That is not it. The CPS is on the passenger's side of the bell housing.
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
Thanks for your patience. I found what I'm pretty sure is the crank position sensor. Getting the plug out took some effort as described in "my99 Boxster Crank Position sensor DIY" on the pelican parts forum. Any ideas on how to test it? There are 3 pins on the plug.
I took the battery out and after I put it back in in started up no problem! I've heard of clearing fault codes that way but last time I checked I had none.
The same problem has happened intermittently over the last year. I'd say about 5 times in total. The engine seems to fire but dies immediately. Maybe its not even firing, I'm not sure. But it sounds normal until you get to the point where you would normally let go of the key. It seems more likely to happen if I give the engine a false-start, like when you turn the key and it slips in your hand so it doesn't have enough turn to get up and going. Its not a big problem - I just always need to have a 10mm socket handy to pull the battery connection, then everything is fine.
I was just wondering if anyone has seen this problem? Is it really a case of my DME crashing and needing a reboot? The first rule of IT is 'have you tried turning it off and then on again?'. Is this going to be the first rule of Porsche's?