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Lou P.
Lou P., ASE Certified Technician
Category: Porsche
Satisfied Customers: 4946
Experience:  I Have knowledge in almost all car lines and can help with general questions and more!!!!!
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2003 boxster, starts runs perfect. Won't start up after it

Customer Question

2003 boxster, starts runs perfect. Won't start up after it has been running. Turn the key and makes no sound; like it is dead. Was exploring clutch or DME relay
JA: Has the clutch been slipping? Are you having any trouble shifting?
Customer: nope, no trouble with any of that. No trouble with ignition. Just when engine has been running, turn the key and nothing.
JA: Are you fixing your Boxster yourself? What have you tried so far?
Customer: nope, haven't done anything yet
JA: Anything else you want the mechanic to know before I connect you?
Customer: Not that I can think of
Submitted: 1 month ago.
Category: Porsche
Expert:  Lou P. replied 1 month ago.

Hello, my name is***** and i will do my best to assist you.I am going over your story now and will reply back soon with some info,thanks!

Expert:  Lou P. replied 1 month ago.

when this happens its either a engine module or the starter.

the first thing I would check is the starter, test at the solenoid with a test light to see if it is getting power when cranking, if it is the issue is the starter. if it is not then we need to explore the engine module.

hope this helps

Lou

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Lou P.
Master Mercedes-Benz Tech
Master ASE Certified Tech

Porsche Bronze certified

Customer: replied 1 month ago.
I don't think it is starter. I think it is a sensor/switch on clutch. Starts perfect. After engine has been running it won't start. Really won't do anything when you turn the key (all electronics work). Wait a few minutes, will start right up. Additionally my cruise just stopped working. I think there is a swith on clutch for that as well. Maybe this is causing it?
Expert:  Lou P. replied 1 month ago.

not sure why you would not take my advice, the only thing that can happen due to heat is starter or engine module,

if all electronics come on then i would suspect a starter.

thinking its not the starter is not diagnosis, its assumption. its the quickest way to determine if its the starter or not.

Expert:  Lou P. replied 1 month ago.

the problem with diagnosis today is every one forgets the basics, everyone wants to throw a computer or switch or sensor at the car.

my approach is start at the easiest thing and work backwards.

its worked for me for 20 years and 16 in the dealer world.

Lou

Expert:  Lou P. replied 1 month ago.

Hello, Im curious if you made progress on this or if you need or want more help?

please let me know, thanks, Lou