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Join Date: Aug 2024
Posts: 3
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996 won't start
Symptoms:
Car (996 C4 tiptronic) won't start, However when connecting a simple OBD reader it starts. Keys can lock and unlock the car, dashboard light etc works fine even without OBD connected. Fuses under steering wheel ok. Brake switch ok. Anyone that have had the same issue or have some ideas where to start troubleshooting? Thx |
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09-09-2024, 12:02 PM
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Thats quite bizzarro. My initial thought was an immobilizer, but that still doesnt make sense.
What symptoms did you have before this?
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Simon Too many projects & a daily TDI: -1966 Lotus Elan FHC (wasnt supposed to be a project) -1969 Porsche 912-6 (not a project, yet) -1986 325es with a 10:1 2.7L M20 (trying hard not to be a project) |
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09-17-2024, 06:56 AM
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Join Date: Jan 2008
Location: NJ
Posts: 1,186
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Maybe this is obvious but did you try with gear lever in neutral? Park switch may be worn?
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2013 991.1 Carrera S Cab 2004 996 Turbo CAB X50 sold 2003 996 cab 6 speed Sold 1972 RS 3.2 twin plug short stroke crank fire, roll bar, sold DE instructor since 1985 |
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09-20-2024, 11:49 AM
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Join Date: Dec 2002
Location: Dahlonega , Georgia
Posts: 16,103
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Has the ignition switch ever been replaced ?
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2002 Boxster S . Arctic silver + black top/int. Jake Raby 3.6 SS engine " the beast ". GT3 front bumper, GT3 side skirts and GT3 TEK rear diffuser. 1999 996 C4 coupe black/grey with FSI 3.8 engine . Rear diffuser , front spoiler lip with ducktail spoiler . |
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09-21-2024, 02:02 PM
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Join Date: Jan 2000
Location: San Francisco, CA / New York, NY
Posts: 12
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Have you tried checking the park/neutral switch? It could be something simple like that. I've seen similar issues before where shifting to neutral got things working again.
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1976 911S Targa |
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09-21-2024, 11:52 PM
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Join Date: Aug 2024
Posts: 3
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Hi,
Ignition switch changed no difference,. No difference if gearbox is neutral or park. Assume OBD reader grounds something?? Thx |
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10-09-2024, 01:39 PM
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