2000 Mazda B2500 SX, StandardFACTORY OEM SERVICE PROCEDURE

Engine Controls Trouble Shooting (3 Of 5)

Select a section or procedure below to view factory instructions:

Evaporative Emission (EVAP) System MalfunctionFuel Level Input (FLI) Circuit MalfunctionVehicle Speed Signal MalfunctionVehicle Speed Sensor (VSS) Signal IntermittentIdle Air Control (IAC) Valve Assembly MalfunctionPowertrain Control Module (Pcm) MalfunctionBrake Pedal Position (BPP) Switch MalfunctionClutch Pedal Position (CPP) Switch MalfunctionOBD II Drive Cycle MalfunctionData Link Connector (DLC) MalfunctionHo2S Heater(S)Heated Oxygen Sensor Ho2S Signals (V6 Only)Fuel System Not Switching At Fuel Trim (Rich Or Lean)Upstream Heated Oxygen Sensor (Ho2S) Not SwitchingDownstream Ho2SAnti-Theft SystemEngine Rpm/Vehicle Speed LimiterMisfire Detection Monitor DisabledDifferential Pressure Feedback EGR (DPFEGR) Sensor MalfunctionEGR Vacuum Regulator (EGRVR) Solenoid Circuit MalfunctionEvaporative Emission (EVAP) Monitor And SystemCanister Vent (CV) Solenoid MalfunctionA/C Clutch Relay (ACCR) MalfunctionA/C Control Signal (ACCS) MalfunctionIdle Air Control (IAC) System MalfunctionPower Steering Pressure (PSP) Switch (2.5L Only) Malfunction4X4 Low (4X4L) Range Malfunction
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.