014 and 2015 models:
| Issue | 2014 Frequency | 2015 Frequency |
| EGR Cooler Failures | High | Moderate |
| DEF System Problems | Low | High |
| Turbocharger Failures | Moderate | High |
As a result, many buyers started steering clear of 2015 models. The reliability concerns raised red flags. Reviews from trusted sources consistently pointed to these issues, confirming that the Ram EcoDiesel Years to Avoid include 2015.
2016 Ram EcoDiesel – Software & Reliability Concerns
The 2016 model stands out due to its association with the emissions scandal that rocked the auto industry. The controversy centered around software updates designed to manipulate emissions readings. Many customers reported that these updates led to reduced engine performance.
The fallout from the emissions cheating scandal affected consumer confidence. Some drivers felt that the software updates prioritized regulatory compliance over performance. As one industry expert explained,
“When software interferes with the engine’s natural performance, it undermines trust in the technology. Drivers deserve both power and transparency.”
Beyond software issues, reliability concerns persisted. Owners experienced power loss and unexpected maintenance needs. Data from consumer reports indicates that the 2016 model saw a noticeable drop in overall dependability. This has led many to list 2016 among the Ram EcoDiesel Years to Avoid.
2019 Ram EcoDiesel – Mixed Reputation
The 2019 Ram EcoDiesel introduced improvements in efficiency and overall design. It was part of the third generation that many hoped would overcome past issues. Despite these advancements, early production models revealed mixed results. Some drivers reported oil leaks and sensor failures shortly after purchase.
While many 2019 models perform well over time, early production runs came with challenges. Buyers have debated whether these issues stem from manufacturing inconsistencies or teething problems in a new design cycle. The contrast in performance even within the same model year complicates the decision-making process for prospective buyers.
A summary list of the main concerns for 2019 includes:
- Oil leaks – Causing potential engine damage.
- Sensor failures – Affecting engine monitoring and performance.
- Inconsistent quality – Varying results between early and later production models.
As a result, some industry experts still consider the 2019 model a cautious purchase. Though not as problematic as earlier years, its mixed reputation reinforces the need for careful research. This nuance makes the Ram EcoDiesel Years to Avoid list a moving target as improvements roll out over time.
Common Ram EcoDiesel Problems Across Years
Despite improvements over time, several issues have haunted multiple model years. Being aware of these can save you headaches and dollars down the road. Here are the common problems that have affected many Ram EcoDiesel models:
- EGR Cooler Cracks and Fire Risks:
Early models experienced cracks in the EGR cooler. This defect sometimes led to coolant leaks and, in rare cases, engine fires. - Turbocharger Failures:
A malfunctioning turbocharger can lead to a significant loss in engine performance. Drivers report that sudden failures can leave them stranded and in need of expensive repairs. - DEF and Emissions System Failures:
Problems in the diesel exhaust fluid (DEF) system often trigger warning lights on the dash. This not only creates inconvenience but also adds repair costs over time. - Oil Dilution Issues:
Some models experienced oil dilution, where diesel fuel mixes with the engine oil. This issue affects lubrication and accelerates engine wear.
The table below summarizes these recurring problems:
| Problem | Impact | Affected Model Years |
| EGR Cooler Cracking | Risk of coolant leaks and engine fires | 2014, 2015 |
| Turbocharger Failures | Reduced power and towing capacity | 2015, 2019 |
| DEF System Malfunctions | Frequent warning lights and engine derate | 2015, 2016 |
| Oil Dilution | Accelerated engine wear and maintenance costs | Various years |
Each of these problems influences the overall reliability of the truck. When you consider the long-term costs, these issues might push you to search for alternative model years.
Best Ram EcoDiesel Years to Buy Instead
Not every Ram EcoDiesel model suffers from reliability woes. Recent years have seen improvements that make them more attractive for buyers. Models from 2020 onward tend to offer enhanced performance and fewer recurring issues. These later models benefit from refined engineering and updated software that prioritize both efficiency and durability.
