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Tune-Up - V6: Adjustments: Distributor

The 3.0L MFI (VIN L) and 3.8L SFI (VIN B, 3 & 7) engines are equipped with C(3)I ignition. The system uses a 3-coil module with crankshaft and camshaft sensors in place of a distributor. All other models are equipped with High Energy Ignition (HEI) system with Electronic Spark Timing (EST).

FIRING ORDER

Application Firing Order
2.8L 1-2-3-4-5-6
3.8L (VIN A) 1-6-5-4-3-2
3.0L MFI 1&4-2&5-3&6
3.8L SFI 1&4-2&5-3&6
4.3L TBI 1-6-5-4-3-2
Fig 1: 2.8L Firing Order & Timing Marks
G3894
Fig 2: 3.8L (VIN A) Firing Order & Timing Marks
G2288
Fig 3: 3.0L MFI & 3.8L SFI Firing Order
G5664
Fig 4: 4.3L TBI Firing Order & Timing Marks
G3897