I put e85 in my dad's 2003 Subaru Baja, please help..

Asked by Feb 15, 2019 at 10:43 PM about the 2003 Subaru Baja

Question type: Maintenance & Repair

my dad has been letting me borrow his car and I
did not know that I wasn't allowed to put e85 in the
car I was putting e85 in it for over two weeks
before I noticed the change and the malfunctions..
it's been over a month now of me putting the
correct gas in but recently the car is having trouble
shifting into next gear when I need to accelerate or
when I'm going up a hill but doesn't want to move
into that next gear could this be due to the e85 or
is this a completely different issue?  it reminds me
of The Little engine That could just trying to chug
chug chug along.

2 Answers


Check the codes and see if there are any transmission malfunctions listed, if not then try changing the fuel filter and add a bottle of Techron to the fuel and see if that helps. You may want to check the transmission fluid level and color, if it’s dark then have it serviced very soon.


I don't think the transmission issues are related. Is the engine running normally? Full power?

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