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4ag on the freeway

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  • 4ag on the freeway

    dunno if anyone can diagnose this over the internet but here goes. when im driving my corolla on the freeway at about 70-80 the engine starts to kinda sputter and it seems like it has less power than before ( less power than a stock 4ag is a terrible thing ) I think i may have a cracked exhaust manifold or maybe a bad gasket there but im not sure if this is what might be causing it. any help is appreciated

  • #2
    im guessin maybe ur getting lean up there and maybe ur fuel pump/fuel filter....somethings failing in the fuel system

    is it only at that speed or at high RPMs.....

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    • #3
      mainly at steady high rpm. sounds like you could be right

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      • #4
        fuel pump? my close buddy has replaced his fuel pump in the two years he's had it. another neighbor has replaced her fuel pump 3 times in the 19 years shes had hers. might want to have a look at that too.

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