In the event of a malfunction of the knock sensor, a special safety controller circuit is activated, which shifts the ignition timing in the direction of delay. If the controller malfunctions, the ignition and injection timing is controlled according to the values included in the self-diagnosis program.
Initial ignition timing up to TDC: 18-22°.
Distributor
The ignition distributor with a spark torque sensor is designed only for distributing high voltage current to the spark plugs.
Brand and catalog number of the ignition distributor: Bosch 0 237 521 015.
No. of the distributor cap according to the Opel catalog: 90 29/436.
Brand and catalog number of the distributor rotor: Bosch 1 234 332 350.
Make and catalog number of the antiknock system sensor: Bosch 0 261 231 006.
Make and catalog number of the protective screen device: Bosch 1 230 500 228.
Ignition coil
The ignition coil is sealed.
Brand and catalog number: Bosch 0 221 600 057.
Spark plug
Brand and type: Bosch FR 7 DC.
Gap between electrodes, mm: 0.7-0.8.
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