The injector has a solenoid and valve within and the operation, or pulsing, of the solenoid is controlled by the powertrain control module (PCM). It is always interesting to see the comparison between used, dirty fuel injectors and nice clean units! Diagnosis is usually an hour of labor, though if an injector fails electrically and triggers a code the diagnosis of that is about as simple as they come, and many shops would fold that into the replacement labor. For particularly old or inexpensive injectors, replacement may be the best solution. A 2008 Chevrolet Cobalt 2.2L has an intermittent rough idle with a check engine light. This cleaner will be poured into a flushing cylinder that helps pressurize the contents. amzn_assoc_linkid="41cefbfa0c375d3317770f3ba0542848"; The circuits involved are relatively simple, and diagnostics are straightforward most of the time. Electrical failures affect the solenoid side of the injector, and they can be caused by a failed solenoid winding, bad connection, faulty wiring or a bad ECM. You consider a fuel injector dirty when the additives and the hydrocarbons, which all constitute today’s fuels, together with carbon and engine gunk, results in restriction in the injectors. If the injectors are clogged you’ll need to have them cleaned by a professional. The average cost for a Fuel Injector Replacement is between $588 and $708 but can vary from car to car. These can all be signs of a fuel injector that may need to be cleaned. Diagnosing a clogged injector is not always easy because it acts the same than a bad coil, a broken spark plug wire or a bad spark plug. amzn_assoc_region="US"; $144 - $175 . This can be a problem, as without properly functioning fuel injectors, it is impossible for your vehicle to run. Professional Fuel Injector Cleaning For more severe cases of dirty or clogged injectors, a more expensive professional cleaning is required. You should pay somewhere between $250 and $350 to have the fuel injector replaced. I paid $139.99 for a fuel system clean. If any other repairs or maintenance is needed, such as an oil change, additional fees can apply depending upon the service rendered. There are three main kinds of gas-engine fuel injector: TBI, or throttle body injector – This is the simplest and oldest set-up, where a single injector sits in the throttle body and supplies the fuel for the engine. 5. Yes. Without a fine mist of fuel, the combustion process becomes inefficient and fuel is wasted. Some 80-90% of the fuel is just used for cooling the injectors, and is continually recirculated, resulting in loss of lubrication and poor injector … Direct injection – This uses a single injector for each cylinder, but instead of spraying into the intake system they inject fuel directly into the combustion chamber. This is by far the most common set-up, with some advantages in efficiency over the older TBI arrangement. The technician gets code P0304 for a cylinder 4 misfire. Cleaning a fuel injector is a great way to maximize the fuel efficiency of your car and reduce emissions. The cost for the cleaning was $89.99, plus the $50.00 labor cost. $429 - $537 . Once again, the motor will be started up and this mixture will, again, clean the injector. Clogged Fuel Injectors – Many things can clog up the fuel injectors. About Us | Contact Us | Privacy Policy | Amazon Affiliate Disclosure Copyright © 2020 | Proudly affiliated with the T2 Web Network, LLC The information contained on this website is intended as an educational aid only and is not intended as medical and/or legal advice. amzn_assoc_search_bar="false"; There is no predictable service interval or expected lifespan, so injectors are usually only replaced when they have failed. Many experts recommend that unless you “check engine” light comes on, there is no reason to bring it in for a cleaning. Another inexpensive way to save and clean your fuel injectors is to use an injector cleaner that you pour into your fuel tank. Dirty Fuel Injector Symptoms. While a professional mechanic may charge you between $50 to $100 to clean a very dirty injector. This will drastically reduce fuel economy and cost you more at the pump. The gas additive cleaner is the more important thing for cleaning injectors and maintaining a good spray pattern, and it can be done simply and cheaply with products widely available to consumers. It’s fairly easy to diagnose and replace. This residue can clog the injectors, impeding the spray. amzn_assoc_placement="adunit0"; This is comparatively cheaper than spending $300 on a new injector. A restriction in fuel by more than 8 percent can often cause an engine to misfire. Use fuel system cleaner to purge water from the fuel system. amzn_assoc_ad_type="smart"; The technician diagnoses the high-pressure fuel pump as failed. There are many places on the internet that perform this function when you mail your injectors to them for around $100. Those deposits could be from dirty fuel, or potentially created by the extremely high pressure, high temperature and fine clearances of the common rail circuit. 1. However, leaking injectors are a fire hazard, cannot be repaired, and must be replaced. A 2015 Audi A4 2.0L runs rough and lacks power. A restriction of only 8% to 10% in a single fuel injector can lean out the fuel mixture and … What is this?? $610 - $739 . Typically they will ultrasonically clean your injectors and back flush them to get all the They then replace all the o-rings as well. On a modern vehicle this will set a code and turn on the engine light, and then diagnosis follows the specific code. If you have a car of this type, you should get your fuel injectors checked about once a year or simply clean them yourself. Cleaning the fuel injectors on your Ford vehicle often can be … Since it can take well over an hour to access and evaluate fuel injectors, injector maintenance is done by time and mileage intervals rather than from direct inspection. A faulty fuel injector will cause the corresponding cylinder to not be able to fire. Also, having clean fuel injectors will help you save money on gas since it helps your car run more efficiently. The cost of cleaning a fuel injector is going to depend on the make and model of the car, your geographical location and where you plan on getting the cleaning done. Some companies even allow you to ship them your dirty injectors where they’ll clean them for around $15-$20 each and then ship them back. If you know this is the root of the problem and you insist on fixing it, always try to get at least three to five quotes before deciding on a professional. They charged $30.25 for miscellaneous. 