The ignition timing cannot be adjusted. The distributor may need adjusting to prevent crossfire. To insure proper alignment of the distributor, perform the following:

1. With the ignition OFF, install a scan tool to the DLC.
2. Start the engine and bring to normal operating temperature.

Important: Cam retard offset reading will not be accurate below 1,000 RPM

3. Increase engine speed to 1,000 RPM.
4. Monitor the cam retard offset.
5. If the cam retard indicates a value of 0° ± 2°, the distributor is properly adjusted.
6. If the cam retard does not indicate 0° ± 2°, the distributor must be adjusted.

1. With the engine OFF, slightly loosen the distributor hold down bolt.

Important: Cam retard offset reading will not be accurate below 1,000 RPM

2. Start the engine and raise engine speed to 1,000 RPM.
3. Using a scan tool monitor cam retard offset.
4. Rotate the distributor as follows:

4.1.	To compensate for a negative reading, rotate the distributor in the counterclockwise direction.

4.2.	To compensate for a positive reading, rotate the distributor in the clockwise direction.

5. Repeat step 4 until 0° ±2° is obtained.
6. Turn the ignition OFF.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

7. Tighten the distributor hold-down bolt.

Tighten
Tighten the distributor hold-down bolt to 3N·m (25 lb. ft.).

8. Start the engine.
9. Raise the engine speed to 1,000 RPM and recheck camshaft retard offset.