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EnginePart report

2003 Land Rover Discovery II Engine Problems

Complaints
5about this part
Share
8%of 63 total for the year
Median mileage
85,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the engine of the 2003 Land Rover Discovery II, 8% of the 63 complaints for this model year. Where a mileage was given, the median is 85,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“My engine started making a knocking sound and then a sound similar to metal scratching metal. I had a master mechanic look at the engine and had several part replaced 1500.00 worth to be exact and still the sound occurs. I contacted Land Rover and because my vehicle is used and over the warranty there was nothing they could do but suggest a new engine. …”

NHTSA complaint #10577206, filed 2014-04, 85,000 miles

“I have experienced the same online issue with my Land Rover Discovery Ii, my VIN is not the same however the same exact issues. 2003 discovery series ii oil pump failure I have a load knocking noise coming from my engine, the vehicle is still running, and oil changes, treatments etc cannot stop the knock. Not getting any warning lights of low pressure however it is at the Land Rover dealership of fort worth now and they confirmed the same. This a $12,000 fix for an issue that should have been a recall or notice to the public. …”

NHTSA complaint #10489148, filed 2012-12, 75,000 miles

“The contact owns a 2003 Land Rover Discovery Ii. The contact stated that the oil pump failed, causing the engine to seize and fail. The contact took the vehicle to a mechanic and was told that because the oil pump failed, the engine would need replacing. The vehicle was not repaired. The VIN was not available. The failure and current mileage was 150,000.”

NHTSA complaint #10491691, filed 2013-01, 150,000 miles

“The contact owns a 2003 Land Rover discovery. The contact stated while driving the vehicle would suddenly stall. The failure was diagnosed by the dealer who confirmed that the engine oil pump was faulty and needed to be replaced. The manufacturer was not notified of the failure. The failure mileage was 55,000.”

NHTSA complaint #10562849, filed 2014-02, 55,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
200429%
200358%
200113%
200013%
199913%

Other parts of the 2003 Land Rover Discovery II

Engine cooling
27 complaints
Brakes
14 complaints
Other or unknown
7 complaints
Transmission and drivetrain
5 complaints
Air bags
4 complaints
Latches, locks and linkages
3 complaints
Vehicle speed control
2 complaints
Electronic stability control
1 complaints
Equipment
1 complaints
Fuel system
1 complaints
Seat belts
1 complaints
Seats
1 complaints

← All problems reported for the 2003 Land Rover Discovery II

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology