1992 Mazda 929FACTORY OEM SERVICE PROCEDURE

Idle Speed & Mixture

IDLE SPEED SPECIFICATIONS

Application M/T RPM (1) A/T RPM
B2200
Carbureted 825 825
PFI (2) 750 770
B2600i (2) 750 770
Miata (3) 850 850
MPV
2.6L (2) 750 770
3.0L (2) 800 800
MX-6 (2) 750 750
Navajo (4) (4)
Protege (3) 750 750
323 (3) 750 750
626 (2) 750 750
929 (3) N/A 700
(1) Place automatic transmission in Park.
(2) Connect jumper wire between Green test connector & ground.
(3) Connect jumper wire between terminals TEN and GRN of Green test connector.
(4) Idle speed is not adjustable, however, throttle angle (minimum air rate) can be set using special procedure. See ADJUSTMENTS article in ENGINE PERFORMANCE.
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:

  • 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.