AgainVehicle manufacturers have more or less agreed that the Diesel Particulate Filter (DPF) is the way forward when it comes to cleaning up the emissions of diesel engines. Something went wrong while submitting the form. This may be caused by over voltage. Isuzu’s commercial vehicles are sold in many markets worldwide, and the brand is renowned for their commercial diesel-powered trucks, buses, and construction equipment. A wide variety of isuzu common rail injector options are available to you, such as local service location, type, and car fitment. isuzu common rail diesel problems. A GVM upgrade is possible through new suspension and there are kits around that are already certified and will do the job. At which point the vehicle’s emission-controls aren’t working and it’s – technically - unroadworthy. This may be caused by over voltage. But the DPF has a problem, and it’s one that affects not only the Isuzu models we’re talking about here, but pretty much all vehicles that use the technology. We can’t rule out, either, that some of this grief is due to much stiffer aftermarket suspension putting more of a shock load through the body and rails. Fault fuel injectors in a diesel engine. Also 7% diesel in … This is not a simple job, if only because of the degree of disassembly required to get to the affected bits and pieces. I have been using their engine and. I was looking at having to replace my injectors at $5000.00 . All the other cars are running well too.The Rust Conqueror is AMAZING. The CRD additive in the fuel has improved. Those exhaust gasses that are given a second trip through the engine contain soot (a normal component of a diesel’s exhaust emissions) and when they combine in the EGR valve with the oily fumes from the crankcase, the oil and soot can quickly turn to a black, sticky gunge that can clog up the EGR valve and coat the inlet manifold, reducing its effective diameter. The 4JK1-TC is a common-rail direct injection intercooled turbo-diesel engine. Great product. And when you do have the tranny serviced, ask for the old filter, take it home and cut it open to check for any black, solid deposits that could be burned bands or clutch material. And it’s worse for a business, which is why most workshops will run a mile before agreeing to carry out this modification. Transmission choices were limited to a five-speed manual or five-speed conventional automatic but it’s fair to say the majority out there for sale second-hand have the cost-optional auto fitted. In fact, it’s a big bodywork deal in most cases. At Unsealed 4X4, we’ll give you up-to-date 4X4 news, reviews and how-to's to keep you in fine form. During refueling, it is possible for water (and other contaminants) to be pumped into the fuel tank along with the diesel fuel. Yes, the Isuzu has a transmission-temperature warning light that will illuminate, but like most of these warning lights, the damage is often done by the time the light flickers on. The FTC Decorbonizer has save $$$ in diesel engine repairs for friends and family.No wonder the mining industry uses CEM products as part of their maintenence schedule.Yes, I'm a devote regular customer. Isuzu’s official line is that the D-Max and MU-X are already fitted with a heavy-duty trans cooler from the factory, so no additional hardware should be required. What’s that tapping noise?The Isuzu 3.0-litre turbo-diesel doesn’t have hydraulic valve-lash adjustment, so checking and setting the valve clearances is a routine maintenance job. Both variants used a body-on-frame construction with a ladder chassis. With a reputation for building class leading engines that work tirelessly under the harshest of conditions, there’s only one way to describe the performance and reliability of U / W Series Isuzu engines. Those DPF blues. © Copyright 2017. Once you have that info, you can move on to a fix. Or replaced, if you’ve been really unlucky. Check the colour and smell of your trans fluid. As it's a diesel it's probably not the right word, but what it does is like a misfire in a petrol engine - it "staggers" under acceleration. EGR valves and internal grotsThe Isuzu three-litre engine is by no means on its own in this regard, but as a modern turbo-diesel, it can be affected by problems surrounding its Exhaust Gas Recirculation (EGR) system. Make sure the rubber boots are also kept in good shape and even the smallest nick or split in the rubber means curtains for the CV within. Rugged and generally dependable, the Isuzu twins have racked up plenty of kilometres between them and plenty of fans along the way. They were so helpful. The biggest result of Common rail diesel