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Code 89 in a Mokka...
Code 89,Vauxhall mokka 2014 1.7 diesel, Have changed the 02 sensor twice, the fuel rail had the diesel pump checked and the injectors both are fine but code 89 won't go away engine is in permanent limp mode.
Our answer:
Hi Dave,
We've had quite a few people ask about this and our only information is that Error P0089 means a performance problem caused by the fuel pressure regulator.
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