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Home > MOT Emissions Fail Help


Ametech MOT Buster Kits include one of each of the following products which, used in accordance with the instructions, give your vehicle the best possible chance of passing the MOT Emissions Test. To really be effective, these MOT Emission Buster Kits are best applied to your vehicle at least 2 weeks before your MOT test to allow time for you to run them through your engine and fuel system for at least 20 hours. All backed by our Money Back Guarantee if you are not happy with the results!

RESTORE Engine Restorer & Lubricant fills scatches in reciprocating and rotating metal-on-metal surfaces to reduce oil burn and blue smoke emissions.

RESTORE Motor Cleaner/Engine Flush cleans the internal engine, removing sludge, varnishes and gums, freeing up valves, piston rings and hydraulic lifters and preparing the engine for remetallisation with RESTORE Engine Restorer.

RESTORE Oil Anti-Leak rejuvenates and conditions neoprene rubber oil seals to prevent and stop leaks and can cure blue smoke emissions on start-up due to hardened valve stem seals.

RESTORE Catalytic Converter and DPF Cleaner dissolves carbon deposits, varnishes, resins and gums and cleans the entire fuel system, pump, injectors, carburetors and emission control devices - catalytic converters or diesel particulate filters - improving fuel combustion and economy and reducing toxic CO and CO2 emissions and fuel related smoke.


In late April 2003, I bought a red Volvo 440 Xi 1.8 petrol hatchback, registered 1992, Mileage 49440. It had been well looked after and was a nice little runner. The car sailed through the MoT in December 2003, costing me just the MoT fee and returning satisfactory emissions test results for a car that had now covered 57,867 miles since new

During the next year I drove 8625 miles. This was 2004, the year I first became aware of RESTORE Engine Restorer & Lubricant. A couple of months before the MOT I added a small 250ml can of Engine Restorer to the engine oil to protect the engine and as a preventative against future wear. The car already ran very nicely, so I wasn't surprised that I noticed no great difference to the performance. In December the car went in for its annual MoT test and I asked the garage to carry out an engine flush and oil change at the same time, adding a further 250ml can to the new oil. The Volvo passed the emissions test with ease, returning 0.007% CO and 2ppm HC st Fast Idle and 0.031% CO at Natural Idle, an improvement of 4ppm on Hcs and down 0.022% on CO Natural Idle. At that time, I didn't bother comparing the MoT results; I was pleased the car had passed the Mot with ease and it was driving as nicely as ever.

I checked the oil periodically during the year - it stayed at a constant level on the dipstick and I was surprised that it maintained its original honey colour. The previous year the oil had been a darkish brown.

December came around again and the car passed the MoT with flying colours again. I had clocked up another 8770 miles during that year, the car was running beautifully, the oil stayed clean between changes and I didn't feel the need to add more RESTORE at this time.

In December 2006, I asked the MoT garage to carry out an oil change prior to the MoT again. I had covered more miles this year, 10811 in all, bringing the odometer reading up to 86,073. In view of this I thought it was time to treat the old gal to another can of RESTORE. This time I asked the garage to add a 400ml can to the new oil. The emissions test reading was fantastic, so much so that the MoT station commented on it. Encouraged by their comments, when I got home I dug out the previous MoT reports and Exhaust Emissions Test Results to compare and this is what I found:

Year Mileage Fast Idle CO Fast Idle HC Fast Idle Lambda Nat Idle CO
2003 57867 0.00% 6 ppm 1.003 0.09%
2004 66492 0.007% 2 ppm 1.018 0.031%
2005 75262 0.005% 3 ppm 1.015 0.011%
2006 86073 0.003% 1 ppm 1.008 0.060%

That car was the most reliable, most economical and most pleasurable drive of any car I have ever owned and I am convinced that RESTORE Engine Restorer was responsible for that. Eventually though, exposed to the elements on the seafront at Felixstowe, it succumbed to rusting, as many 440's do, of the lower door panels and sills and I sadly had to part with it.

Scanned copies of the MoT certificates below corroborate the data in the table above:

MOT Emission Test results before RESTORE Engine Restorer

MOT emissions results after Ametech RESTORE Engine Restorer Year 1

MOT Emission Test results after Ametech RESTORE Engine Restorer Year 2

MOT Emission Test results after Ametech RESTORE Engine Restorer Year 3

Failed MOT emissions? MOT Buster Kit for a 2 Litre Petrol, Diesel or Hybrid EngineFailed MOT emissions? MOT Buster Kit for a 2 Litre Petrol, Diesel or Hybrid Engine
Get your 2 litre engine ready for the MOT with our MOT Emissions Buster kit. Four of our best products formulated to reduce smoke emissions and improve performance. Use at least two weeks prior to MOT.
Price: £36.00
High MOT emissions? MOT Buster kit for a 4 Litre Petrol, Diesel or Hybrid EngineHigh MOT emissions? MOT Buster kit for a 4 Litre Petrol, Diesel or Hybrid Engine
Get your 4 litre engine ready for the MOT with our MOT Emissions Buster kit. Four of our best products formulated to reduce smoke emissions and improve performance. Use at least two weeks prior to MOT.
Price: £58.00

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SPECIAL OFFER! Restore, Clean and Seal oil leaks in a 4 litre engine

(incl UK Standard Delivery P&P)

for 2 litre engines

(incl UK Standard Delivery P&P)


treats 10 litre oil capacity

(incl UK Standard Delivery P&P)


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12 x 250ml cans Ametech Engine RESTORE Oil
12 x 250ml cans Ametech Engine RESTORE Oil


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