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Home >> Mazda >> 1983 >> B2000 Sundowner >> Repair and Diagnosis >> Engine Performance >> System >> EGR Function Testing >> Component Testing >> EGR Solenoid Valve >> Calif. Models
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Calif. Models

  1. The EGR solenoid valve is located next to the vacuum amplifier. Disconnect EGR solenoid valve-to-water thermo valve vacuum tube from solenoid valve and connect an additional piece of tubing.
  2. Disconnect vacuum amplifier-to-solenoid valve vacuum tube from solenoid valve. Disconnect electrical connector from solenoid valve.
  3. Blow through additional tube connected in step 1). Air should pass through valve and escape at amplifier-to-solenoid valve port. Connect battery power to solenoid valve terminals and blow through hose again.
  4. Air should pass through valve and escape through solenoid valve air filter. If valve does not respond as outlined, replace EGR solenoid valve.
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