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Table 2 - Trouble Code Table: Trouble Code 23 Opel Frontera A

Fuel Injection Systems
TroubleInformation SensorRemedy inTrouble Code Storage when ...
CodeCause of FaultF0:DATA LIST
Test Step
23KNOCK CONTROL41· Engine operating temperature (> 85 °C/185 °)
MODULE; REPLACE· Let engine run at 3500 rpm for longer than 3 s.
ECU
If trouble code 23 is stored, the control unit retards the firing angle
for reasons of safety by 12° CA.

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