P1346 – 2002_TOYOTA_ECHO

Code : P1346
Make : 2002_TOYOTA_ECHO
Description : P1346 2002 TOYOTA ECHO Variable Valve Timing Sensor Bank 1 Range/Performance Problem
Possible causes :
– Faulty Variable Valve Timing (VVT) Sensor
– Variable Valve Timing (VVT) Sensor harness is open or shorted
– Variable Valve Timing (VVT) Sensor circuit poor electrical connection
– Engine Control Module (ECM)
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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