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Throttle Opener Operating Speed

  1. Connect tachometer to engine and warm engine to normal operating temperature. Set engine idle speed to specifications. Turn air conditioner and accessories off. On front-wheel drive models, disconnect engine cooling fan.
  2. Activate throttle opener (air conditioning "ON") and adjust throttle opener speed to specified RPM shown in table by turning throttle opener adjusting screw. See Fig 1.
  3. With throttle opener speed set to specifications, turn air conditioner "OFF" and recheck idle speed. Normal engine idle speed should not be affected when throttle opener is not activated.
Throttle Opener Specifications

  Operating Speed (RPM)
Application Man. Trans. Auto. Trans.
FWD Models
  All Engines 1050-1150 1100-1200
RWD Models
  2600 cc Engine 1000-1100 1000-1100
  All Others 1100-1200 1100-1200
Fig 1: Throttle Opener Adjusting Screw Location
G09310654Courtesy of CHRYSLER GROUP, LLC