Fuel Assist

Wrong Fuel, Misfuelled, Contaminated Fuel, AdBlue Contamination, Fuel Drainage Car, Van and HGV … Leave all your worries to Fuel Assist.

24hr Road side assistance
24hr Roadside Assistance
Specialists in Hybrids and Saddle Tanks
Specialists in Hybrids, Saddle Tanks and AdBlue
State of the art workshop
State of the art workshop
125 years combined technical knowledge
125 years combined technical knowledge
All types of contamination
All types of contamination
Full inhouse garage facilities to get you back up and running as fast as possible.
Full inhouse garage facilities to get you back up and running as fast as possible.

Fleet Fuel Solutions

Having performed over 38,000 successful contamination treatments since 2009, we bring to you the very best solution for your misfuelling issue; partnering with a UK leading specialist puts your fleet in safe hands as we are renowned to be heads and shoulders above our competitors.

A Simple Method To Flush Out Contaminated Fuel In Your Car

With Atex certificated equipment, we can carry out fuel drainage service at your location. With over 38,000 contamination fixes since 2009, our trained and expert technicians can advise you on the solution you require, from established conventional fuel draining methods to a more advanced, scientific solution. We have a strong collaboration with Forte, and together we bring you cutting edge technology solutions, putting us light years ahead of our competitors.

“Forte is at the forefront of providing the very best in effective engine treatments. Forte products are used on a regular basis by over 9,000 garages in the UK”

BCA | Direct Line | DLG Auto Services | ECP | Link LV | Mercedes-Benz Commercial | Motorbitz | Subaru | TCL Group |Tesco | WMS Rescue & Recovery

What happens if you put the wrong fuel in your car? What to do if you put the wrong fuel in your car? These are our FAQ’s:

Do not drive your vehicle, but call one of our engineers who will be able to immediately assist you.  However, to offer some guidance to you, motoring organisations recommend that any more than 5% of petrol mixed with diesel can cause problems and should be drained before you top up your car.

Fuel Assist is equipped to handle the most complex of cases including “saddle” design tanks. It is essential to make sure all the lines are cleaned out by either the industry conventional method or using cutting edge proven scientific methods. Our technicians are equipped and trained with the latest Forte chemicals and the latest Forte machines to offer our clientele a gold star service at the best possible price.

Forte is a name that is synonymous with the very best in effective engine treatments. Forte trade-only products are used on a regular basis by over 9,000 garages in the UK”

Water in your fuel tank can cause serious engine damage.  Our mobile units remove fuel contaminated with water, or other liquids, in the same way as we remove petrol from a diesel tank and vice versa. With over 38,000 contamination fixes, our skill and knowledge are second to none coupled with our partnership with Forte, bringing you the very best solution.

We have a state-of-the-art workshop to carry out extensive or complex repairs. We are proud to be appointed by Xpart Of London as a primary fitting centre for all their products. Xpart Of London is known to have the most stringent criteria for workshops to obtain their seal of approval and their quality components speak for themselves, with over 500 raving reviews on their website.

Please do not drive the car without speaking to us first – motoring organisations recommend that any more than 5% of petrol mixed with diesel can cause problems, and should be drained rather than being topped up.

You do not need to be towed to a garage as our mobile units come to you with state-of-the-art equipment to get you back on the road within an hour.

  1. Inform the staff at the petrol station that you have put the wrong fuel in your car.
  2. Do not turn on the ignition or start the vehicle – if you have already started the engine and driven your car, do not panic as we are equipped with the latest Forte machines and chemicals to ensure we remove all the contaminated fuel.
  3. Upon completion, you will be advised to fill your fuel tank completely, at your earliest convenience.
  1. Inform the staff at the petrol station that you have put the wrong fuel in your car.
  2. Do not turn on the ignition or start the vehicle – if you have already started the engine and driven your car do not panic as we are equipped with the latest Forte machines and chemicals to ensure we remove all the contaminated fuel.
  3. Upon completion, you will be advised to fill your fuel tank completely at your earliest convenience.

Always have the contaminated fuel removed from your car as soon as possible.

In line with car manufacturers’ recommendations, any petrol fuel contaminated with diesel should be removed from the tank and replaced with clean fuel before the ignition is turned on and the car started.

The engine components are not designed to withstand diesel, thus parts like the seals and fittings may become damaged too and will, therefore, need to be checked. As a general rule, if the wrong fuel is removed from your car with the minimum of delay there is unlikely to be any lasting damage. This is why we have partnered up with Forte to bring you the latest scientific backed solutions that are guaranteed by Forte.

We have successfully drained Dumper Trucks, Diggers, Generators, Boats and Motorbikes. Please contact us for more information.

If you think your vehicle has been filled with contaminated fuel and if you would like to have the repair undertaken, Fuel Assist will diagnose the cause of the issue and provide you with a report of the costs you incurred so that it may assist you to make a claim against the petrol station, if deemed necessary. Fuel Assist strongly recommends that you inform the petrol station, don’t forget to take down the name of the cashier/manager, remember to keep your fuel receipt.
  • If the car starts to run roughly or misfire, do not drive your vehicle. Please speak to one of our engineers who will be able to assist you.
  • If your car has broken down, we will provide all the assistance you require.
  • We will also take a sample of the contaminated fuel for you.
  • Fuel assist is approved by the environment agency.

We cover all the latest vehicles, light commercial and HGV so if you have misfuelled or have contamination in your tank, we will have the right solution for your car – from the conventional drainage method or to a more sophisticated scientific method by Forte. In particular, we specialise in misfuelled models for Aston Martin, Audi, Bentley, BMW, Jaguar, Land Rover, Mercedes Benz, Porsche.   All commercial models being our expert area.

