I had been noticing that the RPMs on my 2003 Dodge Dakota were randomly fluctuating. It seemed to be only at highway speeds above 50MPH and while idling in park. My wife and I were on a short road trip and the truck got really sluggish. I stopped at a gas station and after checking out the different automotive products I bought a bottle of Lucas Deep Clean Fuel System Cleaner. I poured it in the tank, got in the truck and my wife said, “What the heck did you put in the truck?? That noise it was making stopped!” Within 20 seconds of pouring it in the gas tank my idle evened out! Down the road again and the RPM bouncing was minimal! At my next full tank fill up I put in another bottle of Lucas and it has run perfect ever since! Thank you so much for developing such an amazing product!! I’m a Lucas customer for life now!

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