Porsche Boxster owners have reported 1 problem related to gas recirculation valve (egr valve) (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Porsche Boxster based on all problems reported for the Boxster.
Misfires during warm up, after warm up the engine runs smooth with high rpm of 1200 to 1300. I have to tap the accelerator pad to lower the rpm,after couple of seconds the rpm goes back up. When it reaches 190 degrees rpm goes higher to almost 1500, temperature goes to 210 degrees fan turns on from the radiator on the driver side but not on the passenger side, fan on the engine compartment sometimes turns on and sometimes not . Then the engine stops running at 210 degrees, start up but won't run. You have to wait for the temperature to drop down to 160 degrees, sometimes all the way down. Start it up then the engine runs.
See
all problems of the 1999 Porsche Boxster
🔎.