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Fault diagnosis, fault symptoms

📄 Poor driveability, deteriorating performance, irregular or hesitant acceleration

📄 Idling speed low or irregular

📄 Car will not start.

📄 Sudden loss of performance in Aero cars driving at high speed.

📄 Substantial engine knocking

📄 Power too low.

📄 Engine speed does not go down

📄 Cruise control not working.

📄 Low engine power output / little movement on the turbo pressure gauge and rattling from the turbocharger.