2003 Toyota Corolla Engine and Engine Cooling Problems
Owners have filed 92 complaints with NHTSA about engine and engine cooling problems on the 2003 Toyota Corolla, 13% of all complaints for this model year. Half of the reports with a mileage happened before 29,285 miles. The words owners use most often: “rotten egg” (21% of reports).
- 92engine and engine cooling complaints
- 29,285median miles at failure
- 2mention a crash
- 0mention an injury
- 0related recalls
- $2,350typical repair cost reported by owners
- 52%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Rotten egg: mentioned in 19 of 92 complaints (21%)
- Catalytic converter: mentioned in 9 of 92 complaints (10%)
- Sulfur smell: mentioned in 7 of 92 complaints (8%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine and engine cooling repair on the 2003 Toyota Corolla at $2,350, and half of them between $1,850 and $7,350.
Based on 6 NHTSA complaints about this problem alone that state a repair bill or quote (2007–2011), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do engine and engine cooling problems happen?
Based on 49 complaints that reported the odometer reading.
How serious are the reports?
Of 92 complaints, 2 mention a crash, 1 a fire.
Toyota Corolla engine and engine cooling complaints by model year
| Model year | Engine and Engine Cooling complaints | Share of that year | Median miles |
|---|---|---|---|
| 2020 Corolla | 1 | 0% | 1,500 |
| 2015 Corolla | 1 | 0% | 125,000 |
| 2014 Corolla | 2 | 1% | 990 |
| 2013 Corolla | 3 | 1% | 188,000 |
| 2011 Corolla | 7 | 1% | 175 |
| 2010 Corolla | 10 | 1% | 9,020 |
| 2009 Corolla | 42 | 3% | 13,500 |
| 2008 Corolla | 33 | 11% | 36,500 |
| 2007 Corolla | 68 | 8% | 30,000 |
| 2006 Corolla | 104 | 12% | 50,748 |
| 2005 Corolla | 92 | 11% | 59,500 |
| 2004 Corolla | 46 | 10% | 5,611 |
| 2003 Corolla | 92 | 13% | 29,285 |
| 2002 Corolla | 19 | 16% | 60,000 |
| 2001 Corolla | 31 | 23% | 66,725 |
| 2000 Corolla | 47 | 32% | 62,000 |
| 1999 Corolla | 20 | 13% | 62,000 |
| 1998 Corolla | 17 | 8% | 67,500 |
| 1997 Corolla | 4 | 3% | — |
| 1996 Corolla | 9 | 7% | 49,393 |
| 1995 Corolla | 8 | 5% | 198,000 |
When owners reported it
Related recalls (0)
No safety recall lists engine and engine cooling for the 2003 Toyota Corolla. 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 toyota corolla. Consumer writes in regards to airbags and belt tensioner deployed in vehicle without being involved in any collision. *smd
I was driving home from work when the transmission locked up. I pulled over turned the car off and back on. I managed to put the car in first gear and make it back home even though the transmission was making this loud grinding noise. I brought the car for repair and they tell me i need a new…
I was driving the car, a toyota corolla 2003 on july 12 and while driving it turn on the check engine light, next morning while driving the car in a highway the car turn off. I didn't have an accident because it was too early in the morning, after couple attempts the car turned on, i call a toyota…
Frequently asked questions
Do all 2003 Toyota Corollas have engine and engine cooling problems?
No. NHTSA has 92 owner complaints about engine and engine cooling for the 2003 Toyota Corolla (13% of the 720 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 Toyota Corolla 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 29,285 miles: half of the reports with a mileage came before that.
How much does it cost to fix engine and engine cooling problems on the 2003 Toyota Corolla?
Owners report a typical cost of $2,350 (half paid between $1,850 and $7,350), from 6 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine and engine cooling problems on the 2003 Toyota Corolla?
The most frequent phrase is “rotten egg”, in 19 of 92 complaints, followed by “catalytic converter” (9).
Other 2003 Toyota Corolla problems
See all 2003 Toyota Corolla problems or engine and engine cooling problems across all Corolla years.