2003 Honda Accord Engine and Engine Cooling Problems

Source: NHTSA · Updated Jun 27, 2026 · 95 complaints analyzed

Owners have filed 95 complaints with NHTSA about engine and engine cooling problems on the 2003 Honda Accord, 5% of all complaints for this model year. Half of the reports with a mileage happened before 66,575 miles. The words owners use most often: “egg smell” (19% of reports).

What owners describe

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

  • Egg smell: mentioned in 18 of 95 complaints (19%)
  • Transmission failed: mentioned in 6 of 95 complaints (6%)

At what mileage do engine and engine cooling problems happen?

Based on 60 complaints that reported the odometer reading.

Under 10k miles20 · 33%
10k–25k miles1 · 2%
25k–50k miles4 · 7%
50k–75k miles6 · 10%
75k–100k miles13 · 22%
100k–150k miles12 · 20%
150k+ miles4 · 7%

How serious are the reports?

Of 95 complaints, 2 a fire, 2 an injury.

Honda Accord engine and engine cooling complaints by model year

Peak: 1999, with 144 complaints
1995: 4319951996: 961997: 4819971998: 1341999: 14419991442000: 652001: 2920012002: 332003: 9520032004: 282005: 2720052006: 192007: 2620072008: 412009: 2920092010: 122011: 420112012: 92013: 720132014: 52015: 420152016: 22018: 2820182019: 102020: 220202021: 32022: 12022

n = 944 complaints · Source: NHTSA

Model yearEngine and Engine Cooling complaintsShare of that yearMedian miles
2022 Accord10%—
2021 Accord31%74,000
2020 Accord21%164,462
2019 Accord101%112,000
2018 Accord281%100,000
2016 Accord20%65,250
2015 Accord41%97,233
2014 Accord51%48,000
2013 Accord70%6,121
2012 Accord92%5,547
2011 Accord41%7,934
2010 Accord122%10,350
2009 Accord294%30,000
2008 Accord413%28,950
2007 Accord265%45,000
2006 Accord194%23,500
2005 Accord274%39,042
2004 Accord283%51,000
2003 Accord955%66,575
2002 Accord333%84,000
2001 Accord293%64,810
2000 Accord655%87,000
1999 Accord14413%85,690
1998 Accord13411%94,000
1997 Accord4810%118,000
1996 Accord9620%113,000
1995 Accord438%89,903

When owners reported it

Peak: 2003, with 28 complaints
2003: 282003282004: 142004142005: 2200522006: 4200642007: 3200732008: 8200882009: 3200932010: 7201072011: 132011132012: 8201282013: 2201322015: 2201522016: 120161

n = 95 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine and engine cooling for the 2003 Honda Accord. 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.

Hi! As you can see, i am an owner of a honda accord 2003. I have recently taken it for a replacement of the passenger airbag. While i was doing some research, i found that this specific year and model, had some other issues or recalls too. For example, the transmission system. His caught my…

Received Jan 28, 2016 · NHTSA complaint 10822828

The condenser as been ruptured twice due to debris on the street which as caused 500 dollars in repairs. Ruptured again two weeks after that was repaired. This issued needs to be addressed, have had several cases never experienced a issues such as this. However it's causing a uncomfortable driving…

Received May 13, 2015 · NHTSA complaint 10716237

A/c compressor leaked freon (all of it). *tr

Received Apr 14, 2015 · NHTSA complaint 10705694
Honda Accord
Urban Gray Pearl Honda Accord Hybrid Touring CY2 sedan at Honda Ilsan Dealership.. Representative photo; appearance varies by model year. Photo: Damian B Oh, CC BY-SA 4.0, via Wikimedia Commons.

Frequently asked questions

Do all 2003 Honda Accords have engine and engine cooling problems?

No. NHTSA has 95 owner complaints about engine and engine cooling for the 2003 Honda Accord (5% of the 1,987 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 Honda Accord 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 66,575 miles: half of the reports with a mileage came before that.

What do owners say about engine and engine cooling problems on the 2003 Honda Accord?

The most frequent phrase is “egg smell”, in 18 of 95 complaints, followed by “transmission failed” (6).

Other 2003 Honda Accord problems

See all 2003 Honda Accord problems or engine and engine cooling problems across all Accord years.