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deMort
Zolder


Joined: 21 Mar 2015
Posts: 5748
Location: Brighton


PostPosted: Fri Jan 11, 2019 7:44 pm    Post subject: Reply with quote

thinking
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ballcock
Sepang


Joined: 21 Jul 2008
Posts: 2922
Location: Dublin

1996 Porsche 993 Carrera 2

PostPosted: Fri Jan 11, 2019 7:56 pm    Post subject: Reply with quote

... Worried now Grin
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'96 Iris C2 vario manual coupe, Koni FZD's/M033's RSR's and HID's.
‘98 Ocean blue 996 C2 Tip pressed into daily service.

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deMort
Zolder


Joined: 21 Mar 2015
Posts: 5748
Location: Brighton


PostPosted: Fri Jan 11, 2019 7:57 pm    Post subject: Reply with quote

A 996 does tend to raise the idle when the a/c is turned on .. 997 and it tends to be pretty stable .

This is basically a pre map setting .. the car is told there is a load on the engine and so raises the idle to compensate.

If yours doesnt do this then you would start with fault codes .. there should be something , or it might be the load of the a/c pump is actually canceling out the rev increase .

Im not sure there is a problem there atm to be honest but i would class it as further inv . req .

Oil pressure of 1 bar is pretty much what any Porsche will acheive on a hot engine .. modern cars have a variable oil pressure control (an oil pump puts a load on the engine ) so it increases engine power by reduceing the pump pressure .

EDIT .. i forgot i was in the 996 section and answered as a 997 question .. deleted and re did it Very Happy

Im old Razz
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ballcock
Sepang


Joined: 21 Jul 2008
Posts: 2922
Location: Dublin

1996 Porsche 993 Carrera 2

PostPosted: Fri Jan 11, 2019 9:45 pm    Post subject: Reply with quote

Grin

Not as old as my wife tells me I am Razz
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'96 Iris C2 vario manual coupe, Koni FZD's/M033's RSR's and HID's.
‘98 Ocean blue 996 C2 Tip pressed into daily service.

Ex '83 W460 LWB G Wagen updated with OM602 engine and 6 speed 'box
Ex. '99 996 C2 manual coupe.
 
  
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P911X50
Monza


Joined: 03 Jan 2017
Posts: 215
Location: Hertfordshire


PostPosted: Fri Jan 11, 2019 9:56 pm    Post subject: Reply with quote

A related question in respect to faulty senders.

1. When turning on the ignition (and not starting the car), my oil pressure needle moves off the bottom and moves to the 0. Is that normal? as I've just recently replaced mine.

2. When cold and driving, it never moves beyond 4. Seems little low to me.

Are both these readings normal
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Porsche 996 Turbo X50 with 9e exhaust,
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Marky911
Kyalami


Joined: 04 Jun 2009
Posts: 1990



PostPosted: Fri Jan 11, 2019 10:35 pm    Post subject: Reply with quote

Gauge sounds fine P911.

I was as clear as mud in my other post when I said if it rises off bottom.
I'm picturing bottom as "0".
Ignition on, engine off, gauge should read no more than zero.

4 bar cold pressure sounds a bit low. Mine is at max on cold starts.
 
  
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ballcock
Sepang


Joined: 21 Jul 2008
Posts: 2922
Location: Dublin

1996 Porsche 993 Carrera 2

PostPosted: Fri Jan 11, 2019 11:17 pm    Post subject: Reply with quote

The gauges are all over the place. My pals starts at 5.0 bar on a cold start. Never goes below 2 bar when properly hot.
Mine only goes to 4.5 on cold start, drops to 1 after 20 ish minutes.
And now P911 yours only reaches 4.0 ..
it seems the only thing worth bothering about is the low oil pressure light if it ever appears.
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'96 Iris C2 vario manual coupe, Koni FZD's/M033's RSR's and HID's.
‘98 Ocean blue 996 C2 Tip pressed into daily service.

Ex '83 W460 LWB G Wagen updated with OM602 engine and 6 speed 'box
Ex. '99 996 C2 manual coupe.
 
  
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Ghianightmare
Monza


Joined: 25 Apr 2017
Posts: 207
Location: Dublin


PostPosted: Sat Jan 12, 2019 12:51 am    Post subject: Reply with quote

https://m.youtube.com/watch?v=sYUSN3Webrw
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