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Car didn't start today?!

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Old Feb 21, 2010 | 07:08 PM
  #16  
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Originally Posted by Edgy01
Don't fret--you have a $100K car that you only paid $45K for so you have a way to spend to get it up to speed.
That's the way to look at it, Dan. He has about $55,000 left in
play money.
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Old Feb 21, 2010 | 07:44 PM
  #17  
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Ok, Porsche assistance sent a guy to jump the car, it didn't jump right away, had to charge it for 2-3 mins, then it started. I drove around for 30mins and now it all seems fine!

Interestingly, I didn't have to train windows, and the clock came back to current time without adjustements!

I bought the car in July with 6K miles, this is my only car and daily, but I walk to work, so pretty much drive only for weekends, and road trips.
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Old Feb 21, 2010 | 08:08 PM
  #18  
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Originally Posted by gotfish
just offloaded a 09 cs, 7500 miles on her. from hennessy in roswell ga. i live in jersey. drove it first time on friday- 2 days ago. when i accelerated on the expressway she started to miss and backfire. i pulled over, turned off the car, restarted and everything was fine the rest of the trip. today, sunday i go to start my new toy, and she will not turn over. just great! less than 50 miles and i can't even go for a spin.
can't wait to hear what the problem is.
Your issue may be a HPFP.
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Old Feb 21, 2010 | 09:09 PM
  #19  
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hi ADias,
would you mind elaborating. i am a newbie. what is HPFP?
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Old Feb 21, 2010 | 09:39 PM
  #20  
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I've only had my battery drain once when using the Bose system while the Porsche was parked in my garage. When that engine is shut off the electronics are limited to about 25 minutes on their own (in mine anyway)
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Old Feb 21, 2010 | 09:44 PM
  #21  
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Originally Posted by gotfish
hi ADias,
would you mind elaborating. i am a newbie. what is HPFP?
It's code for "High Pressure Fuel Pump."
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Old Feb 21, 2010 | 10:13 PM
  #22  
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thanks guys. car is to be towed to dealership tomorrow. i also learned how to research forums.
will post outcome.
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Old Feb 22, 2010 | 12:20 AM
  #23  
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Originally Posted by gotfish
hi ADias,
would you mind elaborating. i am a newbie. what is HPFP?
HPFP - High Pressure Fuel Pump. Some early 997.2 DFI engines develop a problem with an out if tolerance component in its HPFP with the symptoms you described. It could also be a bad spark plug coil. You should have that diagnosed an fixed soon.
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Old Feb 22, 2010 | 02:29 AM
  #24  
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Originally Posted by LlBr
Been there done that: detector drained battery too much. Remote and window malfunction: nobody knows WHY that is but rest assured it's the battery.
Sure we do. Lots of us know why.
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Old Feb 22, 2010 | 02:43 AM
  #25  
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Originally Posted by simsgw
Sure we do. Lots of us know why.


.
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Old Feb 22, 2010 | 10:58 AM
  #26  
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Is it just me or does the porsche battery seem to need a bit more amperage? My japanese cars have always started so much easier then either porsche.
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Old Feb 22, 2010 | 12:37 PM
  #27  
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Just went through the same issue with my 05. I tried to revive my dead battery with the Porsche battery charger/maintainer but still wouldn't start. I had a service appointment scheduled last Friday and couldn't even the car to the dealership. So I just picked up an original Porsche 80 amp battery from their parts department. Retail is $290, but I paid $200 b/c of my PCA discount. Installed myself in about 20 minutes. A nice tip I got from my service tech was to keep the charger plugged in while swapping batteries, that way you keep power to the PSM and don't get any faults afterward.
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Old Feb 22, 2010 | 12:41 PM
  #28  
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Originally Posted by prwdmd
A nice tip I got from my service tech was to keep the charger plugged in while swapping batteries, that way you keep power to the PSM and don't get any faults afterward.
Good idea! Those faults are worrying bordering on scary. After battery removal I got the PSM "failure" thing which caused a panic for a few minutes. The thing was lazy and took it's sweet time to "relearn" when I went thru the correction process. My brain's "correction process" was already suffering, "How the heck and I gonna get this car in for service?"

IOW, your tip is excellent because who needs even a chance of a PITA unscheduled trip to dealer service?
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Old Feb 22, 2010 | 02:05 PM
  #29  
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Originally Posted by LlBr
That's reassuring simsgw, I'm glad there are a few individuals in the background here who have noteworthy expertise. You and ADias apparently being two of them!
Unless this is your first car... you should know that batteries go often bad with shorted elements which can debit low current values (turn on lights, move windows) but will balk at starting the car. That is what simsgw meant, I'm pretty sure, and I smiled about.

If you read the thread, instead of pontificating, you will see that the OP received advice to replace the battery given the symptoms he reported. And BTW... this forum has plenty of such battery incidents, with proper advice, including usage of a maintainer while replacing batteries to avoid error codes (which BTW are no big deal).
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Old Feb 22, 2010 | 02:15 PM
  #30  
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Originally Posted by ADias
Unless this is your first car... you should know that batteries go often bad with shorted elements which can debit low current values (turn on lights, move windows) but will balk at starting the car. That is what simsgw meant, I'm pretty sure, and I smiled about.
What I'm smiling about is the guy whose PCM CD player went on the fritz (would not eject CD), it kept crashing his NAV and eventually made his sunroof open up every time the PCM crashed.

There are probably five people in the world (software developers who were once on contract to Porsche?) who know why that happened. That's why I said half-humorously "Nobody knows [why stuff happens]."

Another misunderstanding solved! Perhaps that's why you interpreted and suffered my post as a pontification.
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