Renault 148e22 !!link!! ✧
By the late 90s, plastics were not as resistant as they are today. The engine bay wiring harness can become brittle. Look for electrical gremlins: intermittent wipers, failing dash lights, or erratic fuel gauges.
Exhaust gases are full of soot. The metal pipe leading up to the pressure sensor can become completely choked with carbon deposits. Due to its narrow and complex shape, it restricts airflow, resulting in static or incorrect pressure readings sent to the ECU. 3. Faulty Boost Control Solenoid Valve (Pierburg Valve) renault 148e22