Ignition Timing
NOTE:
Depending on model, Pickup models use EEC-IV or EEC-V system. EEC-IV PCM has 60-pin connector. EEC-V PCM has 104-pin connector. See ENGINE/VIN ID
article for correct application.
Ignition timing on models equipped with EEC-V is not adjustable. Use timing light to check base timing. See BASE IGNITION TIMING table.
BASE IGNITION TIMING
| Application | Degrees BTDC | ||
|---|---|---|---|
| 5.4L | (1) 8-10 | ||
|
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