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Home >> Isuzu >> 1991 >> Stylus S, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - EFI >> Idle Speed & Ignition Timing
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Idle Speed & Ignition Timing

For adjustment procedures, see D - EFI ADJUSTMENTS article in the ENGINE PERFORMANCE Section.

IDLE SPEED SPECIFICATIONS

Application Idle RPM
Impulse (1)
Non-Turbo 850
Turbo 900
Stylus SOHC (1)
A/T 940
M/T 850
Stylus DOHC 850
(1) Transaxle in Park or Neutral.
IGNITION TIMING (Degrees BTDC@RPM)

Application Base Timing
Impulse & Stylus (1) 9-11
(1) With jumper wire installed in ALDL connector, located behind right side of instrument panel. Increase engine speed to 1500-2000 RPM to read timing specification (if necessary).