SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMAZDA1984626 DX, 2D COUPE, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMEGR SYSTEMCOMPONENT TESTINGDUTY SOLENOID VALVE
1984 Mazda 626 DX, 2D Coupe, Automatic

Duty Solenoid Valve

1984 Mazda 626 DX, 2D Coupe, AutomaticSECTION Duty Solenoid Valve
  1. Remove air cleaner. Disconnect duty solenoid vacuum hose from EGR control valve. Blow through solenoid vent vacuum hose (hose to air cleaner) and make sure air exhausts hose disconnected from EGR valve.
  2. Unplug solenoid valve electrical connector. Apply 12V to Brown/Red wire terminal of connector and hook jumper wire from Black/White terminal to ground as shown in Fig 1 .
  3. Blow air through vent vacuum hose; solenoid valve should now be closed. Disconnect vacuum hose from duty solenoid to intake manifold, at manifold. Blow air through intake manifold vacuum hose; air should not pass through valve.
  4. Apply 12V to Brown/White wire terminal of connector and hook jumper wire from other Black/White terminal to ground as shown in Fig 1 . Blow air through manifold vacuum hose; air should exhaust out vent tube.
Fig 1: Testing Duty Solenoid Valve Duty solenoid is located on firewall behind carburetor.
G41330
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.