injector failure is due to excessive back leak or return flow. Long term, you could easily damage the valve stems with loose clearances or damage a cylinder with not enough (tight) clearance. How to check its diesel injectors with direct injection (common rail) by comparison of diesel return flow. Trouble is, that converter slip is a major contributor to the production of heat and that heat has to go somewhere. But that’s not actually a very good idea at all. Also, keep an eye on things in the longer term. After using the AW10, it is quiet and the temp takes a while to get to it's working temp. Be sure not to over-tighten the rocker-cover (or it’ll crack) and make sure any grots that fall into the engine as you remove the rocker cover are picked out and not left to cause mayhem in the diesel’s upper-cylinder area. 1,500k. And aside from leaving yourself open to a monster fine, the car will also be rendered technically unroadworthy and you might even find your insurance company will use such a modification as a reason to not return your calls. Don’t let the vehicle select a too-high gear on a twisting uphill road. That then makes it a lot easier for you to decide what action you need to take to solve your particular problem—at low cost—before it becomes more serious! Try again. That said, we know which way most owners will go. COMMON SENSE: UNDERSTANDING TYPICAL COMMON RAIL DIESEL PROBLEMS. Im working on a 2005 GMC cab over with a 5.2L Isuzu engine in it. Not cheap, and definitely not easy. coursed injection nock by googling this products I tried it and problem fixed. The Common Rail Diesel (CRD) injection system is the most recent development to achieve ever more stringent diesel exhaust emission standards, but it is currently associated with widespread problems, including engine rattles, expensive injector and fuel pump failures, injector sticking, stalling problems and rapid piston and liner wear. It was used in the Isuzu D-Max Low variant or base model in Philippine market. *Xantia ABS ECU failure. Yes, the Japanese ones might cost more, but it’s definitely a conversation worth having with your service workshop to make sure the replacements aren’t going to fail even faster than the OE stuff. In the first place, the best thing to do is get an idea of what’s happening to your trans temps before rushing out and buying more hardware. My D-Max is 7 years old and has 200K on the clock. Some owners reckon the best modification is to disable (block off) the EGR valve and therefore prevent it working at all. {Items common to all CRSs: CRS development process, The cause of this would be internal worn parts ie your pilot valve, nozzles or seals. The recommendation is to have this done at every service, and while the treatment can easily cost $100 a pop, it’s still cheap compared with the alternative. |, Improve Fuel Economy and Boost Engine Power, FPC Treatment Ratios, Packing & Dosing Systems, Fuel efficiency and emission reduction trial NSW Surface Mine, Fuel efficiency and emission reduction trial, Cleanpower Fuel Treatment and Fuel Injector Cleaner, CRD Fuel Enhancer for Common Rail Engines, Flushing Oil Concentrate & Cleanpower Value Pack, Flushing Oil Concentrate & CRD Fuel Enhancer Value Pack, Rusted Solutions Rust Remover Liquid Soak. But, as with any used vehicle, there are things to watch for and things you can change to make them better. And ironically, a competition car that is driven flat out everywhere is one that wouldn’t have DPF problems in the first place. This manual describes the Common Rail System (CRS) equipped with the 4HK1 and 4JJ1 engines used in the ISUZU ELF. In line with emissions controls mandated by the governments of the world, an EGR valve allows the Isuzu engine to consume a percentage of its own exhaust gas as a means of cleaning up tailpipe emissions by burning that portion of its exhaust twice. The Isuzu D-Max and MU-X twins are popular amongst the 4X4 fraternity because of the simple, hard-working engine and reliable mechanicals. Jimmy and I are here to help, so give us a call on   07 33766188. Bought Decarbonizer and the Flushing Oil Concentrate to use on my tractor and excavator, sadly a, bit too late for the digger....needs a rebuild. drivetrain lubricants, optimisers, and internal engine cleaners for years, and truly believe there are none better - at any price. Fault fuel injectors in a diesel engine. Common rail diesels have been with us for 10 years now, and there’s no sign of their problems abating! economy, helped it work easier and cleaned up the insides of the engine. Make sure you fit new injector seals and a rocker-cover gasket at the same time, too, as only the greatest optimist in the world would ever re-use a gasket and think it won’t leak. Steve Temple 2016-03-10. Peak torque is 333 Nm, peak power is 140 PS (103 kW) at 3,000 rpm. This manual describes items specific to the parts used in the CRS for the 4HK1 engine. Citroen Common Rail HDi in tank fuel pumps failing Citroen Airflow meters prone to throttle potentiometer problems. 