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911 3.2 has a electrical problem

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Old 01-02-2016, 09:37 AM
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Josep911h
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Unhappy 911 3.2 has a electrical problem

.2 1988 targa interruptions Who can help me?


After 17 years of driving without problems, I suddenly had problems on the motorway, the car was shaking and after 2 days it stopped. After ultrasone cleaning of the injectors, the problem was not completely over. We checked:
ground cable, fuses, sensors, replaced temporarily battery, dme, dme relais, airweigher and fuelpump. Replaced dynamo, fuelpressureregulator.


What we didn't do yet is replacement of ignitionswitch and 18 years old afteralarm.


Any idea's what the problem could be?
Old 01-02-2016, 02:29 PM
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gerry100
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Not sure if this is relievant but my '86 had a rough running problem after a top end rebuild.

Turns out one of the injector leads was faulty.

( I doubt its the ignition switch)
Old 01-02-2016, 02:37 PM
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EdwardB
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Originally Posted by Josep911h
.2 1988 targa interruptions Who can help me?


After 17 years of driving without problems, I suddenly had problems on the motorway, the car was shaking and after 2 days it stopped. After ultrasone cleaning of the injectors, the problem was not completely over. We checked:
ground cable, fuses, sensors, replaced temporarily battery, dme, dme relais, airweigher and fuelpump. Replaced dynamo, fuelpressureregulator.


What we didn't do yet is replacement of ignitionswitch and 18 years old afteralarm.


Any idea's what the problem could be?
Have you ever changed the ignition wires? My 87 stumbled under acceleration (especially after a rainfall). Replaced the 27 year old wires and problem solved.

Ed
1987 Carrera
2012C4 GTS
Old 01-02-2016, 06:41 PM
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porsche2fst4u
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I'm going through a similar issue. You can read my thread titled, "Help! Replaced air filter - Won't start" It turns out it was due to a bad CHT sensor.

Read the below Pelican article to see this is a common issue.

http://www.pelicanparts.com/techarti...emp_sensor.htm
Old 01-03-2016, 01:57 PM
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gerry100
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Originally Posted by porsche2fst4u
I'm going through a similar issue. You can read my thread titled, "Help! Replaced air filter - Won't start" It turns out it was due to a bad CHT sensor.

Read the below Pelican article to see this is a common issue.

http://www.pelicanparts.com/techarti...emp_sensor.htm
Yup.



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