Dodge RAM 2500 Engine Problems

Source: NHTSA · Updated Sep 20, 2026 · 168 complaints analyzed

Owners have filed 168 complaints with NHTSA about engine problems on the Dodge RAM 2500 across 15 model years. The 2012 model year has the most (44). The words owners use most often: “cooling fuel diesel” (16% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Cooling fuel diesel: mentioned in 27 of 168 complaints (16%)
  • Exhaust manifold: mentioned in 12 of 168 complaints (7%)
  • Engine compartment: mentioned in 11 of 168 complaints (7%)

At what mileage do engine problems happen?

Based on 120 complaints that reported the odometer reading.

Under 10k miles8 · 7%
10k–25k miles8 · 7%
25k–50k miles17 · 14%
50k–75k miles21 · 18%
75k–100k miles21 · 18%
100k–150k miles20 · 17%
150k+ miles25 · 21%

How serious are the reports?

Of 168 complaints, 1 mention a crash, 24 a fire, 1 an injury.

Dodge RAM 2500 engine complaints by model year

Peak: 2012, with 44 complaints
1998: 1199811999: 222000: 2200022001: 222002: 2200222003: 552004: 132004132005: 662006: 5200652007: 16162008: 162008162009: 552010: 202010202011: 29292012: 44201244

n = 168 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2012 RAM 25004416%75,000
2011 RAM 25002910%67,523
2010 RAM 2500208%55,000
2009 RAM 250052%68,500
2008 RAM 2500165%79,882
2007 RAM 2500164%90,000
2006 RAM 250051%155,000
2005 RAM 250061%69,500
2004 RAM 2500132%116,000
2003 RAM 250051%99,000
2002 RAM 250021%79,893
2001 RAM 250020%150,000
2000 RAM 250021%68,000
1999 RAM 250021%58,000
1998 RAM 250010%—

When owners reported it

Peak: 2015, with 58 complaints
2012: 5201252013: 152013152014: 222014222015: 582015582016: 9201692017: 122017122018: 142018142019: 8201982020: 8202082021: 4202142022: 6202262023: 3202332024: 1202412026: 320263

n = 168 complaints · Source: NHTSA

Related recalls (2)

Engine and engine cooling:engine:diesel; fuel system, dieselOct 8, 2014 · NHTSA campaign 14V635000 · 315,325 vehicles

Model years: 2010, 2011, 2012

Problem: Chrysler Group LLC (Chrysler) is recalling certain model year 2010-2014 Ram 2500, 3500, 4500, and 5500 trucks manufactured March 27, 2009, to September 5, 2013. In the affected vehicles, the electrical connectors of the diesel fuel heater may overheat.

Risk: If the connectors overheat, the fuel heater may leak fuel, increasing the risk of a fire.

Fix: Chrysler will notify owners, and dealers will replace the harness side connector with a silver plated beryllium copper terminal service kit, and inspect the fuel heater for leaks, replacing it as necessary, free of charge. Chrysler issued interim notification to owners on December 8, 2014. The recall began on April 27, 2015. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is P65.

Engine and engine cooling:engine:dieselDec 5, 2008 · NHTSA campaign 08V641000 · 108,429 vehicles

Model years: 2007, 2008

Problem: Chrysler is recalling 108,429 my 2007-2008 dodge ram 2500 and 3500 pickup trucks equipped with 6.7l diesel engines. A silencer pad can sag and contact the exhaust gas recirculation (egr) cooler.

Risk: This could result in an engine compartment fire.

Fix: Dealers will add a bracket to support the engine compartment silencer pad adjacent to the egr cooler. The recall is expected to begin during december 2008. Owners may contact chrysler at 1-800-853-1403.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

Vehicle was parked and turned off for 4 days. Spontaneously combusted from the engine bay. Local fire department extinguished. No open recalls found, indicating an un-fused component failure.

Received Sep 20, 2026 · NHTSA complaint 11765679

In the past 6 months my steering and suspension components failed causing me to wreck and also somehow my engine bay deteriorated in turn having started a fire

Received Aug 12, 2026 · NHTSA complaint 11756595

We purchased our 2012 Dodge Ram heavy duty with tow package new. At just over 152000 miles, the engine started knocking while on vacation. We were not towing at the time. We put in injector cleaner to try and help the knocking. During our vacation, we were on the freeway when we suddenly lost…

Received May 27, 2026 · NHTSA complaint 11740399

Warped head / blown head gasket

Received Aug 30, 2024 · NHTSA complaint 11611894

The contact owns a 2012 Ram 2500. The contact stated the vehicle failed to start intermittently. The contact also stated that the air bag warning light was illuminated. The vehicle was taken to the local dealer and the dealer was made aware of the failure. The vehicle was not repaired. The…

Received Jul 14, 2023 · NHTSA complaint 11532307

Frequently asked questions

Do all Dodge RAM 2500s have engine problems?

No. NHTSA has 168 owner complaints about engine for the Dodge RAM 2500. Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the Dodge RAM 2500 engine?

Yes: 2 safety recalls list engine. Check your VIN on NHTSA.gov to see whether the fix was done on your car.

What do owners say about engine problems on the Dodge RAM 2500?

The most frequent phrase is “cooling fuel diesel”, in 27 of 168 complaints, followed by “exhaust manifold” (12).

Other Dodge RAM 2500 problems

See all Dodge RAM 2500 problems.