Vehicle & Technical > Not Anything Listed Above....

Focus engine light.

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marjan:
The engine warning lamp has come on on my Ford Focus after I changed the air filter and forgot to reconnect the wiring back to the airbox sensor. I have reconnected the sensor but the warning light will not go out, is there a way to reset it without paying through the nose at a dealer?.

Terranosaurus:
Usual procedure with many ECU's is to disconnect the battery for anything from 10 min to 24hrs.

marjan:
Cheers Simon but for some reason it has cleared itself today - very strange  :? :? :?

Terranosaurus:
Some of them have limited memory and pure themselves after so many starts I know mine does it after 50 with the nissan management.

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