DTC Troubleshooting: P1684 (2.0L Engine): Notes
DTC P1684 : Throttle Valve Return Spring Performance Problem WARNING:
Do not insert your fingers into the installed throttle body when you turn the vehicle to the ON mode, or while the vehicle is in ON mode. If you do, you will seriously injure your fingers if the throttle valve is activated.
NOTICE:
Before you troubleshoot, review the How to Troubleshoot - Refer to: How to Troubleshoot the Fuel and Emissions Systems (2.0L Engine) or How to Troubleshoot the Fuel and Emissions Systems (3.0L Engine) .