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Home >> Saab >> 1980 >> 99 Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Tune-Up - 4 CYL >> Ignition Timing

Ignition Timing

  1. Connect tachometer and timing light. Disconnect vacuum hose and place transmission in neutral position. Check timing at 2000 RPM.
  2. If not within specifications, loosen distributor retaining screw and rotate distributor housing. Turn clockwise for earlier ignition; counterclockwise for later.
  3. Reconnect vacuum hose and adjust engine idle speed.
Ignition Timing Specifications

Application RPM Timing
All Models 2000 20° BTDC
Fig 1: Saab Timing Mark Location
G09351095Courtesy of SAAB-SCANIA OF AMERICA, INC.
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