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Low Idle Speed

WARNING: This page is about a different car, the 1995 Dodge Pickup and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Warm engine to normal operating temperature. Ensure throttle lever stop contacts low idle speed adjusting screw with accelerator pedal in idle position. See Fig 1 .
  2. Using optical tachometer, check engine idle speed with A/C on and with transmission in Drive (A/T models) or Neutral (M/T models). Ensure engine idle speed is within specification. See ENGINE IDLE SPEED SPECIFICATIONS  table.
    ENGINE IDLE SPEED SPECIFICATIONS (1)

    Application Engine Idle Speed
    A/T (2)(3) 750-800 RPM
    M/T (2)(4) 780 RPM
    (1) Engine idle speed is stamped on engine data plate. If engine data plate specification varies from specification listed, use engine data plate specification.
    (2) Check with engine at normal operating temperature.
    (3) Check with A/C on and with transmission in Drive.
    (4) Check with A/C on and transmission in Neutral.
  3. If engine idle speed is not within specification, loosen lock nut on low idle speed adjusting screw. See Fig 1 . Rotate low idle speed adjusting screw to obtain correct engine idle speed. Tighten lock nut. Recheck engine idle speed.
Fig 1: Throttle Lever Stop & Low Idle Speed Adjusting Screw ID
G94A65409Courtesy of CHRYSLER CORP.