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Fouled Spark plug after fuel injector replacement

Home Forums Stay Dirty Lounge Service and Repair Questions Answered Here Fouled Spark plug after fuel injector replacement

This topic contains 3 replies, has 2 voices, and was last updated by college man college man 1 year, 1 month ago.

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  • #894326
    Robert Miltenberger
    Robert Miltenberger
    Participant

    I replaced my fuel injectors about three weeks ago. The car used to struggle to start – idle very rough – the smell of gas – and I would have to WOT it to start it in between short use 20 minutes to a store in store for 20 minutes – if it sits for 8 hours while in work its start quickly. I still, maybe once a week I’ll have a bit of trouble starting it – but two or three attempts it will idle rough and then keep running. I went away for a week – tried to start it and could not – pulled spark plugs – they were wet and glazed over the color of gas – once I replaced the plugs car started immediately. I’m concerned this is going to happen again in a matter of days or weeks – the car is becoming my daughters to drive to college 30 min each way – I don’t want her having any trouble. Any ideas why this may be happening once and a while? Some component of the fuel injection system? Something else? Please advise.

    Thanks,

    Milty

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  • #894328
    college man
    college man
    Moderator

    It sounds like the injectors were clogged up and not spraying with atomization which will cause what you were experiencing.
    couple of options.#1 Take it to a shop and have them do an injector cleaning which will also clean up the valves and combustion
    chamber.#2 Run your fuel tank to 1/2 or a little lower and try a fuel system cleaner which i would double dose. Then drive the car
    hard on the highway Putting your foot into it and look for black smoke. You could also do a top end cleaning with a cleaner of your choice.
    I would recommend the in tank and top end cleaning for sure.

    #894329
    Robert Miltenberger
    Robert Miltenberger
    Participant

    Thanks for the info. I will get those things done.

    Milty

    #894331
    college man
    college man
    Moderator

    sounds good. keep us posted on your progress.

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