Sandyloveskebab Posted February 4, 2017 Report Share Posted February 4, 2017 (edited) Hi guys Been having an issue with the lupo the last few times ive done long drives. When I'm on the motorway cruising the car seems to decide to stop accelerating and its like full throttle isnt even enough to sustain speed it kind of stutters a bit as it slows down Today I was on the motorway and it was like the thing was dying the way a remote control car goes when the batteries run out? Pulled over and left it for 5 minutes and then it was good enough to get home Ive seen people say its something to do with the brake sensor not working correctly so the throttle won't work and others say its due to timing belt stretch so the engine management goes into a "limp mode" to protect the engine? I was wondering if anyone more experienced than me would know what could be going on? Thanks Edited February 4, 2017 by Sandyloveskebab Improved details Quote Link to comment Share on other sites More sharing options...
Sandyloveskebab Posted February 4, 2017 Author Report Share Posted February 4, 2017 Also I recently changed the oil and oil filter as well as cleaning the throttle body but it seems this issue has persisted. It also only seems to happen on drives over 30 minutes if that helps shed any more light. Quote Link to comment Share on other sites More sharing options...
Rich Posted February 4, 2017 Report Share Posted February 4, 2017 not brake sensor. not stretch, engine can't detect this. I'm going to suggest green temp sensor. hence why it works when cold. Quote Link to comment Share on other sites More sharing options...
mk2 Posted February 4, 2017 Report Share Posted February 4, 2017 Fuel flow? Filter? Pump? Air leak in fuel pipe? Blocked gauze? Kinda sounds like its running out of fuel, or leaning out. Curious to know what it was when you find it! Quote Link to comment Share on other sites More sharing options...
mevans939 Posted February 7, 2017 Report Share Posted February 7, 2017 I get this when I run the reserve tank too long. Change your fuel filter as it sounds like it's not flowing enough Quote Link to comment Share on other sites More sharing options...
cj1 Posted February 8, 2017 Report Share Posted February 8, 2017 11 hours ago, mevans939 said: I get this when I run the reserve tank too long. Change your fuel filter as it sounds like it's not flowing enough Or put a fuel pressure gauge on the flow to the engine and let us know what the pressure is. Quote Link to comment Share on other sites More sharing options...
Sausage Posted February 8, 2017 Report Share Posted February 8, 2017 What engine is it? Quote Link to comment Share on other sites More sharing options...
Sandyloveskebab Posted March 9, 2017 Author Report Share Posted March 9, 2017 Just to update this thread I changed my spark plugs and air filter and the old ones looked like they hadn't been done in quite a while but it managed a 2 hot drive to Glencoe at the weekend there with no problems so I'm fairly sure thats sorted the issue Quote Link to comment Share on other sites More sharing options...
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