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Home >> Volvo >> 1995 >> 940 Base, 4D Wagon, AW71L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - Turbo >> Idle Speed & Ignition Timing
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Idle Speed & Ignition Timing

NOTE: Idle speed and ignition timing are not adjustable. See the IDLE SPEED & CO LEVEL and IGNITION TIMING tables for specifications. For idle mixture adjustment procedures, see the ADJUSTMENTS - TURBO article.
IDLE SPEED & CO LEVEL (1)

Application Idle RPM (2) CO Level
Turbo 750 0.6%
(1) Idle speed/CO level can only be checked, not adjusted.
(2) Measured upstream of catalytic converter with oxygen sensor connected.
IGNITION TIMING (Degrees BTDC @ RPM)

Application (1) Timing
Turbo 12 @ 750
(1) Ignition timing computer-controlled. Not adjustable.
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