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MOST COMMON 6.7 CUMMINSPROBLEMS OF DODGE / RAM 2019-2024 6.7L 24V

Common Issues in 2019-2024 Dodge/Ram 6.7 Cummins problems

The Dodge/Ram 2019-2024 6.7 24v Cummins engine is powerful, but like any diesel engine, it’s not immune to issues. At ABCO Diesel Inc., we’re experts in diagnosing and resolving these common problems to ensure your truck keeps running smoothly. Below are the most common 6.7 Cummins problems we frequently see in these engines.

understanding common 6.7 cummins problems

Clogged Diesel Particulate Filter (DPF) 

A clogged DPF can lead to poor engine performance, reduced power, and long cranking. The 6.7 24v Cummins engine produces more soot, which can clog the filter over time. Replacing or cleaning your DPF can help restore your truck’s performance. We offer both cleaning and replacement services to suit your needs.

EGR Cooler Problems 

The EGR system, crucial for emissions control, can be prone to failure, leading to coolant leaks into the engine. This can result in white smoke and potentially severe damage if not caught early. Replacing or upgrading your EGR cooler is the most reliable fix, and we provide top-notch aftermarket solutions to extend your engine’s lifespan.

Dodge _ Ram 2019-2024 6.7L 24V
Heater Grid Bolt Failure 

Heater grid bolt failure, while rare in newer models, can lead to severe engine damage if left unchecked. At ABCO Diesel Inc., we offer preventative maintenance by inspecting or welding the bolt, ensuring it stays in place. You can also opt for a grid heater delete or upgrade for enhanced performance.

Turbocharger Issues 

Turbochargers in the 6.7L Cummins engine are durable, but with high mileage (typically over 120,000 miles), they can begin to wear down, causing slow spool, whining sounds, or smoke from the exhaust. We specialize in turbo diagnostics, rebuilds, and replacements, ensuring your turbo operates efficiently.

Fuel Dilution 

Fuel dilution is another issue we commonly address. Over time, diesel fuel can mix with engine oil, reducing its effectiveness in lubricating the engine. Excessive fuel dilution can lead to increased internal wear. We monitor and address fuel dilution through regular maintenance to protect your engine from long-term damage.

At ABCO Diesel Inc., we provide tailored solutions for all these issues and more. Contact us today to schedule an appointment and let our certified team keep your truck in top condition.

6.7 cummins problems

Looking at failure trends, most recurring 6.7 Cummins problems point toward emission system components rather than mechanical internals. In the 2018 6.7 Cummins problems models, especially DEF injector clogs and DPF regens, became routine dealer visits. Yet despite these, the engine still earns high marks for long-haul use. Engineers note that 6.7 Cummins reliability improves drastically with proper maintenance intervals—especially oil changes every 5k miles under heavy load.