Fault diagnosis, fault symptoms

/ 9-5 (9600) / 2002 / 2. Engine / Trionic T7, 4-cyl / Fault diagnosis, fault symptoms

📄 Car will not start.

📄 Idling speed low or irregular

📄 Substantial engine knocking

📄 Power too low.

📄 Poor driveability, deteriorating performance, irregular or hesitant acceleration

📄 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.