FixVault

Base Idle Speed

Base idle speed is not adjustable. If base idle speed is suspected of being out of specification, verify throttle cable adjustment. See CABLE ADJUSTMENT in ON-VEHICLE ADJUSTMENTS article. If throttle cable adjustment is okay, see appropriate SELF-DIAGNOSTICS ARTICLE. For computer controlled idle speed specifications, see IDLE SPEED SPECIFICATIONS  table.

IDLE SPEED SPECIFICATIONS

Application Specification
Idle Speed (1)
Discovery 610-710 RPM
Freelander 650-800 RPM
Range Rover 660 RPM
(1) Idle speed is controlled by ECM. Specification is in Neutral with accessories off.