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Porsche
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1989
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928 CS V8-4957cc 5.0L
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Pinpoint Tests
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EZK Test Points (Ignition)
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Test Point 9 - Control Unit (Knock Sensor)
Test Point 9 - Control Unit (Knock Sensor)
TEST POINT 9
-
Control unit
(
knock sensor
) - Fault code 2_33
Possible Causes, Elimination, Remarks
This fault causes the ignition to be retarded by
6°
.
Renew the
control unit
.