Question about 1997 Subaru Legacy

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Acceleration issue I get the issue where if i were to stomp on the gas it just refuses to go past ~3k rpm. It doesnt always have that problem but it's getting increasingly more annoying. Replaced the O2 sensor and there's a leak in my exhaust seal on the farmost rear one (the last one before the end of the exhaust...the one with the spring screws) but I dont think that would cause the problem...would it? Oh and I also swapped out the intake with a different one hoping it would fix it. I replaced the tranny filter and fluid.

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  • tito_with_sp Jun 03, 2009

    Checked the codes with a taskmaster and the only code that comes up is one about the knock sensor...doesnt say if it's bad it just comes up. It also told us that the 02 sensor was bad which is why we replaced it. This whole engine was replaced just within the last month due to some airhead using it to dragrace and blew the heads.

  • tito_with_sp Jun 03, 2009

    I have not replaced the fuel filter due to us thinking it was the transmission. We thought that since it automatically shifts at 3k rpm (automatic of course) we thought it was a tranny issue. I can try a fuel filter swap but if that was bad would it still work some days and not work others?

  • tito_with_sp Jun 03, 2009

    Also if it helps...a friend of mine suggested I check the transmission shift sensor and try and get that replaced...what do u think?

  • yadayada
    yadayada May 11, 2010

    has the fuel filter been replaced? what is the fuel pressure? any trouble codes stored in memeory?

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Do you have any engine codes? It may be throttle position senso. It may also be good idea to buy new fuel filter.
Also you may want to get a multi-meter and check your fuel pump relay.
If you have a tester, you should also check fuel pressure.
If you have a check engine light on, you should have the codes read because it will pinpoint exact problem

Posted on Jun 03, 2009

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