P1121 ISUZU – Throttle Position Sensor Circuit Lower Than Expected

P1121 ISUZU Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1121 ISUZU Possible Causes

Faulty Throttle Position Sensor,Throttle Position Sensor harness is open or shorted,Throttle Position Sensor circuit poor electrical connection

P1121 ISUZU Description

Throttle Position Sensor Circuit Lower Than Expected is the generic description for the P1121 Isuzu code, but the manufacturer may have a different description. Currently we have no further information abouth the P1121 Isuzu OBDII code.