Misfuelling contamination damage caused to fuel lines, fuel filter, spark plugs, egr, fuel injector, fuel pump low pressure/high pressure & DPF.

Misfuelling Effects On The Fuel Lines

Depending on how far the contaminated fuel has travelled, will determine the service level required. Often if the fuel has circulated around the engine’s main components, then this results in a complete power flush and if required replacement of components.

Common misfuelling line codes include:

P0087 fuel pressure too low, P0093 system fuel leak detected, P0148 fuel delivery error

Misfuelling Effects On The Fuel Filter

It is imperative that you have the fuel filter replaced when you are dealing with contaminated fuel.

Common fuel filter codes include:

P0087 fuel pressure too low/blocked filter, P0088 fuel pressure too high/ filter broken up. Replacement of the filter should be sufficient to resolve these codes.

Misfuelling Effects On Spark Plugs

Often, we are presented with this situation and once a spark plug is contaminated with diesel, we will either need to conduct a thorough clean or carry out a replacement. Depending on the spark plug and extent of damage, our engineers will be able to advise you accordingly.

Common Spark Plug Codes Include:

P0300 Random/Multiple Cylinder Misfire, P0301 Cylinder 1 Misfire Detected, P0302 Cylinder 2, Misfire Detected, P0303 Cylinder 3 Misfire Detected, P0304 Cylinder 4 Misfire Detected, P0305 Cylinder 5 Misfire Detected, P0306 Cylinder 6 Misfire Detected, P0307, Cylinder 7 Misfire Detected

P0308 Cylinder 8 Misfire Detected, P0309 Cylinder 9 Misfire Detected, P0310 Cylinder 10 Misfire Detected, P0311 Cylinder 11 Misfire Detected, P0312 Cylinder 12 Misfire Detected, P0313 Misfire Detected with Low Fuel.

Misfuelling Effects On The Egr Valve (Exhaust Gas Recirculation Valve)

Fuel contamination will contribute to excessive carbon build up and is likely to bring up the engine management light on your dash highlighting performance issues.

Common EGR Fault Codes Include:

P0400 code is for carbon build up, P0401 code for insufficient flow.

Depending on the fault and if you are competent, you could take the EGR valve off, give it a clean and check all connections are on securely. If the EGR valve requires replacing, we are an appointed fitting centre for Xpart of London since 2011, who provide a range of high-quality parts.

Misfuelling Effects On Fuel Injectors

Fuel contamination leads to injectors to become blocked, solenoids to stick open and could result in engine piston damage, as well as oil contamination.

This can then lead to other issues such as failure of the DPF by becoming blocked, Oil contamination, EGR valve becoming blocked or worse still, engine failure.

Common fuel injector codes include:

P0200 malfunction in injector circuit, P0201 indicates misfire cylinder 1, P0202 indicates misfire cylinder 2, P0203 indicates misfire cylinder 3, P0204 indicates misfire cylinder 4, P0205 indicates misfire cylinder 5, P0206 indicates misfire cylinder 6, P0207 indicates misfire cylinder 7, P0208 indicates misfire cylinder 8. There is no quick fix here and you will require a thorough investigation into the causation and solution required.

Misfuelling effects on high-pressure fuel pumps?

We see every day that fuel contamination is common – this can lead to friction and excessive wear of the fuel pumps, thus creating metal shards which cause metal fillings to be forced around the entire fuel system, causing complete failure throughout the system. If this is the case you are likely to have the following fault codes.

Common High-Pressure Fuel Pumps Codes include:

P0087 fuel pressure too low, P0088 fuel pressure too high, P0090 fuel pressure regulator control circuit, P0230 fuel pump primary circuit malfunction, P0251 injection pump fuel metering control a malfunction, P0252 Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector), P0253 Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector), P0254 Injection Pump Fuel Metering Control A High (Cam/Rotor/Injector), P0255 Injection Pump Fuel Metering Control An Intermittent (Cam/Rotor/Injector), P0256 Injection Pump Fuel Metering Control B Malfunction (Cam/Rotor/Injector), P0257 Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector), P0258 Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector) P0259 Injection lump Fuel Metering Control B High (Cam/Rotor/Injector), P0260 Injection Pump Fuel Metering Control B Intermittent (Cam/Rotor/Injector).

Misfuelling effects on low-pressure fuel pumps also known as transfer pumps?

We pride ourselves with our in-house expert knowledge of low-pressure fuel pumps, that are also known as transfer pumps.

Common Low-Pressure Fuel Pumps Codes include:

Low-pressure fuel pumps, P0087 fuel pressure too low, P0088 fuel pressure too high, P0148 fuel delivery error, P0089 fuel pressure regulator performance, P0149 fuel timing error.

Misfuelling Effects DPF (Diesel Particular Filter)

A DPF fails by becoming blocked, this is often the case of misfuelling. This can lead to your MOT failing and your vehicle going into limp mode.

Common DPF (DIESEL PARTICULAR FILTER) Codes include:

P2463 exhaust pressure levels, P2458 failed regen, P2457 failed regen time, P0470 DPF pressure sensor malfunction, P0471 indicates exhaust pressure sensor, P2002 DPF efficiency below threshold bank 1, P2003 DPF efficiency below threshold bank 2, P2031 exhaust gas temperature sensor circuit bank 1 sensor 2, P2032 exhaust gas temperature sensor circuit low bank 1 sensor 2, P2033 exhaust gas temperature sensor circuit high bank 1 sensor 2, P2034 exhaust gas temperature sensor circuit low bank 2 sensor 2, P2035 exhaust gas temperature sensor circuit high bank 2 sensor 2, P242f DPF restriction ash accumulated, P244a DPF differential pressure too low bank 1, P244b DPF differential pressure too high bank 1 , we can offer you an onsite power clean service by using specialist machines and chemical treatments.

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