2003 Hyundai Elantra engine and engine cooling problems
21 owner complaints filed with NHTSA name the engine and engine cooling on the 2003 Hyundai Elantra — 9% of all complaints for this model year.
What owners report
“Emission control system failure. I just had my vehicle repaired for a failing vapor canister purge valve that causes the check engine light to illuminate. This valve is part of the evaporative (evap) emission control system. According to my mechanic, the faulty valve stays in the open position…”
filed Apr 25, 2015
“A few months back I began noticing that my check engine light came on. Would take 10- 15 mins to fill up gas tank. Sensor was triggered every few seconds, suggesting gas tank was full, but it was not. Took it to the dealer and was told there was nothing wrong with the car. With in the last month I…”
filed Sep 29, 2013
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
23-EM-005H · Service Bulletin/Repair Instructions · issued Oct 13, 2023Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement.
22-EM-010H · Service Bulletin/Repair Instructions · issued Jul 28, 2022
Engine and Engine Cooling problems in other Elantra years
| Year | Reports | Share |
|---|---|---|
| 2023 Elantra | 1 | 1% |
| 2021 Elantra | 3 | 2% |
| 2020 Elantra | 3 | 1% |
| 2019 Elantra | 4 | 2% |
| 2018 Elantra | 4 | 1% |
| 2017 Elantra | 4 | 1% |
| 2016 Elantra | 3 | 1% |
| 2015 Elantra | 3 | 1% |
| 2014 Elantra | 2 | 1% |
| 2013 Elantra | 3 | 0% |
| 2012 Elantra | 2 | 0% |
| 2011 Elantra | 5 | 1% |
Other reported problem areas on the 2003 Hyundai Elantra
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.