What Does P0587 Mean? The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate. When you see P0587 engine fault code on your engine code reader this description will help you. engine code P0587P0587 fixobd P0587dtc P0587obd code P0587obd2 P0587P0587 car codediagnostic code P0587car code P0587check engine code P0587fehlercode P0587P0587 fiatcodigo P0587codigo falla P0587P0587 kody b??dówcodigo de falla P0587 What are the common causes of P0587 ? An air leak forward of the DPF will change the sensor readings resulting in the code Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks. Fuel with a large percentage of sulfur will clog the DPF quickly How do you troubleshoot P0587 ? The most common repairs for the P0587 trouble code are: Replacement of the vent control solenoid Replacement of the wires in the cruise control system Replacement of the connectors in the cruise control system Replacement of the fuses in the cruise control system Searches related to P0587 Code - Cruise Control Vent Control Circuit Low P0587 P0588