BioTriffid Posted March 7, 2019 Report Share Posted March 7, 2019 Hi guys my 1.4 16v lupo has developed a rough idle also the brakes are really weak pedal is almost on the floor before they do anything I've looked for vacuum leaks and and have cleaned the throttle body out with cleaner still have no luck I know the temperature sensor can affect the throttle but it's less than 3 months old any help will be much appreciated thank you Quote Link to comment Share on other sites More sharing options...
Sausage Posted March 7, 2019 Report Share Posted March 7, 2019 Fault codes? is the brake pedal and rough idle linked or separate problems? Quote Link to comment Share on other sites More sharing options...
mk2 Posted March 7, 2019 Report Share Posted March 7, 2019 Brake pedal is fluid. Bleed them. Or maybe master cyl fault. engine is different problem... what are diagnostics saying? Could be anything. Quote Link to comment Share on other sites More sharing options...
Sausage Posted March 7, 2019 Report Share Posted March 7, 2019 I was thinking of the vacuum side of things tbh, but pedal with long travel sounds like hydraulics so a separate issue. Quote Link to comment Share on other sites More sharing options...
BioTriffid Posted March 7, 2019 Author Report Share Posted March 7, 2019 Hi guys I have fixed the problem I don't know how it could affect brakes and throttle but my o2 sensor was reading as earthing out or a shorting out as the wires was corroded and broken also I think the weather may have got to it. The car runs fine now as do the brakes assuming the car wasn't making enough vacuum to assist the brake servo thanks for the advice though much appreciated guys ☺️🤘🏻 Quote Link to comment Share on other sites More sharing options...
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