1995 Mazda B3000 Base, StandardFACTORY OEM SERVICE PROCEDURE

OBD-II Drive Cycle

NOTE: Perform this procedure only when instructed to do so.
  1. Start and drive vehicle for 6 minutes. Monitor ECT PID. See OBD-II PARAMETER IDENTIFICATION (PID). Drive vehicle until ECT PID reaches 0.6 volts (180°F) or greater. Operate engine at idle for 45 seconds. Accelerate to 45 MPH at 1/4 throttle.
  2. Drive vehicle between 30-40 MPH for one minute at steady throttle, then drive vehicle between 30-45 MPH for 4 minutes. If stop and go conditions occur, accumulated time must be within 20-45 MPH range. No Wide Open Throttle (WOT) conditions should occur.
  3. Decelerate and idle for 10 seconds. Accelerate to 55 MPH at 1/2 throttle. Drive vehicle between 40-60 MPH for 80 seconds at steady throttle. Decelerate and idle. With ignition on (vehicle idling or engine off), check for Continuous Memory codes.
Factory Service Tools

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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.

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