Suppliers of diesel injectors, diesel pumps and specialists in diesel fuel injection repairs, reconditioning and testing. DPF cleaning and diesel emission reduction in Shrewsbury.
Welcome to United Diesel Fuel Injection Services
We have two main areas within our company - United Diesel specializes in diesel fuel injector repairs, diesel pump & injector testing and high performance diesel injectors. DPF testing, cleaning and diesel engine emission reduction. United Tuning focuses on Viezu remapping and Viezu tuning for all types of vehicles
I have a seat ibiza cupra TDI. My car was very rough on cold starts and had a rough idle, also consumed more fuel than i would have liked. Decided on changing my injectors and upgrading to higher …
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Diesel injector and pump testing. Recondition of diesel injectors and pumps. DPF testing and regeneration done in our workshop in Shrewsbury.
Send your diesel fuel injectors and diesel pumps in for an honest, comprehensive fault finding test or if time is an issue contact us to supply you a new or reconditioned service exchange unit. DPF and SCR units can be checked and cleaned using the Certified Flash Cleaning Technology.
If you are in the area testing and cleaning of units can be done while you wait but please contact us first to arrange this.
Testing, reconditioning and supply of most diesel injection pumps and injectors. Professional cleaning and regeneration of DPF and SCR filters for all vehicles.
Specialising in the supply and calibration of high performance diesel injectors for most diesel engines. Upgrades to diesel fuel injectors using high flow nozzles.
Using the 2 Stagemaster’s flow mapping ability we are able to map the flow characteristics of each high performance diesel injector ensuring that each injector is balanced to obtain the best possible performance.
Supply, fitting and calibration of high performance diesel injectors.
As a Viezu remapping approved agent we offer ECU remapping, car remapping and dyno tuning for all types of vehicles; Cars / Vans / HGVs / Tractors / Motorhomes.
Improve your driving experience by having your vehicle's engine remapped to be more responsive with a smoother and more powerful drive and increased MPG.
Having the full backing of Viezu remapping we are committed to offering you a professional product with all the necessary back up to ensure that your engine remapping experience will be rewarding and satisfying.
Portex specialises in the field of diesel injection technology. It registered its own brand worldwide under the name FLAG, a brand that quickly became established on the independent aftermarket and one which still continues to stand for reliability, quality, service and innovation all over the world.
With the retirement of Mike Wager of M.W. Services we are proud to be able to serve the industry as the offical U.K. Flag distributor.