Halfords Ratings and Reviews

Fuel & Oil Additives Reviews

Overall Rating:5 out of 5 stars.
"Worked a treat,does what it says on the tin,could not ask for more,or less."... (read full reviews)
Overall Rating:5 out of 5 stars.
"USED THIS TO REFRESH MY ENGINE PREFORMANCE , DID THE TRICK , GOOD STUFF I WOULD RECOMMEND"... (read full reviews)
Overall Rating:5 out of 5 stars.
"I've always used Slick 50 Engine Treatment, it's gone up in price over the years but it cant be co-incidence that i always get over 150.000 miles out of my car engines, and they're still going strong"... (read full reviews)
Overall Rating:5 out of 5 stars.
"My old Rover had quite a severe intermittent engine misfire and this typically resulted in the engine 'stumbling' and being very hesitant when the misfire occurred. This was horrible as the engine"... (read full reviews)
Overall Rating:5 out of 5 stars.
"Car had a slightly rough idle used this and after a while car responds better and idles OK now"... (read full reviews)
Overall Rating:5 out of 5 stars.
"Using in my motorbike and has seemed to improve performance and has a clean a carb problem as well"... (read full reviews)
Overall Rating:5 out of 5 stars.
"I've put Slick 50 in ever vehicle I've owned..! Just put Slick 50 Engine Treatment in my bike. She now runs smoother, quieter & cooler. BRILLIANT..!"... (read full reviews)
Overall Rating:5 out of 5 stars.
"i bought this item from halfords because of price and it does what is says on the tin,i run a old diesal zx volcane td and it does help with lowering the diesal emissions for a mot,i put it in a week"... (read full reviews)
Overall Rating:5 out of 5 stars.
"Phew ! was facing a £1500 diesel PF change and was feeling pretty gutted, when I looked online and saw these types of treatment. First I tried the Wynns version and did the motorway run as suggested"... (read full reviews)
Overall Rating:5 out of 5 stars.
"I use fuel system cleaners fairly reguarly in my VW polo bluemotion 1.2 tdi as im a driving instructor and do high mileage. This product is low cost £2 per tank so much cheaper than branded forecort"... (read full reviews)
Overall Rating:5 out of 5 stars.
"Bought this product to cure some soft misfires on my Hyundai Getz 1.3GSi. It was struggling to accelerate whilst the engine was under load. Almost as soon as I put the Redex Advanced in the tank it"... (read full reviews)
Overall Rating:5 out of 5 stars.
"My emissions were sky high after my NCT (for example the accepted rate of CO is 0.3% and mine was over 2%!!) I put both bottles into my tank and topped it up to full with clean unleaded from Topaz the"... (read full reviews)
Overall Rating:5 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)
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:4.8 out of 5 stars.
"Convinced by other reviews I decided to try this product as a precautionary element to looking after the engine in a Mazda 6 I've just purchased. I noted the engine noise before and then after I added"... (read full reviews)
Overall Rating:4.8 out of 5 stars.
"My car was running horrendously, jumping, chuggy and juddering going up any hill or when car was put under pressure. Always using car in low gear other wise it would stumble as if it was going to"... (read full reviews)
Overall Rating:4.7 out of 5 stars.
"Used product to overcome a start up problem with my Multitool but no positive result was obtained"... (read full reviews)
Overall Rating:4.7 out of 5 stars.
"Does exactly what it says on the tin! Just be careful to follow the instructions carefully. Better value for money than other comparable products."... (read full reviews)
Overall Rating:4.7 out of 5 stars.
"having used other products on the market in a variety of vehicles I was sceptical about how this would make any difference to my Aged Alfa Romeo, having barely scraped through its MOT last year on"... (read full reviews)
Overall Rating:4.7 out of 5 stars.
"First of all very sorry...to write late.review .I booked an engine treatment online and was available in halfords Ruislip branch. when i arrived there to collect my item. The halffords manager was"... (read full reviews)
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