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Fuel injector cleaners
When I first got the car, there were certain gas stations to avoid b/c it burnt sulfer smelling exhaust. I found a good station that I've been using for two years. Recently, the smell has come back. I replaced the 02 sensors and the smell is still there. I was wondering if a strong fuel injection cleaner like the BG44 can eliminate the problem.
And where is it retailed? TIA