1991 Eagle Summit Base, 2D Hatchback, StandardFACTORY OEM SERVICE PROCEDURE

Ignition Timing

  1. Locate ignition timing adjustment connector. See IGNITION TIMING ADJUSTMENT CONNECTOR LOCATIONΒ  table. Connect jumper wire between ignition timing adjustment connector and ground. Check ignition basic timing.
  2. If ignition basic timing is not within specification, loosen distributor (or crank angle sensor on engines with dual coil assembly) and rotate to adjust timing if necessary. See IGNITION TIMING SPECIFICATIONSΒ  table. Disconnect jumper wire from ignition timing adjustment connector.
    IGNITION TIMING SPECIFICATIONS (Degrees BTDC@RPM)

    Application (1) Basic (1)(2) Actual
    1.5L
    Colt, Colt 200 Mirage & Summit 5 @ 650-850 10 @ 650-850
    1.6L Mirage 5 @ 650-850 8 @ 650-850
    1.8L Eclipse 5 @ 600-800 10 @ 600-800
    2.0L
    Colt Vista & Galant (VIN V) 5 @ 600-800 10 @ 600-800
    Eclipse 5 @ 650-850 8 @ 650-850
    Galant
    VIN R 5 @ 650-850 8 @ 650-850
    VIN U 5 @ 650-850 12 @ 650-850
    2.4L Pickup & Ram-50 5 @ 650-850 8 @ 650-850
    3.0L Montero, Pickup, Ram-50 Stealth & 3000GT 5 @ 600-800 15 @ 600-800
    (1) Transmission in Park or Neutral.
    (2) Actual timing may fluctuate.
    IGNITION TIMING ADJUSTMENT CONNECTOR LOCATION

    Application (1)(2) Wire Color Location
    Colt, Colt Vista, Colt 200, Mirage & Summit 1.5L, 1.6L & 2.0L Yellow/Red (3)
    Eclipse
    1.8L & 2.0L (Except Turbo) Yellow/Red (4)
    2.0L Turbo Yellow/Black (4)
    Galant
    2.0L Yellow/Red (5)
    Montero
    3.0L White/Yellow (4)
    Pickup & Ram-50
    2.4L Black/Blue (6)
    3.0L White/Yellow (6)
    Stealth (SOHC)
    3.0L White/Yellow (4)
    Stealth & 3000GT (DOHC)
    3.0L (Non-Turbo) Black/Green (4)
    3.0L (Turbo) White/Yellow (4)
    (1) Remove waterproof female connector (if equipped) for access to wire.
    (2) Ground connector at wire end for basic timing adjustment.
    (3) On main wiring harness, near center of firewall.
    (4) On main wiring harness, near wiper motor on firewall.
    (5) On main wiring harness, near master cylinder on firewall.
    (6) Between right shock tower and firewall.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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