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Home >> Plymouth >> 1985 >> Colt E, 2D Hatchback >> Repair and Diagnosis >> Engine Performance >> System >> Throttle Opener System >> Adjustments >> Throttle Opener Operating Speed
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Throttle Opener Operating Speed

  1. Turn lights and accessories off. Place transmission in Neutral. Run engine until normal operating temperature is reached. On 1.4L and 1.6L engines, electric fan must be off. Make sure that curb idle is within specifications.
  2. If necessary reset idle speed to specifications. Switch A/C switch to "ON" position. Adjust the engine to specified speed with throttle opener screw. Turn the A/C on and off several times to check for throttle lever operation. See Figure .
THROTTLE OPENER SPECIFICATIONS

Application RPM
Colt
With Turbocharger 850
Without Turbocharger 950
Colt Vista
700-800
With Automatic Transmission 800-900
With Manual Transmission 900-1000
Ram-50
With Automatic Transmission 750-850
With Manual Transmission 700-800