2011 Isuzu NPR 5.2L diesel —diesel gas is leaking from the area (rail) where the lines that connect to the fuel - Answered by a verified Technician. Not to be used in conjunction with any other offer or discount. Things like real-time trans temperature, for instance. We use cookies to give you the best possible experience on our website. 95.4 mm (3.76 in) 87.4 mm … With over 25 million units worldwide, Isuzu is the largest producer of commercial diesel engines. Why doesn’t it just burn them off and turn them to ash in real-time? The advantage of having the fuel in the common-rail at extremely high pressures, and close to the injectors, means that the required fuel can be injected into the combustion chamber in an extremely short period of time. And if there’s one thing an automatic transmission hates, it’s heat. Under 100-degrees is far better, and lower is better again since auto trans experts will tell you there’s no such thing as over-cooling an auto. I first saw the XTroll rust treatment way back in the late 80's. The four-wheel-drive system was a fair dinkum one which used Isuzu’s Terrain Command rotary dial to switch between two-wheel-drive, four-wheel-drive high-range and four-wheel-drive low-range where the 2.48:1 reduction ratio applied. Don’t be tempted to go more than two inches (45mm) though unless you like roadside chats with the boys in blue and you’re prepared for your insurance company to disown you should the unthinkable happen. Use of these three products as directed will successfully eliminate over 80% of all common rail diesel problems. The cause of this would be internal worn parts ie your pilot valve, nozzles or seals. The D-max only comes with the one diesel engine option in … Over time I lost the can and moved states. A two-inch lift mightn’t sound like much, but it can be all the difference in rough going. By hard, we don’t mean at highway speeds of when simply off-roading, but hard as in towing a 2.5-tonne caravan on a long, windy, uphill section of road. Some geniuses will also tell you to bypass the DPF altogether. Using FTC Decarbonizer and are totally converted . The big difference between the D-Max and MU-X (body style and interior packaging aside) is that the D-Max got a conventional leaf-sprung rear axle, while the MU-X scored a better-riding, independent coil-sprung set-up. For CRS basics, refer to the "COMMON RAIL SYSTEM SERVICE MANUAL -OPERATION (Doc ID: 00400534EA)." The suction control valve 04226-0L010 plays a critical role in the common rail diesel injection system, and is also one of the “usual suspects” in common rail diesel faults. Instead of plonking a winch way out front where it has the maximum leverage on the chassis members, it might be better to mount it back towards the front axle, maybe on a cradle that bolts between the rails (as if you were using an alloy bull-bar). The Drivetech 4x4 Enduro Pro remote reservoir monotube shock performs even better than it looks. As a result of a model change to the ISUZU 4HK1 engine beginning from May 2010, the Common Rail Sys-tem (CRS) has also changed. Simply add CRD Fuel Enhancer to your diesel and common rail injector problems are solved. The faulty parts allow the fuel to travel back up the injector to the fuel system or diesel tank. The best advice is to replace these as with any other service item and never have to worry about them again. If it’s allowed to go unchecked, the layers of oily soot soon build up and the EGR valve becomes jammed open. Most of the potential problems in a modern common rail diesel system engine can be explained by a drop in fuel pressure or engine compression, insufficient fuel supply, or fuel contamination. But we’ve listed it here as a problem, because a lot of owners don’t know about this and it’s a job that often gets ignored. Again, this is not a problem unique to Isuzus but it is one that can’t be ignored. The other solution to the problem is to drive around it. The only 100% foolproof, legal way to fix the cracks in the engine-bay sheet-metal involves replacing those parts of the bodyshell structure. And don’t forget to replace the boots at the same time. It could be, for example, that the pump is not producing enough pressure. Ive been getting the P0087 and