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Porsche » Boxster » 1999 Porsche Boxster » Car Problems

Problem Reports

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1999 Porsche Boxster Problems

Check Engine Light Due to Various Engine Vacuum Leaks

for the Porsche Boxster

Engine vacuum leaks can develop from various locations resulting in illumination of the Check Engine Light.

15 Reports

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Abnormal Noise When Shifting Manual Transmission

for the Porsche Boxster

Abnormal noise may be noted when shifting or reverse gear is selected in vehicles with a manual transmission. If this problem is encountered, proper operation of shift cables and clutch should be verified before any other repairs are attempted.

16 Reports

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Airbag Warning Light Due to Seat Belt Buckles, Wiring, or Module Faults

for the Porsche Boxster

If the airbag warning light illuminates, it must be attended to quickly. Seat belt buckles, wiring updates/repairs, and/or airbag module faults may be the cause.

16 Reports

Me Too

Water Leak From Cabriolet Top Due to Clogged Drains

for the Porsche Boxster

The drains in the Cabriolet top can clog, causing water to leak onto the carpets. Water can also accumulate in the doors, causing various electrical problems.

16 Reports

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Various Faults Due to Intenal Leak at the Oil Seperator

for the Porsche Boxster

Smoke, oil consumption, and fuel trim issues with various fault codes can be traced to an internal leak at the oil separator.

24 Reports

Me Too

Rear main seal/intermediate support cover O-ring may leak oil

for the Porsche Boxster

Engine oil leaks can occur at the rear main seal and/or intermediate support cover o-ring; a revised seal is available. A careful diagnosis with proper tools is necessary to verify dimensional accuracy of the crankshaft to engine block.

19 Reports

Me Too

Erratic Operation of Power Windows

for the Porsche Boxster

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.

19 Reports

Me Too

Check Engine Light Due to Internal Vacuum Leak at Oil Seperator

for the Porsche Boxster

Various fuel trim and oxygen sensor limit fault codes can be traced to an internal vacuum leak at the oil separator.

15 Reports

Me Too

Windows/Interior Trim are Prone to Squeaks/Rattles

for the Porsche Boxster

Windows and interior trim can be prone to squeaks and rattles. Numerous, small adjustments may resolve the issue. Additional creaks have been attributed to front and/or rear window fit as well.

1 Report

Me Too

Electrical Issue Due to Failed Ignition Switch

for the Porsche Boxster

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.

20 Reports

Me Too

Coolant Loss and Engine Overheating

for the Porsche Boxster

Persistent coolant loss can be caused by a small leak at the coolant reservoir. Our technicians tell us the leak may not be visible due to the trunk carpet hiding the leak.

17 Reports

Me Too