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Home >> Ford >> 1985 >> E 250 Van V8-302 5.0L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Idle Speed >> Adjustments >> Curb Idle Speed

Curb Idle Speed





CURB IDLE SPEED ADJUSTMENT
- Place the transmission in Neutral (manual) or Park (automatic). Set parking brake and block wheels.
- Bring engine to normal operating temperature (upper radiator hose hot).
- Disconnect the electric connector on the evaporative cannister purge solenoid.
- Disconnect and plug the vacuum hose to the Vacuum Operated Throttle Modulator (VOTM) kicker.
- Place the transmission in "DRIVE" position.
- Loosen the Throttle Solenoid Positioner (TSP) dashpot mounting bracket hold-down screw.
- Check curb idle rpm. Adjust to specification. Specifications
- Place the transmission in Neutral (manual) or Park (automatic). Rev the engine momentarily. Place the transmission in specified position, and recheck curb idle rpm. Readjust if required.
- Retighten the TSP dashpot mounting bracket hold-down screw.
- Remove the plug from the vacuum hose to the VOTM kicker and reconnect.
- Reconnect the electric connector on the evaporative cannister purge solenoid.