What Does Code P0442 Mean? Engine code P0442 means a small leakage in the evaporative emission control system. It is not a critical problem, but it could be annoying and cause something more serious. We recommend addressing it as soon as possible to avoid further problems. ...
When the Check Engine Light comes on without any other major symptoms, you may wonder what is going on. In some cases, you may see the P0456 code, which commonly occurs without any performance problems. What does the P0456 DTC mean, and what can be done about it?
Most often, the message reveals that the gas cap is loose or damaged. It can also mean that you filled up the fuel tank while the engine was running, that there’s an EVAP leak or the car has a bad EVAP purge control valve. Otherwise, the EVAP lines may be clogged or there could ...