The coils receive the signal to fire directly from the ECU. The wire numbers are 850-853. All coils share common positive feed and negative feed. The cam angle sensor is in the housing were the distributor cap would be mounted. You need to ohm the wires from the ECU to each coil. Also be sure you have a good positive and negative feed to each coil. The cam angle sensor might be defective. The ECU could also be defective.
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