2003 Dodge RAM 1500 Engine and Engine Cooling Problems

Source: NHTSA · Updated Oct 5, 2026 · 56 complaints analyzed

Owners have filed 56 complaints with NHTSA about engine and engine cooling problems on the 2003 Dodge RAM 1500, 5% of all complaints for this model year. Half of the reports with a mileage happened before 42,318 miles. The words owners use most often: “valve spring” (13% of reports).

What owners describe

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

  • Valve spring: mentioned in 7 of 56 complaints (13%)
  • Oil pressure: mentioned in 5 of 56 complaints (9%)

At what mileage do engine and engine cooling problems happen?

Based on 51 complaints that reported the odometer reading.

Under 10k miles13 · 25%
10k–25k miles7 · 14%
25k–50k miles10 · 20%
50k–75k miles8 · 16%
75k–100k miles4 · 8%
100k–150k miles8 · 16%
150k+ miles1 · 2%

How serious are the reports?

Of 56 complaints, 1 a fire.

Dodge RAM 1500 engine and engine cooling complaints by model year

Peak: 2004, with 116 complaints
1995: 131995131996: 32321997: 201997201998: 35351999: 391999392000: 25252001: 512001512002: 58582003: 562003562004: 1161162005: 772005772006: 21212007: 132007132008: 882009: 9200992010: 13132011: 5201152012: 88

n = 599 complaints · Source: NHTSA

Model yearEngine and Engine Cooling complaintsShare of that yearMedian miles
2012 RAM 150081%100,017
2011 RAM 150051%50,000
2010 RAM 1500133%54,800
2009 RAM 150091%35,000
2008 RAM 150081%56,050
2007 RAM 1500133%34,000
2006 RAM 1500213%45,000
2005 RAM 1500777%51,900
2004 RAM 150011611%43,000
2003 RAM 1500565%42,318
2002 RAM 1500587%60,000
2001 RAM 1500515%62,300
2000 RAM 1500255%61,000
1999 RAM 1500396%70,000
1998 RAM 1500357%79,000
1997 RAM 1500206%31,000
1996 RAM 15003211%102,000
1995 RAM 1500136%—

When owners reported it

Peak: 2005, with 12 complaints
2003: 7200372004: 6200462005: 122005122006: 6200662007: 6200762008: 8200882009: 4200942010: 3201032011: 1201112012: 2201222016: 120161

n = 56 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine and engine cooling for the 2003 Dodge RAM 1500. A pattern of complaints does not always lead to a recall.

What owners report

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

2003 dodge ram 1500. Consumer writes in regards to passenger airbag recall replacement parts still on back order. Vehicle has multiple recalls that relates to steering, lighting, visibility, electrical, engine issues and requests loaner vehicle. *smd the consumer stated the additional recalls…

Received Jun 23, 2016 · NHTSA complaint 10876146

Truck stalls every time i start slowing down for a stop sign or red light and sometimes when i turn corners. When idling it shuts off immediately unless i throttle to keep rpms up. Also stalls when i put it in reverse. I've been almost hit several times when pulling into an intersection. Replaced…

Received Oct 12, 2012 · NHTSA complaint 10479856

While driving came up to lights and the engine stalled had no steering and no brake put engine in park restarted and drove on this has happened numerous times in nd out of traffic. When pulling hard to the left or right the engine will begin to stall did this while truck was sitting in front yard…

Received Apr 22, 2012 · NHTSA complaint 10456028

Frequently asked questions

Do all 2003 Dodge RAM 1500s have engine and engine cooling problems?

No. NHTSA has 56 owner complaints about engine and engine cooling for the 2003 Dodge RAM 1500 (5% of the 1,171 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2003 Dodge RAM 1500 engine and engine cooling?

No recall currently lists engine and engine cooling for this vehicle.

At what mileage do engine and engine cooling problems start?

The median reported mileage is 42,318 miles: half of the reports with a mileage came before that.

What do owners say about engine and engine cooling problems on the 2003 Dodge RAM 1500?

The most frequent phrase is “valve spring”, in 7 of 56 complaints, followed by “oil pressure” (5).

Other 2003 Dodge RAM 1500 problems

See all 2003 Dodge RAM 1500 problems or engine and engine cooling problems across all RAM 1500 years.