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stalls when I turn left
My 79SC starts and runs great but just recently whenever I turn left (even at low speed) it stalls until I straighten the car out. Going straight or right it pulls like crazy and doesn't miss a beat. It feels like its a electrical problem, just as if I turned the key off for a second and then it starts back up, no backfire or popping.
The last work I performed was plugs, rotor and cap. I thought it might be the coil wire pulling out but that is fine. The motor mounts seem solid and the motor doesn't jump around when revving the engine. Any ideas  Tsunamiboy
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Tsunamiboy 1979 911 SC (3.2L) 1997 Boxster 986 |
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06-17-2008, 09:14 PM
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Good job you are not racing NASCAR!!!
I really don't have much more to contribute other than that! Start with the simple stuff, move the wiring harness around with the car running and see if that causes your cut out.
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Bill K. "I started out with nothin and I still got most of it left...." 83 911 SC Guards Red (now gone) And I sold a bunch of parts I hadn't installed yet. |
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06-17-2008, 09:59 PM
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I had the exact same problem on my '70 a few years ago. It turned out to be an electrical intermittent ( small lateral G loading) in the ignition switch. Try a slight jiggling/preloading (lateral, or up-down) the key as you are turning left to see if that affects the problem. That's how my problem was diagnosed.
Al |
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06-18-2008, 03:54 AM
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Do you have a "heavy" key-ring? I've never heard of it related to Porsches, but I do remember a local mechanic (many years ago) eventually diagnosing the same type of problem one of his customers was having, the cutting out was due to the heavy (lots of keys) key-ring and a worn ignition switch causing intermittent elctrical failure of the switch.
Jerry M '78 SC |
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06-18-2008, 07:09 AM
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My very first car, a 1981 Pontiac Phoenix, developed exactly that symptom, but only at 'higher' g-levels (for a 1981 Phoenix at any rate). I could not find the problem. After about 6 or 8 months, it switched to the AC fuse blowing every left turn - much more desireable. I never solved the issue, but the AC stopped working eventually, so I stopped worrying about it ...
Not much help, I know ...
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'88 Coupe Lagoon Green "D'ouh!" "Marge - it takes two to lie. One to lie, and one to listen" "We must not allow a Mineshaft Gap!" |
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06-18-2008, 02:41 PM
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Battery cables tight?
Check for metallic foriegn objects behind/in/near fuse box No backfire / popping may indicate it's a fuel issue (if it was spark the unburnt fuel would ignite when power is restored = bang!)
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1984 3.2 Carrera Impact Bumpers on track: http://www.youtube.com/watch?v=C4qbFNkdD2o |
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06-18-2008, 02:47 PM
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2000 Porsche 996
Porsche 912
1988 Porsche 944 S
1983 Porsche SC
1970 Porsche 911S Targa
1978 Porsche 911 SC 3.0
1988 Porsche 911 3.2
1984 Porsche 911 3.2 Carrera 3.2
