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79NINE30
 
Join Date: Oct 2007
Posts: 8
Question Unhappy Nine30

My first posting to Pelican. (Peter Smith From Cape Cod).
My 930 started to cut out on me last week and so far I can not figure it out. It drives fine even at high RPM until you step on the gas and ask it to perform then it begins to sputter. I could hear a "Whirring" sound from behind me (a sound that you do not hear from the engine compartment) I made a determination that it was my fuel pump , and had Mark Hayes (Foreign Motor Car Of Hyannis) install a new one for me and guess what ? Problem is still there. Any Thoughts?
P.S. ever notice how when your Porsche is sick it is hard to maintain a good mood? A little short with the wife, a little more tossing and turning at night , a blank far away stare. I used to think of other things when I woke up in the morning...
Old 10-06-2007, 07:43 AM
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Porsche-Poor
 
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Location: Seattle, WA
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intake manifold leak???
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1979 911 RS clone hotrod
1983 930 turbo-sold, will be missed
1992 964 C2 Coupe-regrettably sold
1980 911 SC Weissach-regrettably sold
1975 911S-sold but not forgotten
Old 10-06-2007, 09:41 AM
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Black968's Avatar
 
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Replace your fuel pump relay and check the fuel pump fuse (in the front on the right side firewall) for corrosion. These two items are notorious for causing problems on these cars. Sometimes the wires to the fuse become brittle with age and heat. BTW, there are two fuel pumps on a 930.

Cheers
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1986 930 Coupe Silver
1993 968 Coupe Black
2014 Ram 4 x 4 5.7L Hemi Sport
1999 Cobalt 23LS
2001 HD FLSTC (Carb)
Old 10-06-2007, 09:44 AM
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Rory Mckenna's Avatar
 
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Quote:
Originally Posted by Peter Smith View Post
My first posting to Pelican. (Peter Smith From Cape Cod).
P.S. ever notice how when your Porsche is sick it is hard to maintain a good mood? A little short with the wife, a little more tossing and turning at night , a blank far away stare. I used to think of other things when I woke up in the morning...
Yeah, I know just what you mean...... It is strange how some of us allow a piece of metal to have that effect on us. I know I do though. good luck with getting her back to good.
Old 10-06-2007, 01:29 PM
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930s rule the wasteland
 
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Im installing a new clutch and updating to carrera tensioners and could not sleep because I was thinking about all the stuff I had to do to pull the motor and trans.
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1980 930 Turbo
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1983 944
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Old 10-06-2007, 01:54 PM
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Check your overboost switch
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Dean
911 SC turbo, 3.0L 930 motor, G50, 930 brakes, DTA EFI, 352 RWHP DynoDynamic dyno,
Old 10-06-2007, 08:01 PM
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Quote:
Originally Posted by dean View Post
Check your overboost switch
+1
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1988 930 Targa
1991 E36 BMW 318i
2004 Mercedes ML270
Old 10-07-2007, 02:26 AM
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930gt-40r's Avatar
 
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Overboost switch +1, and check for pressure leaks in the manifold (boost leak test)
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86' 930/GT-40R Sold
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2008 C6/Z51 Corvette
Old 10-09-2007, 01:27 PM
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Adrenaline Junkie
 
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For God's sakes, don't cut down your 930 just because of a bad moment. There will be pleeeeeeeenty with good moment once fixed. Don't be so fickle and quick to toss it.
Old 10-09-2007, 02:21 PM
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guys, where is the overboost switch? can anyone provide a pic? dont mean to hijack but i get a similar cut out at 5k plus rpm but only in 3rd gear. 1st and 2nd are fine to redline... ideas?
Old 10-11-2007, 06:54 AM
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A fellow Pelacanite
 
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To the left rear of the stock bypass assembly. It just has 1 wire going to it, usually white.
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG.
Fitting - New service kit.
Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head.

1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods.
Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit.

http://www.danasoft.com/sig/Iamnotanumber.jpg
Old 10-11-2007, 03:15 PM
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