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I've been using MMO on numberous fill ups and I would average anywhere from 23 to 23.9 average mpgs (combined city and highway). I decided to stop using MMO to see if my mpgs were affected. You bet! I'm now averaging anywhere from 1.9 to 2.5 increase in my mpg. I've noticed this on three...

I recently tried BK44 Power enhancer which has definitely given me a 1.5 to 2 mpg increase and that's with the airconditioner running (I live in Dallas). How long can I realistically expect this increase in mpg to remain? How often should I use BK44? Should I follow this up with MMO or Lucas UCL...

I recently added 4 oz of Lucas UCL gas treatment. I then added some leftover MMO. I must admit my car seems to have more pep then using strictly the Lucas by itself. Is this a good idea to mix the two?

I have a new vehicle with only 500 miles on it. Is it too soon to add Lucas UCL?

I'm getting ready to start my Auto Rx rinse cycle. Would it be a good idea to also run Seafoam through the intake line of the engine?

I currenty have an 04 Acura TL with 65k miles on it. Usually in the morning after the car has been sitting overnight, it tends to have a rough idle which eventually smooths out. I live in Texas, so cold weatehr is not much of an issue. About 1500 miles ago, I treated the engine with Seafoam...

I recently changed my oil and I'm not due for my next oil change for another 2000 miles. Is it okay to add Auto RX to my existing oil for a basic cleaning application or should I just wait until my next oil change? The oil used was Valvoline 5w20 but I'm not sure of the full name. Is this the...

Can Seafoam that's injected through the PVC line (not sure if I'm using the correct term)cause an O2 sensor to go bad? If not, what can cause this?