Car stalls while stopped on a hill.

[Sean Lovell]

Hello everyone, recently my 2011 Subaru Forester has been stalling out but only when I am stopped pointing upward on a hill. Does anyone know what this could be? I have tried putting in fuel injector cleaner the past couple fuel ups and so far it hasn’t done much. It also shudders a little bit at start up.

Topic

[Richard Kirshy]

Might start with checking the fuel pressure and monitor it.
Might also try lifting the front end to simulate the condition where it stalls and see if the pressure changes.

[Author]

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