Miss fire monitor disabled, unable to learn trigger wheel profile.
Probably means the cam sensor is bad or intermittent, look for bad or loose connection, faulty sensor.
i thing is DPF blocked Code means that the particle filter is blocked. After chaning the DPF this code will remain until the sensors are put back to zero or replaced if defective due to prelonged driving with blocked DPF.
Code P1431 on a 2006 Suzuki Vitara typically indicates an issue with the evaporative emission control system, specifically related to the purge flow. It suggests that the engine control module (ECM) has detected a problem with the purge valve or the related vacuum lines. This could result in increased emissions and potential issues with fuel efficiency. It's advisable to inspect the purge valve and associated components for any damage or blockages.