Stop Smoke & Engine Repair

Poured into the engine oil as directed; effect showed up after a short drive. What I noticed: Exhaust smoke dropped significantly and quickly. Easy to use — pour and drive. Heads-up: This is not a repair, more of a temporary aid; results depend on the root cause. Monitor oil level and follow the label. Worked right away for me and reduced smoke noticeably.

My mower was smoking badly from wear. It was so thick at times that I could not see ahead of me. One treatment ended the smoke. It's not fixing the engine, but it is allowing me to mow until the engine gives up the ghost.

Great product, really works.

it made my problem worse, alot worse. The smoke came out thicker. And yes, I had a mechanic do it for me. He said it should have worked in theory and it seemed to be at first. So maybe it was a bad bottle. I don't know.

I have an old Kubota rtv 500 that smoked ridiculously. Couldn't go to the woods without being seen for miles. I put this in it and it smokes when I first start it in the morning and then never smokes again. I'd recommend this product for any small engine that's smoking. I've been an automotive mechanic for 35 years and I didn't expect it to do anything but it works. Don't know about car engines but it definitely worked for me and I buy it all the time.

Mechanic friend told me about this product and I’m impressed. Just what my engine needed and love Amazon had it because most of the auto parts stores don’t carry this product.

I have a 2004 gmc yukon . Thats smokes when started so bad . This stuff really helped. No smoking when started now. Doesn't leak. Does exactly what says it should. Great value, easy to add in. Over all great product so far

Look, I know it's not a cure all, my engine will still need to be repaired, but it stopped the plume of smoke I was getting every 3rd start up, the oil leak has so far gone away, and I can hold out and save for that big repair or more likely a newer car. THANK YOU.