Halfords Ratings and Reviews

Fuel & Oil Additives Reviews

Overall Rating:5 out of 5 stars.
"Have an old but lovely Citroen which simply didn't want to start because the petrol had evaporated from the carb, simply squiring EZ Start into the air intake, whilst cranking the engine worked"... (read full reviews)
Overall Rating:5 out of 5 stars.
"Great product, seen a difference in engine noise and the car is a lot quicker off the line. The car feels a lot smoother."... (read full reviews)
Overall Rating:5 out of 5 stars.
"What a product I noticed the difference In my engine performance after using this product. One definitely to be recommend.. It's like it wakes up the engine use"... (read full reviews)
Overall Rating:5 out of 5 stars.
"I have used this on a few cars over the years and it makes a big difference to the mpg and the engine does sound alot healthier. I put this into a nearly empty tank and then fill up using shell v"... (read full reviews)
Overall Rating:5 out of 5 stars.
"I would recommand this product to all my friends and family."... (read full reviews)
Overall Rating:5 out of 5 stars.
"Had 750ml put into my Rover 2ltr Turbo Diesel Engine and went on a 250 miles road trip and it runs a lot quieter and smoother, starts better in the mornings. Would definitely recomend Slick 50. Also"... (read full reviews)
Overall Rating:5 out of 5 stars.
"After having so many problems with the Diesel Particulate Filter on my Ford Focus, I had that and the EGR valve removed completely and the ECU remapped. My only concern was the increase in emissions"... (read full reviews)
Overall Rating:5 out of 5 stars.
"I have use this product for many years - good for cleaning fuel systems / injectors etc.. Always good to use before an MOT to clean the fuel system. Simple to use - just pour into your fuel tank when"... (read full reviews)
Overall Rating:5 out of 5 stars.
"I was having starting issues with my Peugeot 407. Air was getting in the fuel overnight and I had to manually prime the fuel bulb to get it started. Tank was less than 1/4 full so I had a browse in"... (read full reviews)
Overall Rating:5 out of 5 stars.
"Engine warning light came on in my Picasso and the engine was running a bit lumpy. A shot of this in a full tank and within about 30 miles the engine started to run ok and the engine warning light"... (read full reviews)
Overall Rating:5 out of 5 stars.
"I bought this engine treat (wynns formula gold) for my audi 1600 cc petrol.before this product ,a full tank petrol (53 litres without reserve)gave me between 285-295 miles only .But after using this"... (read full reviews)
Overall Rating:4.9 out of 5 stars.
"I have an older Ford Fiesta which was generally a bit sluggish and not sounding too healthy on the colder mornings. I gave ZX1 a try. It's not the cheapest product on the market but certainly worth"... (read full reviews)
Overall Rating:4.9 out of 5 stars.
"Car began showing symptoms of fuel starvation/blocked injector. Dosed it with one bottle of Wynn's Injector Cleaner just before a 200 mile drive. Very rough throughout the journey as the blockage"... (read full reviews)
Overall Rating:4.8 out of 5 stars.
"Amazing stuff, I was completely flumoxed my a fault with my scooter, it would idle but wouldn't rev after taking my carb apart loads of times with no improvement with the way it ran, I then noticed"... (read full reviews)
Overall Rating:4.8 out of 5 stars.
"Sorted out our smoking engine quickly, cheaply and with no hassle"... (read full reviews)
Overall Rating:4.7 out of 5 stars.
"I know for best results you really need to strip & clean the fuel system components but I just took the airbox apart on my BMW Mini Cooper & sprayed this up the intake. It first of all highlighted an"... (read full reviews)
Overall Rating:4.7 out of 5 stars.
"I have a 2001 Peugeot 406 2.0D which was giving me below average mileage and I was encountering sporadic injector problems. I always thought that additives were a myth but after quite a bit of"... (read full reviews)
Overall Rating:4.7 out of 5 stars.
"the easy to use dispenser makes adding the correct volume to petrol easy and quick. The bottle will treat 250 litres of fuel so doesnt add a lot of cost to petrol over the full, about 5p per litre"... (read full reviews)
Overall Rating:4.7 out of 5 stars.
"Started using this product in 2001 in a toyoto hi-ace van,adding 1x 750mm can each year, have just sold the van with 284,000 miles on the clock with the original engine and nothing more then yearly"... (read full reviews)
Overall Rating:4.7 out of 5 stars.
"Put this in my Ford Capri fuel tank and it made a big difference to driveability from cold. Now very smooth, was previously a little jerky and spluttery till fully warmed up. My car has a mechanical"... (read full reviews)
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