P0093 codes under hard acceleration and cant find the answer to my problem anywhere so im hoping someone on here can help! 2' is hardly succinct, but Iwao Sasaki isn't one for cutting corners. The faulty parts allow the fuel to travel back up the injector to the fuel system or diesel … Other times it won’t be, which is when you have to take a deep breath and front up at a workshop to have the filter either manually cleaned or, in extreme cases, replaced outright. (1) The fuel pressure is raised to a high level up to 120 MPa by the supply pump, then delivered under pressure to a small reservoir called the common rail that temporarily holds the fuel before delivering it to each of the injectors simultaneously. The situation is eased by never driving off-road and never driving hard, but whoever bought one of these to avoid that sort of fun? Why your common rail needs a catch can and fuel pre-filter The modern diesel engine is a pretty awesome thing. Be careful how high and how stiff you go when lifting or attempting to improve the load carrying of an Isuzu (or any other make and model) and be careful how radical you go suspension-wise. Suddenly, that hundred-buck shot of aerosol is looking pretty cheap. Chassis have been cracked , too, mainly at the front where big, heavy bull-bars and winches have been fitted, effectively cantilevering off the rails. That said, you can buy a kit that deletes the DPF but take it from us, its strictly for competition, non-road-going cars. Sometimes a good run down a road at a decent speed will be enough to get the engine hot enough to allow the DPF to burn off. Most of them these days are coming out of China and, at the risk of starting a trade war, they’re generally not as good as the CVs being made in Japan. But then, it doesn’t have to be if you make it part of your regular maintenance schedule. It seems the cracks are caused by either stress or metal fatigue and are most likely to show up on the suspension towers, near the VIN plate or low down on the inner guards. Starting with the basics, a high-pressure common rail fuel injection system (HPCR) used in the GM and Dodge heavy-duty pickups since the early 2000s is quite different from the previously used Pump- Line- Nozzle (PLN) systems (like those found on a P-Pumped Cummins for example, but not like those found on HPOP equipped Power Strokes). ... That is the common rail . It was used in the Isuzu D-Max Low variant or base model in Philippine market. this engine is: The 4HL1 is a common rail direct injection OHC 16V high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. The thermal shock involved in not doing this can make the bearings take a big gulp of water, rather than the seals keeping it out. Are you hungry for the latest in 4X4 news, reviews and travel? Injector wear is a problem with all common-rail diesels, not just the Nissan. This manual describes items specific to the parts used in the CRS for the 4HK1 engine. It could alter the way the air-bags work, too, but then so does fitting a big bulbar. You want your equipment to last, Use the AW10 and XTroll. Works so much better than anything else I have tried. The practice is highly illegal and the fines for an individual tampering with a vehicle’s emissions-control system can be massive. Animated video about VDO Diesel (Common Rail Diesel) - Hier stellen wir Ihnen die Common Rail Diesel Technik - Speichereinspritzung - von VDO vor. In fact, the trade suggests that the warning light only comes on at a temperature of 134-degrees, which is way beyond what we’d be happy seeing. That’s the bad news. If you already have heavy inlet deposits, and there may be 2-3 cups of gunk to deal with, we recommend that you physically clean them, rather than spray solvent through your intake and risk serious engine damage. Isuzu developed this direct-injection diesel to drive next-generation SUVs and the passenger cars. The chip won't be causing your ticking noise; that will be a mechanical noise. Citroen Saxo ECU's failing - IAW8P80, IAW8P81 Common rail diesel technology - new problems Sagem SL96 ecu - coil pack failing leading to damage to ecu. You need to determine where the noise is coming from to be able to locate the cause. What Are Some Common Problems With the Isuzu Rodeo? I have been using the FTC Decarbonizer for the last. That said, our experts reckon there’s a limit to this before the winch gets in the way of the air-con condenser and everything else at the front of the engine bay. I searched for the XTroll and found it with the Cost Effective Maintenance team. The major culprits are likely to be the fuel injectors, high pressure pump, fuel