In many Renault models (like the Megane II, III, or RS), the ECU may "lock" the A/C system after detecting low pressure once. Even after you refill the gas, the A/C might not work until the code is manually cleared.
| Engine Code | Displacement | Power | Turbo Type | Reliability Score | | :--- | :--- | :--- | :--- | :--- | | | 1.9L | 100 bhp | Fixed Geometry | High (7/10) | | F9Q 750 | 1.9L | 130 bhp | Variable VNT | Medium (5/10) | | F9Q 760 | 1.9L | 150 bhp | Variable VNT | Low (3/10) | | K9K (1.5 dCi) | 1.5L | 85-110 bhp | Variable | Very High (8/10) | renault df1070