Trooper II 2.8L
- Check ignition timing with engine at normal operating temperature and A/C off (if equipped). Verify no "CHECK ENGINE" light.
- Put Electronic Spark Timing (EST) in bypass mode by disconnecting timing connector. Timing connector is a single wire connector located near in center console in passenger compartment. DO NOT disconnect 4-wire connector at distributor.
- Connect an inductive timing light to No. 1 spark plug wire. Set ignition timing to specification. See IGNITION TIMING
specifications table. Reconnect timing connector and clear ECM trouble codes.CAUTION: Ensure ignition is off when disconnecting or reconnecting power supply to ECM.
- To clear trouble codes, turn ignition off. Remove ECM fuse from fuse block for 30 seconds. Reinstall fuse.
- Trouble codes can also be cleared by disconnecting vehicle battery. However, other memory functions (clock, radio, etc.), will need to be reset.
IGNITION TIMING (Degrees BTDC @ RPM)
| Application | Base Timing | |||
|---|---|---|---|---|
| Amigo & Pickup | ||||
| 2.6L | 12 @ 900 | |||
| I-Mark | ||||
| 1.5L (Turbo) | 15 @ 950 | |||
| 1.6L | 16 @ 900 | |||
| Impulse | 12 @ 900 | |||
| Trooper II | ||||
| 2.6L | 12 @ 900 | |||
| 2.8L | (1) | |||
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