OneLitreBeater Posted July 15, 2019 Report Share Posted July 15, 2019 I noticed that my Lupo 1.0 is very thirsty and I'm getting bad fuel economy (about 26 mpg (9l/100km)). Is this in any way normal or is something broken? I drive sensibly around the city up to about a maximum of 40mph (about 60-65km/h) using 5th gear at 2000-2500rpm Quote Link to comment Share on other sites More sharing options...
Rich Posted July 16, 2019 Report Share Posted July 16, 2019 That's not normal. Read codes, maybe a green temp sensor and go from there. Quote Link to comment Share on other sites More sharing options...
mk2 Posted July 16, 2019 Report Share Posted July 16, 2019 Yeah, assuming all the basics like air filter is fine, do as @Rich says. Diagnostics, then possibly coolant temp sensor. They all fail at some point. Failed temp sensor makes the ECU think that the engine is always cold, so it's like running around with the choke out. Extra fuel for warm up mode.... Quote Link to comment Share on other sites More sharing options...
OneLitreBeater Posted July 16, 2019 Author Report Share Posted July 16, 2019 Can my engine temp gauge be a symptom of a broken coolant temp sensor? Because sometimes it doesn't move at all even after warm up. At times it does work and shows normal temps Quote Link to comment Share on other sites More sharing options...
Rich Posted July 16, 2019 Report Share Posted July 16, 2019 Go to euro, buy a green temp and swap it over. Sounds quite likely. Quote Link to comment Share on other sites More sharing options...
mk2 Posted July 16, 2019 Report Share Posted July 16, 2019 Yeah, temp sensor... buy a decent branded part, as the chinese copies fail in just over a year. Quote Link to comment Share on other sites More sharing options...
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