Advantages of Newer Models
- Improved Software and Calibration:
Later models enjoy better-tuned engines that deliver a consistent performance without sacrificing fuel efficiency. - Enhanced Component Quality:
Manufacturers addressed the earlier issues with turbochargers, DEF systems, and EGR coolers. These upgrades mean fewer surprises during long-term ownership. - Robust Customer Support:
Newer models come with extended warranties and improved service plans. This safety net reassures buyers who might worry about unexpected repairs.
A simple table comparing key features between problematic early models and improved later models helps illustrate the improvements:
| Feature | Early Models (2014-2016) | Recent Models (2020+) |
| Engine Reliability | Frequent issues and recalls | More stable performance |
| Software Performance | Updates often reduced power | Calibrated for efficiency and power |
| Component Quality | Prone to failures (turbo, EGR, DEF) | Upgraded parts and better build quality |
| Warranty and Support | Standard warranty options | Extended warranties and improved service |
By comparing these aspects, it becomes clear why many now suggest focusing on newer models. If you’re in the market for a diesel truck, it might be wiser to invest in a model from 2020 onward rather than risking an older, problematic EcoDiesel.
Key Factors to Consider When Buying a Used Ram EcoDiesel
If you decide to explore the used truck market, you need to arm yourself with the right knowledge. Here are some key factors to check when shopping for a used Ram EcoDiesel:
Vehicle History and Service Records
- Check Detailed History:
Always request comprehensive service records. These documents reveal whether the truck had recurring problems and if they were resolved properly. - Look for Recalls and Repairs:
Verify that previous owners addressed any recalls or known issues. A clean recall history suggests the truck might be more reliable.
Pre-Purchase Inspections
- Mechanical Evaluation:
Hire a qualified mechanic to inspect the engine, DEF system, and turbocharger. An expert can catch issues that might not be obvious during a test drive. - Diagnostic Scans:
Running a diagnostic scan helps detect hidden faults in the electronic control unit (ECU). This small step can prevent future surprises.
Signs of EcoDiesel Engine Wear
- Unusual Noises:
Listen carefully during a test drive. Strange sounds from the engine bay could hint at underlying problems. - Dashboard Warning Lights:
Be wary of persistent warning lights. These indicators often point to issues with the EGR cooler or DEF system.
A Quick Checklist for Buyers
- Verify mileage – Lower mileage can indicate less engine wear.
- Confirm maintenance records – Regular oil changes and service visits are crucial.
- Test drive thoroughly – Feel for any power loss or unusual vibrations.
- Ask about previous issues – Honest answers from sellers can save you headaches later.
Case Study: A Real-World Example
A buyer in the US recently shared his experience with a 2015 Ram EcoDiesel. He purchased the truck without thoroughly checking the service history. Soon after, he encountered DEF system malfunctions and had to spend thousands on repairs. His case reinforces the importance of a careful pre-purchase inspection and verifying vehicle history. In his own words,
“I learned the hard way that a used truck’s history matters. A small oversight cost me a lot in repairs and lost time.”
This case study stands as a stark reminder. When you encounter Ram EcoDiesel Years to Avoid, you risk similar costly issues. Always do your homework and consult trusted mechanics.
Conclusion & Should You Buy a Ram EcoDiesel?
Deciding whether to invest in a Ram EcoDiesel requires weighing the benefits against the risks. Many appreciate the engine’s power and fuel efficiency. Yet, history shows that certain model years bring more challenges than advantages. The Ram EcoDiesel Years to Avoid list includes 2014, 2015, and 2016 models that have experienced major issues. Even 2019 models show early production inconsistencies that warrant careful research.
When you focus on later models – especially those from 2020 onward – you benefit from improved engineering and reliable performance. Ultimately, the key is to stay informed and check every detail before purchasing a used truck. This approach not only saves money but also ensures you drive away in a truck that performs reliably day after day.
Remember: Whether you’re a diesel enthusiast or a first-time truck buyer, knowing the history of your chosen engine can make all the difference. In this fast-paced market, staying updated and cautious can steer you clear of costly repairs. Armed with detailed research and a trusted mechanic by your side, you can confidently navigate the used truck market.
Choosing wisely means reading up on experiences, studying detailed reports, and comparing model years. With a little extra effort, you can avoid the pitfalls associated with the problematic years and enjoy the benefits of a dependable diesel truck.