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Home >> Merkur >> 1988 >> XR4Ti Standard >> Repair and Diagnosis >> Engine Performance >> Adjustment >> Tune-Up - 4-CYL >> Ignition System >> Ignition Timing

Ignition Timing

  1. Place transmission selector in Park (auto. trans.) or Neutral (man. trans.). Ensure A/C is off. Connect an inductive timing light to No. 1 spark plug wire. Connect an accurate tachometer to engine.
  2. Disconnect single wire Black connector located near distributor. Remove and plug vacuum line to distributor (if equipped). Start engine and warm up to operating temperature. Check and adjust idle speed. See IGNITION TIMING  table.
  3. Aim timing light at crankshaft pulley. Check timing mark notch on pulley against degree scale. If necessary, loosen distributor clamp bolt and adjust timing. Stop engine. Reconnect single wire Black connector and remove test equipment.
IGNITION TIMING (DEGREES BTDC @ RPM)

Application Man. Trans. Auto. Trans.
Tracer 2 @ 850 2 @ 1000
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