Anthony Bernard Posted February 6, 2019 Share Posted February 6, 2019 I have a 1999 Impreza 1.6 wagon. I am having a problem where the vehicle will run for short periods and then shut down. If you try to restart immediately it will not restart however if you put it down for a while and try restarting it after some hours it restarts and runs for a short while before shutting down again. Initially the run period would be for a day or two. Now its is for very short periods, sometimes less than an hour. The vehicle is a standard street version with no modifications at all. I recently replaced a knock sensor. I have had it on the diagnostic machine but no issues show-up. Has anyone experienced this problem and what are the possible solutions.. Quote Link to comment Share on other sites More sharing options...
WideSam Posted February 6, 2019 Share Posted February 6, 2019 I’d be inclined to to look at your fuel pump or pump relay. Turn your ignition on, make sure you can hear the fuel pump priming to start with, it’ll make a slight electronic whirring sound (if that makes sense) from somewhere around your back seat. Quote Link to comment Share on other sites More sharing options...
Anthony Bernard Posted February 6, 2019 Author Share Posted February 6, 2019 3 minutes ago, WideSam said: I’d be inclined to to look at your fuel pump or pump relay. Turn your ignition on, make sure you can hear the fuel pump priming to start with, it’ll make a slight electronic whirring sound (if that makes sense) from somewhere around your back seat. Thanks Sam but I have checked the fuel system already and that is working fine. Quote Link to comment Share on other sites More sharing options...
mattiekane Posted February 6, 2019 Share Posted February 6, 2019 Fuel filter, possibly collapsingLoud pipes save lives Quote Link to comment Share on other sites More sharing options...
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