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Almost skipped the $9 bottle of fuel injector cleaner at the O'Reilly in Tulsa, but my rough idle actually smoothed out
For about 4 months my truck had this little shake at stoplights and a mechanic quoted me $260 to pull and clean the injectors. I grabbed a $9 bottle of cleaner on a whim while buying wipers, dumped it in a half tank, and by the end of that tank the shake was mostly gone. Then I ran a second bottle through and my idle sits steady at 650 rpm now. I know half of these products are snake oil, so what actually made the difference here, or did I just get lucky with a dirty injector instead of a bad one?
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the_jason9d ago
Whoa, wait, $260 just to pull and clean injectors? That's wild to me. Ngl I would've laughed at that quote too and rolled the dice on the cheap bottle myself. The part that gets me is the shake being mostly gone by the end of one tank, that's a quick turnaround for something that's supposedly snake oil. Sounds less like luck and more like a clogged injector that actually got unstuck, since a truly bad one wouldn't have cleaned up at all. Steady 650 after round two is a pretty solid sign the fix was real.
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