Halfords Ratings and Reviews

Fuel & Oil Additives Reviews

Overall Rating:5 out of 5 stars.
"Always had trouble starting our old Bedford petrol camper van as we have to leave it on a slight incline and the petrol drains back.As there is no electric fuel pump this was a major problem but a few"... (read full reviews)
Overall Rating:5 out of 5 stars.
"For a small can it certainly does the job. Does what is says on the tin."... (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.
"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.
"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.
"Hve used different additives over the years and this really does work. STP also do a " High mileage " fuel system cleaner which is for cars over about 70,000 miles, and this again shows good results."... (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:4.9 out of 5 stars.
"This product has given our car a much quieter running engine. You would think it was a petrol engine rather than a diesel. Delighted - as car is now eight years old!!"... (read full reviews)
Overall Rating:4.8 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:4.8 out of 5 stars.
"someone recommended this to me as a good way to clean out your fuel lines and filters without the hassle of taking things apart or to the garage ,excellent product I would recommend it"... (read full reviews)
Overall Rating:4.8 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)
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 bought this before to clean a carburettor which it is brill for. The leftovers I have used to clean metal parts of cooked on engine oil and all sorts of things around the home. It is the ultimate"... (read full reviews)
Overall Rating:4.7 out of 5 stars.
"the engine light came up on my dash , so i put in cataclean and so far so good no more light"... (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)
Overall Rating:4.6 out of 5 stars.
"Very good stuff, makes my 150,000 mile 6cly bmw works wonders makes engine alot smoother and quieter, should protect the engine get more miles hopefully. Slight downside is that, if you change your"... (read full reviews)
Overall Rating:4.6 out of 5 stars.
"Having purchased a second-hand, low mileage diesel saloon car recently, I noticed a somewhat lumpy idle although the engine ran very well in all other respects. I added one dose of Millers Diesel"... (read full reviews)
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