- Do not start the engine if the battery is not connected securely.
- Do not use a quick charger to start the engine.
- Never disconnect the battery from the on-board network while the engine is running.
- When fast charging, disconnect the battery from the on-board network.
- Before checking the injection system, make sure that the ignition system is working properly.
- At temperatures above +80°C remove the control unit.
- Ensure the correct connection of the connectors.
- Do not disconnect or connect the plug of the control unit with the ignition on.
- When checking compression and to reduce fuel pressure, turn off the power supply to the fuel pump, disconnect the plug. The plug is under the rear seat. Remove rear seat, see chapter Body, car painting, car care.