Idle Speed & Mixture

NOTE: Idle mixture is not adjustable. If idle mixture is incorrect, see appropriate TESTS W/CODES article.

IDLE SPEED SPECIFICATIONS

Application

M/T RPM

⁽¹⁾ A/T RPM

B4000 ⁽²⁾

750

825

⁽¹⁾	Place automatic transmission in Park.

⁽²⁾	Idle speed is preset and is not adjustable.