2003 Porsche Boxster Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Porsche Boxster
- Various Faults Due to Intenal Leak at the Oil Seperator
- Electrical Portion of Ignition Switch May Become Erratic or Fail
- Power Windows Won't Lower Due to Failing Cabriolet Top/Door Handle Micro Switch
- Persistent Coolant Loss Due to Small Leak at Coolant Reservoir
- Rear main seal/intermediate support cover O-ring may leak oil
2003 Porsche Boxster Problems
Smoke, oil consumption, and fuel trim issues with various fault codes can be traced to an internal leak at the oil separator.
If the vehicle cannot return to run position after start or if the interior fan is not getting power, it may be the electrical portion of the ignition switch has become erratic or has failed. The entire switch assembly should be replaced.
The power windows not lowering when the Cabriolet top latch and/or door handle is operated or lowering unexpectedly while driving can be caused by a failing Cabriolet top or door handle micro switch. Diagnoses will be required to determine which switch is at fault and will require replacement.
2003 Porsche Boxster Questions
my engine light came on and the repair show stated that my catalyic converter is bad ? the light came on about a week ago
I have only driven the car, at very slow speed, for about 4,000 miles in the last 2 years. I had it serviced at a Porsche dealer before moving. I moved overseas and brought the car with me and now am wondering if I need to change the oil or can wait for a few more miles. It has about 41,967 mi...
I'm interested in purchasing a used 03 Porsche Boxster. I'm concerned about maintenance costs. any recommendations?
2003 Porsche Boxster Recalls
2003 Porsche Boxster Reviews
This is a wonderful porsche. The 2003-2004's were the best boxster's. These are affordable and easy to drive. This is my 2nd porsche and I will not be selling it ever.