filter, fuel pressure sensor or regulator, glowplugs, or crankshaft sensor. My mechanic has warned me the engine on my Winnebago Motorhome (Chevy 6.5L turbo diesel, 17 yrs old, 225k on the clock) was exhibiting signs of blow-by. Never looked, The best thing I could of ever do for V8 land cruiser as I had bad fuel so water in fuel and. Isuzu D-max Common Faults. Make sure you fit good quality units. The problem there is that many of them only find out when they have new tyres fitted and the tyre shop phones to say that the wheel alignment can’t be done because there’s too much play in the wheel bearings. But the EGR valve is also involved in ensuring that crankcase fumes get burned in the engine and don’t escape into the atmosphere, and that’s where the ducks of doom start to line up. It has made a HUGE difference in all of them. Isuzu is a Japanese commercial vehicle and diesel engine manufacturer headquartered in Tokyo. If your engine already has heavy coking of combustion chambers, turbos, EGR’s or Diesel Particulate Filters, we recommend you also use. When you re-grease bearings, remember that unless you have have a small bead of grease forming at the seal, the bearings are probably not full of grease. and first generation Chevrolet Colorado produced in Thailand. Terms and Conditions: Offers available between 23 September - 30 November 2019 at any ARB store or authorised stockist in Australia. Shop there had replaced second hand H.P. The biggest modification you can make to avoid the DPF becoming clogged is to modify your driving patterns. junk Barina that I drive to the train station had a noisy engine and it got hot fast. no job stated, no problems stated, no symptoms stated. Front-wheel bearing wearWhen you think about the life led by an off-road four-wheel-drive, it’s a wonder they last any time at all. You won't regret it. Of course, by that stage of the game, the joint is already shot. Most of the potential problems in a modern common rail diesel system engine can be explained by a drop in fuel pressure or engine compression, insufficient fuel supply, or fuel contamination. Mechanically the D-Max is brilliant. Forward this page by e-mail or share it directly on social media. Let our team of motoring experts keep you up to date with all of the latest Isuzu D-Max issues & faults. But the tractor was a definite improvement, the engine ran sweeter and a lot less gunk from the exhaust, really noticeable. Isuzu Trooper (Bighorn) 4JX1 Engine Common rail injection. The stuff isn't cheap but it is more than worth it. Manually pull it back a gear, allowing the engine to get into its comfort zone and the torque converter to slip less, thereby producing less heat. It seems as though the way the Isuzu chassis is constructed allows for the front rails to flex and that, in turn allows the bulbar to `rock’ from side to side, magnifying the metal-stressing effects. You can re-pack the bearings yourself if you know how to spot the wear signs, or a workshop can do it pretty cheaply as an add-on to your regular oil change service. Isuzu Dealership personnel, whenever possible, should encourage Isuzu customers to follow the Diesel Fuel System maintenance outlined in the owner’s manual. The suction control valve 04226-0L010 plays a critical role in the common rail diesel injection system, and is also one of the “usual suspects” in common rail diesel faults. You should be able observe rough running, perhaps black smoke from the exhaust, and high fuel consumption. Always use an appropriate grade and type of grease, remembering that, at some point during the next school holidays, the vehicle will be standing sills-deep in (possibly salt) water. Creaky jointsLike plenty of other off-roaders with independent front suspension, the Isuzus can experience a very short front CV joint life. The car runs really well now. The car was running powerfull but it had the problem … Since so many of our customers own common rail diesels, Jimmy and I thought we should help you to identify and understand the sorts of problems regularly encountered. We have an Isuzu as above at work - under 2 years old but 66k miles so 6k outside of warranty

