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How do you reset the ECU on a 1.6 8v vauxhall astra automatic?

To reset the ECU on a 1.6 8v Vauxhall Astra automatic, follow these steps:

1. Turn off the engine and allow it to cool down completely.

2. Open the bonnet of the car and locate the ECU, which is usually located behind the battery.

3. Disconnect the negative battery terminal.

4. Wait at least 10 minutes, then reconnect the negative battery terminal.

5. Turn on the engine and let it idle for a few minutes.

6. Drive the car for at least 10 miles, varying the speed and RPM range to allow the ECU to relearn the optimal fuel and air mixture settings.

After following these steps, the ECU will be successfully reset.