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P1191 HYUNDAI - Electronic Throttle System Limp Home Valve On

Possible causes
- Faulty Electronic Throttle System (ETS) Motor
- Faulty Electronic Throttle System (ETS)
- Electronic Throttle System(ETS)unit
- Electronic Throttle System(ETS) harness is open or shorted
- Electronic Throttle System(ETS) circuit poor electrical connection
What does this mean? What does this mean?
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine Limp Mode Fail-Safe Mode)
P1191 Hyundai Description

The Electronic Throttle System (ETS) consists of ETS unit, ETS-motor, Accelerator Position Sensor (APS),Throttle Position Sensor (TPS) and Limp home valve.

Among above-mentioned parts, Limp home valve is attached under the throttle body and helps air to flow from the outside through this valve to the engine combustion chamber to prevent the vehicle from engine stall when Powertrain Control Module (PCM) detects ETS system malfunction.

Electronic Throttle System (ETS) 2004 Hyundai Santa Fe

OBDII Code P1191 Hyundai - Electronic Throttle System Limp Home Valve On -
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