Chevron Techron Concentrate Plus Fuel System Cleaner - 20 oz

You will notice a pickup in the power of the engine after using. Vehicle accelerates more responsively. Be sure to drive it on a longer journey as the carbon is burnt off when engine is at normal operating temperature, not on short trips. Also be more aggressive on accelerating RPM to allow the product to burn off the carbon build up (once car up to temperature). Its the PEA content that cleans the carbon buildup. Advice is to schedule to use this at least 2 full fuel tank fill ups before an expected oil change, so by time you change your oil this product is completely used and no longer in fuel system. Example - I use every 8,000km and change oil at 10,000km. (Each fuel tank gets approx 1,000km). Use before every engine oil change to maintain a clean fuel system. Importantly - use this with high octane fuel(95 Octane), not cheap fuel (87/89 Octane). It needs the higher Octane to work best. Result will be better fuel mileage and restored power.

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After 30,000 kms odometer reading, this is the first time I added this fuel additive in my X3 30i and got a great result. Picked up the 20 oz (596 ml) bottle. And used it in 150 ml +150 ml + 300 ml in every alternate filling to my 65 ltrs petrol tank. Engine is very much smoother now, no more rough idling at start ups and experiencing instant power surge. Surely will use again after 5000 kms. What disappointing is the price is ever increasing, with-in a span of last two months, price gone up by 1000/- . That is shocking.

Not very good - but OK. Redline SI-1 & BG 44K are lot better.

Execelente producto mejor mucho la camioneta

EXCELENTE ADITIVO. Cumple con creces su alto costo, desde la 1ra aplicación, solo transcurre unos cuantos km para empezar a sentir como la reacción del motor es más pronta al acelerar.

I’ve used fuel system cleaners before, and this one is one I keep coming back to. Just pour it into the tank and drive, couldn’t be easier. After running it through, I noticed smoother performance, especially at idle and during acceleration. Nothing dramatic overnight, but definitely a noticeable improvement. It’s a good option for helping keep the fuel system clean and running the way it should, especially if the vehicle does a lot of short trips. I also like using it as part of regular maintenance every so often rather than waiting for problems to show up. For the price and ease of use, it’s a simple way to help maintain engine performance. Bottom line, easy to use and a solid choice for routine maintenance.