Fault codes relating to Lambda sensors - Alfa Romeo Forum
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Fault codes relating to Lambda sensors

I have the following error codes consistently coming up with my 2001 GTV 3.0 litre even after clearing the fault codes:
The car runs well and apart from the light constantly coming back with the same faults you would not know anything is wrong. It seems at least the first 3 relate to a Lambda sensor issue. Are there 4 sensors, two for each bank? Where exactly are thjey located and what are the part numbers? Is it advisable to change them all?
The last one does not appear to be a Lambda fault code.
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Start with cleaning the ecu connectors and afterwords make shure they are firmly connected and if there is a connector on the throttle house do the same and eventualy fix it with a strap.
Lambda errors often apears when having a small misfire and fuel going in to the catalysator
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