Problems owners report
Complaints filed with NHTSA about the 2003 Porsche 911 Turbo, by the system named in each complaint. One complaint can name several.
- Engine11
- Engine and engine cooling2
- Vehicle speed control1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fuel consumption
Official Canadian test results for 2 variants: combined 14.7–14.9 L/100 km (about 16 mpg US), CO₂ 338–343 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| 911 Turbo · Minicompact · Premium gasoline | 17.2 | 11.7 | 14.7 |
| 911 Turbo · Minicompact · Premium gasoline | 17.7 | 11.4 | 14.9 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
2 Transport Canada recalls for the 2003 Porsche 911 Turbo.
| 2004061 17 Feb 2004 | Seats And Restraints On certain vehicles, the front seat backs may tilt towards the rear during a rear end collision. If this were to happen, seat occupants could be injured. Corr… |
| 2003150 12 Jun 2003 | Steering On certain vehicles, a fitting in the pressure line of the power steering assembly may be loose. Correction: Dealer will tighten fitting to specification. |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
CERTAIN PASSENGER VEHICLES FITTED WITH FRONT SEAT BACKS, WHICH DO NOT MEET PORSCHE'S STRENGTH STANDARDS.
CERTAIN PASSENGER VEHICLES MAY HAVE A LOOSE FITTING IN THE PRESSURE LINE OF THE POWER STEERING ASSEMBLY.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Porsche told its dealers about the 2003 Porsche 911 Turbo: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11011666 | Parts information with parts withdrawal involving the hydro-mounting - 992199384F The affected vehicles are cars that use the part number mentioned. |
| 11011572 | Parts information for parts withdrawal involving the oil separator. The affected vehicles are cars that use part number 0PC115099A |
| 11011570 | Special tools and equipment information for the WiScope UV upgrade - affecting all Porsche models |
| 11011563 | Information on PIWIS tester update 43.000.020 & .021. PIWIS tester updates applies to all Porsche models that have an OBD2 port. |
| 11011561 | Information on PIWIS tester update 43.000.017. PIWIS tester updates applies to all Porsche models that have an OBD2 port. |
| 11011552 | Parts information for parts withdrawal involving the camera and control unit with the camera - PAD980551 & PAD980568C. The affected vehicles are cars that use the part numbers mentioned. |
| 11011200 | Information on PIWIS tester update 43.000.016. PIWIS tester updates applies to all Porsche models with an OBD2 port. |
| 11011195 | Information on PIWIS tester update 43.000.010, .011 & .015. PIWIS tester updates applies to all Porsche models with an OBD2 port. |
| 11011158 | Installation and conversion instructions on the manthey threaded suspension for the 911. |
| 11009877 | Information on PIWIS tester update 42.950.048 |
| 11009862 | Special tools and equipment information for the mobile data signal strength in the workshop |
| 11008666 | Manufacturers certificate with an overview on approved Porsche A40 engine oils. See attached for list of affected vehicles. |
| 11008658 | Parts information for parts withdrawal involving the windscreen. Vehicles affected are cars that use part numbers 992845011Q, 992845011AN, 992845011S, 992845011AM, 992845011BL, 992845011DB, 992845047DY, 992845047FY |
| 11008657 | Information on PIWIS tester update 42.950.040. PIWIS tester updates applies to all Porsche models that have an OBD2 port. |
| 11008637 | Information on PIWIS tester update 42.950.032. PIWIS tester updates applies to all Porsche models that have an OBD2 port. |
| 11008636 | Information on PIWIS tester update 42.950.030. PIWIS tester updates applies to all Porsche models that have an OBD2 port. |
| 11008635 | Parts information for parts withdrawal involving the booster - 7PP035223M, 7PP035223AA, 99164548000. Vehicles affected are cars that use the part numbers listed. |
| 11008624 | Information on PIWIS tester update 42.950.025 |
| 11008603 | Parts information for parts withdrawal involving the windscreen. The cars involved are cars that use the part numbers 992845011Q, 992845011AN, 992845011S, 992845011AM, 992845011BL, 992845011DB, 992845047DY, 992845047FY |
| 11008486 | Information on PIWIS tester update 42.950.021 |
| 11008479 | Parts information for parts withdrawal involving the chain tensioner - 0PB109507D |
| 11008476 | Information on PIWIS tester update 42.950.020 |
| 11008473 | Parts information for parts withdrawal involving the seat frame - 992885456CY |
| 11008470 | Information on PIWIS tester update 42.950.015 |
| 11008454 | Parts information for parts withdrawal involving the booster - 7PP035223M, 7PP035223AA, and 99164548000 |
NHTSA manufacturer communications (public domain)
NHTSA investigations
Rapid coolant loss
NHTSA Office of Defects Investigation