tommyn1991 Posted January 25, 2015 Posted January 25, 2015 My engine management light comes on if I cruise at a steady speed in top gear for a prelonged period of time, probably around the 60mph mark, if I turn it off and on it goes away again, if I'm just going around town it's fine, if I thrash around its fine. just when cruising, anybody heard of or had anything like this before? Quote
jayc-glanza17 Posted January 25, 2015 Posted January 25, 2015 (edited) Yes mate.I had speed signal failure only happens If ecu doesn't read signal above certain rpms for a period of time.Also do a diagnostic check and see what fault code flashes up Edited January 25, 2015 by jayc-glanza17 Quote
tommyn1991 Posted January 25, 2015 Author Posted January 25, 2015 Sorry for being ignorant but what do you mean when you say speed signal failure? Quote
jayc-glanza17 Posted January 25, 2015 Posted January 25, 2015 Signal ecu reads for speed.Ie the speedo is mechanical.The ecu takes an electric reading for its own needs Quote
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