This latest equipment purchase compliments our Rolling Road Chassis Dyno that we often use to successfully perform our DPF Dyno-Clean service on some of our customers vehicles. By only having the DPF removed out of the System the vehicle will detect the change and eventually cause the engine to go into Limp mode. Whatever the fault or cause of your Diesel Particulate Filter (DPF) related problems, CRD Performance offer a comprehensive diagnostic check and repair solution for most cars and light vans. A new Isuzu DPF cost about $7,000, and this is an unnecessary expense.

Recent software additions have included fuelling corrections using can-bus data from the vehicle’s OBD port and even automatic cancellation of specific OBD fault codes caused by the slight differences in combustion properties between petrol and LPG. Although we cannot guarantee that in all cases the DPF will be close to 100% clean, we do believe it is the best cleaning option currently available and much better than the vehicles own built in regeneration.

The quantity of LPG injected is governed by injection duration, much like similar non-sequential multipoint systems, but the timing of each injection is synchronised with the vehicle’s petrol injection pulses, allowing the LPG to be injected independently into each cylinder at precisely the right moment. Thank you!

Initial set up of the newly installed system is carried out using the appropriate software and a standard calibration is performed (like most installers do) in accordance with the kit manufacturer’s instructions. Any budget kit we supply and fit, used or new, will still be covered by the minimum 12 months or 12,000 miles warranty. After cleaning, you’ll not be able to differentiate between your old DPF and a brand new one. CRD Performance will replace failed or blocked diesel particulate filters but generally this would only be if either a forced regeneration or forced chemical DPF clean was initially carried out and not been successful.

They then claim their kits are the best in the world, all because of the good quality Japanese Keihin injectors they use. The main differences between the two methods are that instead of using just diesel, a chemical cleaning fluid is used which is probably far better for the job, the vehicle manufacturer only uses diesel for convenience and to save cost. As for the Dutch sytems; Prins build their own electronics and reducers but buy their injectors from Keihin in Japan. Unfortunately the DPF unit on these trucks are not suited for low speed, urban type driving on the 3.0L & 5.2L 4HK1 & the 7.8L 6HK1, and 9.8L engines.

This method is often referred to as BDM – Back Door Mode. For instance, the exhaust emissions contain carbon deposits, which can accumulate inside the engine and its various components as it is getting recirculated back through. What helps even more, and gives us yet a further advantage over most other LPG installers is that Eddie Zyla, the owner of CRD Performance, was born in England to Polish parents but speaks both fluent English and Polish. Before we carry out the DPF Regenerator process we must first carry out our own initial diagnostic tests for which there is a charge of normally £80.00.

It is for this reason that taking your vehicle back to the Main Dealer is ever increasingly turning into a costly DPF replacement. These filters can often be confused with catalytic converters or silencer boxes since they look similar and are usually incorporated as part of the exhaust front pipe near to the engine. Hence, deleting the EGR will also eliminate the problems with which it’s associated, and arguably the biggest benefit of doing so is that it will reduce the amount of emergency maintenance you’ll have to perform throughout the engine’s lifetime. The reducer is mounted inside the engine compartment; this part converts the liquid from the tank into gas vapour in a controlled manner relative to gas demand.

Please accept to continue or block all non-essential cookies. Your engine is controlled by an electronic management system. If this procedure fails, for whatever the reason, and the DPF becomes too blocked for an active regeneration to be effective, then a Technician, by using a vehicle specific scan tool may be able to initiate a safe and controlled forced regeneration of the vehicles DPF.

Rolling Road, Oscilloscope, Smoke Machine, Sensor Simulator, Coda Fuel Flow Tester etc. Fax: 514 932-9741

Is the engine intake manifold easy to adapt for LPG injection or are long pipe lengths necessary therefore requiring an abnormally high gas pressure and use of high current, low impedance injectors? By choosing cheaper components with a shorter life expectancy and fitting them quickly in the easiest and non-cosmetically pleasing way, overall vehicle performance and driveability may be compromised but the customer will get a quick and cheap installation.

Will it be continually stalled or stop-started and therefore be requiring a specific type of LPG system that allows instant gas start up when the engine is warm. CRD Performance (previously F1 Automotive) have been installing most makes of LPG systems for over 15 years now and honestly believe that considering the development work we’ve been involved in and number of different kit makes we’ve tested, some good, some not so good, then our opinion on choosing the best make of system currently available should carry some credibility. To correctly install an LPG system takes a competent UKLPG qualified Fitter between 2 and 4 days, depending on the engine cylinder configuration and tank type used. There are two types of kit available; the first uses a bottle with a micro filter, tap and drip-glass.

The cubic capacity (cc) is of less importance because large LPG injectors cost the same as small ones. This site is protected by reCAPTCHA and the Google, Welcome to world's most trustworthy automotive forum, Edc7c32 need delete or just dpf by navkal. Better fuel economy: Most owners report a noticeable fuel economy improvement following deletion because the engine is running cleaner, cooler, and more effectively.

