Heui Injectors
Heui Injectors are now repaired at United Performance. United Performance are very excited to announce that we can professionally and cost effectively repair your Cat Heui Injectors. We help you save money as our repaired Heui Injectors are considerably more cost-effective than new units – or even O.E. exchange units. All work is done inhouse allowing […]
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United: As Featured On ‘Wheeler Dealers’
Did you check out United on one of the most recent episodes of Wheeler Dealers? For two decades, Wheeler Dealers has been essential television viewing for petrolheads, taking classic cars that have seen better days and giving them a new lease of life. All for a tasty profit at the end! Resident presenters, Mike Brewer […]
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Blow-by in BMW Petrol Injectors
Is your BMW currently finding it difficult to start? Is it not running as it should when you get it going? Are you constantly smelling unburnt fuel? If your vehicle is suffering from any of these symptoms, then your petrol injectors could be suffering from “blow-by”. Also known as the “black death”, “blow-by” happens when […]
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Divan Helberg Joins the Team
We’re excited to welcome a new member of staff to our team. Qualifying as a Diesel Fuel Injection Technician in 2019, Divan Helberg learned Diesel Trade, Motor Trade Theory and Engineering Science in South Africa. Since then, he has attended and passed various courses offered by Bosch and Delphi, including: Combined Diesel basics & A-type […]
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Why Engine Oil Quality Matters
At United, we’ve seen many failures in diesel pumps and injectors and often, the problems can be attributed to the quality of fuel that has been used in the first place. Although cheaper than more premium options when you go to fuel your machine, lower quality fuel could end up being more expensive, causing more […]
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Air Ingress: Troubleshooting
Fuel pumps are great at moving fluids, helping the engine get the fuel it needs to run. However, they aren’t so good at pumping air. In fact, they shouldn’t, and it’s a considerable cause for concern. If there’s a leak in your fuel pump, this allows air to enter, causing air ingress inside. This can […]
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Blow-by or "black death"
Does your vehicle suffer from any of the following? Difficult starting Erratic or uneven tick-over or idle Lumpy running Hesitation on acceleration Smoke on tick over or acceleration Black “tar” around the injectors Chuffing sound from the engine when running A strong smell of unburnt fuel It could be suffering from injector blow-by or the […]
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Why does a common rail injector suffer from high return?
Poor quality fuel can come from the ingress of contaminants due to a dirty filter, the low or high-pressure pump breaking up, or a build-up of corrosion in the fuel system. Introducing water or petrol will also rob the diesel of its lubricity, thus causing the valve seat to wear prematurely. If fuel quality is […]
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Delphi DFi1.5 Common Rail Injector Bleeding Procedure.
Some Delphi Common Rail Injectors have reported to “fail” on fitment. This can be due to continuous control valve movement before diesel has sufficiently lubricated the moving surfaces of the internal components. Generally, the engine will start and run for a few seconds, cut out, and then be unable to start again. The following […]
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Welcome to United!
Over the last few months, we’ve been working on something exciting and are proud to officially present our new website along with our new brand! It’s been a long journey to perfect, but we couldn’t be happier with the outcome. Starting our journey in April 2022, we made the leap to have a complete rebrand […]
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