Base Ignition Timing Check

1. Turn the ignition key OFF.
2. Place the transmission in PARK (A/T) or NEUTRAL (M/T).
3. Turn OFF all electrical loads (A/C, heater, radio, lights, etc.).
4. Disconnect the SPOUT/SAW connector.
5. START the engine using the ignition switch.
NOTE: If engine starts then stalls go to pinpoint test S1.
6. Using an inductive timing light, check ignition timing.
a. If the timing is within ±2 degrees of specifications, continue with Computed Timing Check. Computed Timing Check
b. If the timing is not within ±2 degrees of specifications, adjust ignition timing (TFI Systems) or refer to IGNITION SYSTEMS for possible causes of improper timing (DIS/EDIS).