Boost pressure needs to be assessed alongside airflow, fuelling, charge temperature, turbo control and drivetrain limits. A higher pressure reading does not guarantee more useful power.

Boost spikes, surging, smoke, limp mode or power falling away at high rpm need investigation. Possible next steps include fault-code checks, leak testing and logging requested against actual boost under load. Mechanical wear or an air-path fault may need repairing before the calibration is changed.

For a modified car, review the turbo's operating range, fuel supply and temperature behaviour together. The setup should reflect its intended use, including the load and duration of operation.

Our workshop is at Llandow near Cowbridge and Llantwit Major, serving customers travelling from Pyle, Bridgend and elsewhere in South Wales. Bring the symptoms, modifications and repair history. The free initial scan and assessment provides a printout and advice where communication is possible; further diagnostic time, dismantling, parts and repairs are agreed separately.

References and related pages