It has starting problems and increased fuel consumption. I am looking forward to its next service to see what the mechanic has to say. That way, you’ve taken a huge amount of stress off the rails and that’s got to be good news. Regardless of what body style you chose, the powerplant was the same; a large capacity four-cylinder turbo-diesel that cranked out 130kW of power and 380Nm of torque from as low as 1800rpm. The availability of a crew-cab or dual-cab for the D-Max as well as a styleside or cab-chassis option has ensured it can be put to a variety of tasks, while the MU-X’s seven-seat layout has kept it relevant for adventurous families. In turn, that makes the radiator coolant hotter which makes the engine run hotter and suddenly you have yourself a nice little vicious circle of heat-creep. It is an Isuzu - derived engine using Denso fuel supply sistem, icluding Denso high pressure diesel pump and suction control valve. The 4JK1-TC is a common-rail direct injection intercooled turbo-diesel engine. Thoroughly recommend, the only suggestion is to maybe reconsider the product names....bit confusing. For more information visit www.arb.com.au/air-lockers. You’ll be able to identify poor valve adjustment by a ticking noise from the top of the engine that is usually worst on cold start-ups. Refused to start for about one year. Yes, you can weld the cracks up but at that point, you’re technically altering the crash signature of the structure and that’s kind of a no-no when it comes to the way the car performs in a shunt. and first generation Chevrolet Colorado produced in Thailand. But, it’s not all smooth sailing, here are some of the problems and solutions we’ve heard about. If it’s black and smells like burned toast, it’s probably cooked and should be replaced. In most cases, that somewhere is the factory trans cooler which is part of the radiator’s bottom tank. Don’t do it, basically. It was fantastic back then. Newer engines have High Pressure Common Rail pumps and injectors, and some of this information is geared to that fuel system. Diesel Engine Trouble Shooting Chart . Maximum torque is (34.0 kg m)'/1,500 rpm. Cost Effective Maintenance. Although common rails are an improvement from prior types of fuel systems, they’re not without their issues. Have been using CEM products for nearly 20 years. As for the front rails, the best advice is to use the lightest bull-bar that will still do the job and think about where you mount a winch. You might as well also add a two-inch lift as this will not only give the vehicle even greater load carrying ability, it’ll also make it more fun and more capable off-road. Even if you don’t want to change them periodically, at least have them inspected at every service. Mr. Common-Rail Diesel WRITTEN BY: DAVE HARDING As far as job titles go, 'Chief Engineer at Isuzu Motors Limited's PT Product Planning & Engineering Dept. Load them up and there’s just too much rear sag and that translates to iffy steering and a loss of braking performance in a big emergency. Or maybe not; if the temps don’t get to a point where you should be worried. These products are simply the best there are. In the case of the Isuzus, many owners have found that front bearing life is sometimes less than 50,000km. Demonstration on Peugot 206 HDI 2.0. Yep, the DPF’s role in life is to trap some of the harmful emissions, store them and then burn them off at a later date. Will definitely be using CEM for all my vehicles, got the stop smoke pack for my D4D which was, acting a bit sick and blowing smoke at all rpm’s and after a couple tanks smoke is gone and vehicle seems to be more responsive.Thanks guys, In town so I decided to restock. So very impressed so thumbs up . Great product, Frankly, I am astounded with the difference. And even underground car-parks with their tight spaces and twists and turns like a politician before an integrity commission, can use up a CV joint (not just an Isuzu one) in double-quick time. For CRS basics, refer to the "COMMON RAIL SYSTEM SERVICE MANUAL -OPERATION (Doc ID: 00400534EA)." However, we’ve never heard anybody blowing a motor to bits through servicing the engine regularly and treating it with some respect. Got a problem not listed above, or need more detailed advice on how to best resolve your common rail problems? As a result of a model change to the ISUZU 4HK1 engine beginning from May 2010, the Common Rail Sys-tem (CRS) has also changed. Modern diesel engines work at very high pressures so any dirt can cause a reduction in performance.. A common problem is low fuel pressure. Popular engines: ISUZU 1.7 4EE2 Whenever we think of ISUZU, which we never do, it's usually a tiny bus, ridiculously high for its length and width, that we have in mind, most likely provided by a travel agency as a part of a low interest optional trip to some God-forgotten village. There is now no evidence of smoke from the exhaust under load, the performance has improved, the engine just runs smoother, but incredibly it starts first time after being a difficult starter for several years.

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