Dashpot Control System: Turbo
- Start engine and warm engine to normal operating temperature. Ensure idle speed is within specification. See IDLE SPEED & MIXTURE in appropriate ADJUSTMENTS
article. Shut engine off.
- Disconnect control cables from throttle body. Dashpot is located on throttle body, near throttle cables. See Fig 1.
- Start engine. With engine idling, rotate throttle linkage on throttle body until dashpot adjusting screw starts to separate from rod on dashpot. See Fig 1. Note engine speed at this position.
- Engine speed should be 2100-2700 RPM. If engine speed is not as specified, rotate dashpot adjusting screw until specified engine speed is obtained.
- To check throttle body Vacuum Transmitting Valve (VTV) operation, operate engine at 3500 RPM. Release throttle. Ensure engine returns to proper idle speed in a few seconds. Reconnect control cables at throttle body.
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