2003 Land Rover Discovery engine problems
11 owner complaints filed with NHTSA name the engine on the 2003 Land Rover Discovery — 23% of all complaints for this model year.
What owners report
“Tl* the contact owns a 2003 land rover discovery. The contact stated that there was a defect in the bosche engine which caused the engine to overheat. The failure caused the coolant to boil in the main cylinder head and mix with the oil in the engine. The contact was quoted a cost of $7,000 for the…”
filed Jan 30, 2020
“2003 land rover discovery ii oil pump failure: we bought ours previously-owned from a land rover dealer. Nothing was mentioned about the defect in the manufacturing of this 4.6 l engine or the attached march 14, 2003 technical alert. In spite of regular service, the engine failed because of this…”
filed Mar 30, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Subject regarding new state ulev emissions requirements. *tt
OPS0201 · Service Bulletin/Repair Instructions · issued Apr 26, 2002
Engine problems in other Discovery years
| Year | Reports | Share |
|---|---|---|
| 2019 Discovery | 8 | 21% |
| 2018 Discovery | 5 | 14% |
| 2017 Discovery | 13 | 24% |
| 2004 Discovery | 5 | 17% |
| 1998 Discovery | 1 | 3% |
| 1996 Discovery | 1 | 2% |
Other reported problem areas on the 2003 Land Rover Discovery
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.