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Engine management light


Tim wells
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Hi there I av a corolla estate I’ve had new o2 sensors and a new cat and still the man agent light still come on any ideas 

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Have you erased the codes from the ecu? Just a thought.

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Hi,

More to the point, what are the current and any previous error codes, assume you or a garage have read them out ?

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15 minutes ago, oldcodger said:

Hi,

More to the point, what are the current and any previous error codes, assume you or a garage have read them out ?

I did think that, but I assumed rightly or wrongly the op had got the codes read because of the new parts fitted. And perhaps didn't erase the codes after replacing the parts.

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Disconnect the Battery for 5 mins and see if they come back when reconnected. If so, the fault is there still. Resetting the codes may only be temporary, but getting a specific code thereafter will help diagnose the actual problem.

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