Possible causes – Air leakage after turbocharger – Hoses between turbocharger and turbocharger control valve are loose, blocked or damage – Hoses between turbocharger control valve and pressure servo are loose, blocked or damage – Faulty turbocharger control valve – Faulty boos pressure control valve pressure servo – Sticking boost pressure control valve Tech description…
Tag: VOLVO
P0015 VOLVO Variable Valve Timing Control Valve
Possible causes – Dirty Oil– Low engine oil level– Timing belt jumped teeth– Faulty Variable Valve Timing Control Valve When is the obd code mean? The P0015 codes is detected by the Engine Control Module (ECM) when the camshaft pulley is in the locked position. Symptoms – Engine Light ON (or Service Engine Soon Warning…
P0638 VOLVO Throttle Actuator Control Range/Performance
Possible causes – Drive-by-wire control system malfunction– Throttle actuator malfunction– Throttle valve malfunction– PCM malfunction Tech description Dirty or clogged throttle body can triggered the P0638 code. Before replacing any parts try cleaning the throttle body and reset the engine light. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0638 VOLVO OBD…