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Curb Idle Speed Check (1.8L)

WARNING: This page is about a different car, the 1994 Plymouth Laser and 1994 Eagle Talon. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure vehicle is at operating temperature, all accessories are off, and transmission is in Park or Neutral. Front wheels must be in straight-ahead position.
  2. Insert paper clip in CRC (Tach) filter connector. See Figure . Ensure connector remains connected. Connect tachometer to inserted clip. Check ignition timing, and adjust if necessary.
  3. Run engine at 2000-3000 RPM for more than 5 seconds. Allow engine to idle for 2 minutes. Check idle speed. See IDLE SPEED SPECIFICATIONS  table. If idle speed is not within specification, diagnose Idle Speed Control (ISC) system. See TESTS W/CODES - 1.8L article and TESTS W/CODES - 2.0L/2.0L TURBO article in the ENGINE PERFORMANCE section.
IDLE SPEED SPECIFICATIONS (RPM)

Application Curb Idle Basic Idle
1.8L 600-800 650-750
2.0L 650-850 700-800
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