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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Engine Controls - Adjustments - 3.8L) >> Adjustments >> Ignition Timing

Ignition Timing

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, 1995 Dodge Caravan, and 1995 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Always refer to Emission Control Label in engine compartment before attempting service. If manual and label differ, always use emission label specifications.
CAUTION: DO NOT puncture secondary ignition cables, boots or nipples with test probes.

Timing is controlled by Powertrain Control Module (PCM) and is not adjustable.

IGNITION TIMING

Application (1) Degrees BTDC
3.8L (2)
(1) At idle.
(2) Ignition timing is controlled by PCM and is not adjustable.