1981 Mazda B2000 BaseFACTORY OEM SERVICE PROCEDURE

Reed Valve Air Injection: Description

NOTE: All other models use air pump type air injection system. See appropriate article in this section.

This pumpless air induction system injects atmospheric air into the exhaust system to reduce HC emissions. System components consist of a reed valve, catalytic converter and connecting hoses and pipes.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

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

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

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