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90 Honda Civic 2.5L 5 Speed

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This topic contains 4 replies, has 2 voices, and was last updated by William McCafferty William McCafferty 9 months, 1 week ago.

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  • #992704
    William McCafferty
    William McCafferty
    Participant

    Parts replaced on this car are numerous, but the only three I can see contributing to this are the thermostat (defective), front transaxle mount (broken), and the oxygen sensor. The vehicle ran much better after.
    Problem now is, I drive it any real distance, I shut it off, and on restart it shudders hard like a random misfire, until I get to about 2K RPM. Noticed today, that it would pop the intake occasionally, which leads me to believe timing to be the fault.
    As I have NO idea of when it was last replaced, and the car has 256,000 miles on it, I ordered a complete timing belt kit off RockAuto.

    Thoughts? Anyone else experienced this symptoms?

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  • #992707
    William McCafferty
    William McCafferty
    Participant

    Correction, 1.5L…

    #992729
    C
    C
    Participant

    If its backfiring through the intake, that could possibly be due to the oxygen sensor you mentioned being bad. If its bad, I would change it anyway. About the stalling out issue, check the main relay. These plagued early 90’s Hondas commonly. The solder joints get little cracks in them and will cause the fuel pump to stop working momentarily.

    • This reply was modified 9 months, 3 weeks ago by C C.
    #992814
    William McCafferty
    William McCafferty
    Participant

    It isn’t. On further diagnosis, it a leaking fuel injector.
    D15B1/2, can I replace them without disassembling the entire top of the intake?

    #992846
    William McCafferty
    William McCafferty
    Participant

    Anybody? DPFI is a new one for me. I know I can convert this to MPFI, but that’ll be down the road a piece if.

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