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Home >> Volvo >> 1998 >> V70 T-5, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing
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Idle Speed & Ignition Timing

See IDLE SPEED & CO LEVEL  and IGNITION TIMING tables. Idle speed is not adjustable.

IDLE SPEED & CO LEVEL (1)

Application Idle RPM (2) CO Level
C70, S70 & V70 (3) 850 (3) .2-1.0%
S90 & V90 750 .2-1.0%
(1) Idle speed can only be checked, not adjusted. On C70, S70 & V70, CO level can only be checked. For S80 & V90 CO adjustment, see ADJUSTMENTS .
(2) Measured upstream of catalytic converter with oxygen sensor connected.
(3) With cooling fan on.
IGNITION TIMING (Degrees BTDC @ RPM)

Application Timing
C70, S70 & V70
Non-Turbo 10 @ 800
Turbo 4-8 @ 850
S90 & V90 5 @ 750
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