Guest Posted August 31, 2022 Share Posted August 31, 2022 My Sunsetter has been smelling gas out the exhaust. Wondering if it is the thermostat being stuck open? Or are there other things that can cause the engine to run rich? Link to comment Share on other sites More sharing options...
Baller chrislandy Posted August 31, 2022 Baller Share Posted August 31, 2022 check the plugs to see if it's one bank / injector / plug thats rich or if it's generally running rich. Could be the coolant temp sensor too. Link to comment Share on other sites More sharing options...
Baller buechsr Posted August 31, 2022 Baller Share Posted August 31, 2022 fuel pressure regulator. Link to comment Share on other sites More sharing options...
Baller_ DW Posted August 31, 2022 Baller_ Share Posted August 31, 2022 Fuel pressure reg is pretty common, add an injector check if regulator comes up good. Injectors may need a cleaning. Is your oil level rising, if yes that is most likely fuel dilution. Link to comment Share on other sites More sharing options...
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