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Code 52

yellgt4

By yellgt4,
in Celica Club

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yellgt4 Contributor

yellgt4

Posted
Posted

hey guys need help again. same celica gt4 st205, got management light on again giving a code of 52. have changed the knock sensor but still no different.

the management light only comes on after the engine has warmed up and has been revved above 3000rpm. any ideas. the ecu has just been changed because someone had fitted an mr2 ecu to it. thanks everyone

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compressor mad Collaborator

compressor mad

Posted
Posted

i had that code yesterday on a gt4 in my work

the options were a faultly knock sensor, open or short in the circuit, or an ecu fault

never got to play with it though as the customer only wanted i diagnosis

hope this helps m8

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