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Mike74
Newbie


Joined: 06 Mar 2018
Posts: 7



PostPosted: Tue Mar 06, 2018 10:31 am    Post subject: 997 Starting up Reply with quote

Hi guys,

I've recently obtained a 2007 997 Targa 4 manual, and it's got this intermittent issue on starting up. What happens is; foot on clutch, foot on brake, turn key, nothing but strange electronic buzzes and clicks. Repeat 4-5 times, and then the engine spring to life.

Doesn't happen all the time, just periodically. Had the car under snow for two days, and fired up immediately, but then later the same day, took 4-5 attempts to get it going.

Any ideas as to what might be causing this?

Cheers!
 
  
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T8
General
General


Joined: 29 Jun 2010
Posts: 14009
Location: Kent


PostPosted: Tue Mar 06, 2018 10:38 am    Post subject: Reply with quote

It sounds like your battery is on the way out. You may want to change it before it fails completely. They don't give much warning.
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ex 2004 Polar Silver 996T Tiptronic
ex 2002 Seal Grey 996.2 C4 Tiptronic
ex 1978 Silver 924 Manual
 
  
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Mike74
Newbie


Joined: 06 Mar 2018
Posts: 7



PostPosted: Tue Mar 06, 2018 11:11 am    Post subject: Reply with quote

OK, cool, thanks, much appreciated.
 
  
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Tobyone
Monza


Joined: 20 Jan 2018
Posts: 171
Location: Somewhere else


PostPosted: Tue Mar 06, 2018 11:17 am    Post subject: Reply with quote

Likewise I would say battery.
My Fiesta did the same
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James M-S
Montreal


Joined: 11 Apr 2017
Posts: 513
Location: Derby

2009 Porsche 997 Carrera 2

PostPosted: Tue Mar 06, 2018 11:43 am    Post subject: Reply with quote

Are terminals secured?
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deMort
Shanghai


Joined: 21 Mar 2015
Posts: 4622
Location: Brighton


PostPosted: Tue Mar 06, 2018 4:30 pm    Post subject: Reply with quote

I find it a little curious that for several attempts its like a flat battery but then spins over and starts the car .

Get the battery checked but im leaning towards a possible ignition lock or more likely the power distributor pin being corroded .

If it is that then its really a garage job but if you want to check then ..

Disconnect negative battery lead , undo battery clamp and slide the battery over to the o/s .

Follow the positive lead down to where it connects , the pin is under that , push the red tab downwards about 4 mm and the lead should slide back a bit to reveal the pin .

Dont pull it all the way off but just enough to see if its corroded .

Alternatively when the car wont start then wiggle that lead a bit and try and restart .


http://911uk.com/viewtopic.php?t=118716&highlight=power+dist


If you mean you just get a click from the engine each time you turn the key then its probably the startermotor .
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PanozGTR
Newbie


Joined: 05 Jul 2017
Posts: 49
Location: West Sussex


PostPosted: Tue Mar 06, 2018 6:44 pm    Post subject: Reply with quote

I had a similar problem a while ago on an BMW M3 and it turned out to be the ignition switch. If you turn the key and nothing happens , hold it over and wait to see if starts. The current can take a few seconds to jump across worn contactors.
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Mike74
Newbie


Joined: 06 Mar 2018
Posts: 7



PostPosted: Tue Mar 06, 2018 9:28 pm    Post subject: Reply with quote

Thanks for all the advice guys, much appreciated.
 
  
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Phil 997
Brands Hatch
Brands Hatch


Joined: 05 Dec 2015
Posts: 13255
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Tue Mar 06, 2018 11:36 pm    Post subject: Reply with quote

Mike, as Demort and others say, the 997 does have an issue seen it often reported with the ignition lock the symptoms are just as you describe . that would be where my £5 is on Thumb The gen2 has a similar issue but that on a micro switch under the clutch they did have a campaign at the OPC to fix the 997.2 issue but not the gen1 issue . Thumb
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drmark
Trainee


Joined: 07 Feb 2009
Posts: 92



PostPosted: Tue Mar 13, 2018 7:42 pm    Post subject: Reply with quote

Faulty clutch switch (needs to be fully depressed for engine to start).
 
  
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