Idle Speed & Ignition Timing

1996 Isuzu Trooper S, AutomaticSECTION Idle Speed & Ignition Timing
WARNING: This page is about a different car, the 1996 Honda Passport. However, it is still accessible from the selected car via links, so may be relevant.

For adjustment procedures, see ADJUSTMENTS - 2.6L 4-CYL article.

IDLE SPEED SPECIFICATIONS (1)(2)

Application RPM
2.6L (3) 900
(1) Transmission or transaxle in Park or Neutral.
(2) Idle speed is controlled by PCM and is not adjustable.
(3) Disconnect fuel pressure regulator Vacuum Switching Valve (VSV). Disconnect and plug canister purge and EGR vacuum lines.
BASE IGNITION TIMING

Application (Degrees BTDC @ RPM)
Passport 2.6L 12Β° @ 900
RENDER: 1.0x

NO RELATED

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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.