When to add a fuel injector cleaner?

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Thread: When to add a fuel injector cleaner?

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    Default When to add a fuel injector cleaner?

    Just wanted to know when is the best time to add such a product? (ie right before or after an oil change, halfway through tank, right as tank is full, etc) fyi: I have around 67,000 miles and have never done this before. I probably will clean the tb soon too.
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    Quote Originally Posted by PagalDesi4Life
    Just wanted to know when is the best time to add such a product? (ie right before or after an oil change, halfway through tank, right as tank is full, etc) fyi: I have around 67,000 miles and have never done this before. I probably will clean the tb soon too.
    I add a bottle every 3000 miles when I fill up...
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    A friend of mine (an engine builder) told me that mixing fuel injector cleaner into a full tank right before an oil change, driving it til almost empty, then doing the oil change was his way of doing it, since if there's any carbon residue that makes it past the rings or gets in the oil, it will be poured out with the old oil. I'm not sure how valid this is, but he's an old school hot rodder who's built blown nitro burning dragster engines, so he probably knows a few tricks...
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    Veteran Member PagalDesi4Life's Avatar
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    Quote Originally Posted by Lightning
    A friend of mine (an engine builder) told me that mixing fuel injector cleaner into a full tank right before an oil change, driving it til almost empty, then doing the oil change was his way of doing it, since if there's any carbon residue that makes it past the rings or gets in the oil, it will be poured out with the old oil. I'm not sure how valid this is, but he's an old school hot rodder who's built blown nitro burning dragster engines, so he probably knows a few tricks...
    Yea thats what one of my friends told me so I wanted to ask on here too to see if that was valid and if majority of the ppl who do use those cleaners do follow that procedure.
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    Bottle fuel injector cleaners are a waste of money, IMHO. You should be fine if you buy gas from a major brand like Chevron, Mobil, etc., as they all have the best detergents. The money is better spent on new fuel filters every 15K miles and a complete fuel system service every 30K miles.

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