Halfords Ratings and Reviews

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Fuel & Oil Additives Reviews

Overall Rating:5 out of 5 stars.
"Does what it says on the can. Starts my diesel when the temperature drops below freezing."... (read full reviews)
Overall Rating:5 out of 5 stars.
"I've used slick 50 for years. As a classic mercedes collector my lowest milage car is 170,000, highest 450,000. I use slick 50 every other oil change and am looking forward to the next 400,000. Long"... (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 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 used this with my 12 year old car. I ntoiced instantly it started driving much smoother and I can't believe the difference it has made to the acceleration and ride quality of my car! When I would"... (read full reviews)
Overall Rating:5 out of 5 stars.
"I bought this over a year ago as it was on offer and it worked a treat. My engine was clogging up and chugging a lot which meant id to drop the gears and blow out a load of smoke. I used this"... (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've used this since it was recommended to me by my local classic friendly garage, and wouldn't use anything else now. As well as offering the protection absent from today's lead free fuels, it also"... (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.
"used this in my 1998 TDU Passat and instantly i can see the difference its faster and smother on accleration and there way less smoke i will buy this from now on cant get over the difference."... (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:4.9 out of 5 stars.
"Have bought this product for the last three of my cars. It is excellent at reducing friction and can be used in the petrol to lubricate the upper cyliders. Change the oil and put the required amount"... (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.
"i have been putting slick 50 in my car,s for years it is the best you can get"... (read full reviews)
Overall Rating:4.8 out of 5 stars.
"molyslip was first demonstrated to me in 1957 I have used it ever since in all my cars. I was shown that after the addition of molyslip to engine oil and running the engine for a period then draining"... (read full reviews)
Overall Rating:4.8 out of 5 stars.
"Great solvent which quickly and effectively 'de-gummed' the blocked carb on my lawnmower. The fine tube which fits into the spray cap makes it really easy to high pressure blast those very narrow"... (read full reviews)
Overall Rating:4.8 out of 5 stars.
"My car was stuttering when idling, nothing major, but a definite intermittent fluttering. Added Redex, and gave the car a good run up and down the gears. Now I have no stuttering when idling"... (read full reviews)
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