For example; is it going to be used as a Taxi or Learner Driving School car? Active regeneration normally occurs whilst the vehicle is being driven at steady motorway cruising speeds and may last around 30 minutes before the cycle is complete. Even where we do not have the correct scan tool available to communicate with the ECU we can still read and monitor DPF temperatures using other test equipment whilst we perform a controlled high temperature forced regeneration. It is designed to draw varying amounts of gas vapour into the inlet stream relative to the air flow passing through it into the engine.

See the models.

A liquid injection system works in a similar way to a petrol-injection system; liquefied fuel is pumped out of the tank to a fuel pressure regulator and to the injectors. Prices start from just £299.00 for most average size 4 cylinder vehicles but may be higher for some difficult to hook up to vehicles or larger capacity 5, 6 and 8 cylinder engines.

The Stag AC LPG System has some unique features not present in most of its competitors systems and it’s our opinion that many of these are as a result of the Stag software engineering team’s reaction to their installer’s requests. When in limp mode the vehicle may have restricted power and, if fitted with an automatic transmission, it may even lock into top gear to limit acceleration. Better operating efficiency: Engines that have received EGR delete just perform better. While monitoring ‘pre’, and on some vehicles ‘post’, DPF differential pressures, the vehicles’ management system monitors the current state of the DPFs and detects if one or more are present. Getting rid of your EGR is only part of the solution. If both passive and active regeneration attempts have failed and, as a result exhaust back-pressure has become excessive, the vehicle will soon go into ‘limp mode’, lose most of its engine power and  be almost impossible to drive.

To reduce cost, all brackets are usually manufactured using galvanised steel so that they don’t require painting. Isuzu Elf 4JJ1 DPD Delete EGR Delete FIXED Immobilizer problem Engine Tune for More Power and Torque The truck won't start for almost a year.

act like a fuel and quickly ignite inside the DPF, causing a rapid rise in EGT’s (exhaust gas temperatures). That’s where Diesel Spec comes in – we offer EGR delete and tuning services on the largest variety of engine makes and models in the industry, and the engines that we service include Isuzu.

Our DPF & EGR Delete solution provides clients with the improved reliability they seek along with the welcome addition of increased power, smoother driveability and better fuel economy. Having found that a forced regeneration or chemical clean of the DPF has been unsuccessful, some people who wish to keep their vehicle to the manufacturers original specification, may chose to fit a replacement unit.

All diesel engines smoke under hard acceleration, especially when cold, due to the entire diesel not being burnt. It’s the advanced driveability features and proven reliability of the AC.Stag system that make it in our opinion the best LPG/CNG system currently available anywhere in the world.

CRD Performance now have available a full range of emulators which are programmed specifically for each vehicle make and model. Tartarini make their own reducers and injectors but then buy their electronics from AEB, Lovato do similar but also buy their reducers from Landi Renzo. Any necessary repairs should then carried out and, lastly, the car’s computer reset so that it knows a new DPF has been fitted. For more detailed information about these cookies please see our privacy policy. Some customers, while having their ECUs re-programmed to delete the DPF, take the opportunity to have their engine re-mapped for additional power, better driveability and better fuel economy. Sometimes an Isuzu DPF cleaning can cost as low as $500.

These injectors are subjected to much greater temperatures and rely on the cooling effect of the petrol flowing through them to prevent the combustion heat from damaging the tips. An EGR delete consists of having the exhaust gas recirculation system – a problematic vehicle component – eliminated. This procedure can only be carried out if the engine is still in a normal running state and not in any limp mode, sometimes it is possible to clear any DPF fault codes causing the limp mode and then carry out the Dyno-Clean. As we noted above, the EGR is one of the most problematic vehicle components, especially as it pertains to the diesel engine. Software DPF removal involves reprogramming the vehicle’s ECU to ignore any abnormally high or low readings from either the pre or post DPF differential pressure sensors. Why not call us to discuss your requirements and your budget.

The LPG injectors will be installed using correct size jets and manifold nozzles to ensure faultless driveability and performance, these will be installed in a cosmetically pleasing way ensuring all wiring is shortened where necessary and neatly loomed using black cloth tape.

Installations carried out in one day can’t possibly allow for any quality control or margin for error. We have seen these symptom more and more on Isuzu “N” and “F”, GX and Giga series trucks. EGR Delete is an Off-Highway Tuning service intended solely for closed-course racing and off-highway driving. Any pipe-work and components are fitted in the least time consuming way possible, avoiding any unnecessary removal and refitting of panels and vehicle trim. Sadly, due to the lower purchase cost of some of the Eastern European LPG kits, they can attract less competent installers who, for very little cost, will fit a full LPG system in a day (a day!).

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