4. Fuel injectors rarely fail but, they do get dirty. While the engine is idling, the second step will be prepared which is usually a super concentrated cleaner mixed with gasoline. This was the amount including a $50 labor charge. For direct injection, it includes faulty injectors, high-pressure fuel pumps, leaks, or internal engine damage. Yes, but it’s a bad idea. For multiport injection, it can include leaking or sticking injectors, fuel pressure regulators, injector seal leaks, as well as clogged spray ports. And while getting your injectors cleaned by a professional isn’t overly expensive (ranging from $50-100), having them changed because of irreparable damage can cost A LOT more. As injectors get dirty and the fuel flow becomes restricted, the computer will attempt to adjust the fuel flow by opening the injector longer through the use of its Long Term Fuel Trim function. Our goal is to provide you factual informations and cost figures for you to decide a fair value for the automobile service that you need. Multiport fuel injector – It just means there’s a separate injector for each cylinder. What Can Go Wrong With Fuel Injection Systems? The fuel injector is supplied with fuel pressure from the rail and the ECM (electronic control module) controls the electrical signal to the injector; opening it for a specific amount of time and injecting the proper amount of fuel into the cylinder. Clean the fuel system from the gas tank by adding a premium formula fuel system cleaner. The engine does not make power. It can become a crusty coating on the injectors because of the heat within the engine. Although this is a cost up front, it can help you save money in the future. When the fuel injectors get dirty, this can restrict the fuel flow, reducing the car’s MPG ratio. $243 - $353 . Leaking fuel injectors are often caused by a bad a crack in their body. Restrictions. We recommend cleaning fuel injectors at least every 36 months or 45,000 miles. So as a follow up from my last video on how to test fuel injectors, here is a video on how to clean fuel injectors yourself. Symptoms of a clogged fuel injector: Engine runs very rough; One, multiple or all the cylinders are not firing. Whether the failure is on the electrical side or the fuel side it would cause a misfire which the ECM would detect, setting a code and turning on the check engine light. If you also find that the fuel injector is dirty, have it professionally ultrasonically cleaned to remove all dirt. Restricted Fuel Flow. The average cost to replace a fuel injector on most vehicles, which is one of the more common repair needs, would be about $140, excluding diagnosis. Gasoline is made up of ingredients that eventually leave residue buildup inside and around the tips of fuel injectors. This is slightly more efficient, and is becoming more common. For instance, PepBoys.com offers three packages that range from $9 to $90. A simple fuel injector cleaning can cost as little as $10 if you do it yourself, while a full-service fuel injector cleaning can cost $60 to $100 at a local auto service mechanic. Never pay more than $100 for a cleaning. For instance, PepBoys.com offers three packages that range from $9 to $90. A simple $9 cleaning includes a concentrated fuel injector cleaner, whereas a $90 package includes a full injector throttle body service, in-tank fuel system cleaning, visual inspection and a concentrated fuel injector cleaner. During most professional cleanings, the mechanic will use what is known as a “three-step process.”  During the first step, the mechanic will add the cleaner and allow the engine to idle for 15 minutes. If a new injector is needed, this can cost an additional $100. amzn_assoc_title="Top suggestions (and the updated price)"; A misfire is usually caused, and that either puts the engine into limp mode, or circulates raw fuel into the exhaust where it can damage the catalytic converter. Vehicle Won’t Start or Struggles When Starting. Remember, unless you have a performance problem, there is no need to consider this repair. Furthermore, you should be happy to learn that cleaning is the cure for most bad fuel injector problem. Land Rover LR3. Expect to pay anywhere from $50-$100 for this service. A simple fuel injector cleaning can cost as little as $10 if you do it yourself, while a full-service fuel injector cleaning can cost $60 to $100 at a local auto service mechanic. Many manufacturers recommend an intake system cleaning on a 15,000 to 30,000-mile interval. Please read our disclosure policy for more info. If the price is higher than this, it is best to look elsewhere. If the fuel injector needs to be replaced, it will cost much more than a cleaning. Engine Vibrates. The business end of fuel injectors can’t be seen while the engine is running. When they are dirty but not yet clogged, you may be able to clean them with a good fuel injector cleaner. A clean engine is the key to a well-running vehicle, and periodically you may need to use fuel injector cleaner. I don’t want to alarm you, but fuel injector replacement cost can reach well into the hundreds of dollars. Lubricate valves, cylinders, injectors, and rings. Engine does not want to start. Basically, you could still buy a top-rated fuel injector cleaner for just a sixth of the cost. If you do not have a trusted mechanic, it is always best to get a second opinion. Toyota FJ Cruiser. Jiffy Lube, another popular franchised-based mechanic chain, charges close to $100 for a cleaning. Older cars with pintle-style multi-port injectors are most susceptible to clogging. When this occurs they must be replaced. Mechanical failures of the injection system differ depending on the type of system in the vehicle. amzn_assoc_default_search_phrase="Fuel Injector Cleaner"; After the 15 minutes of idling is over with, the mechanic will disable the fuel pump and hook up that flushing cylinder. How to clean fuel injectors. … A fuel filter is often recommended during the cleaning and can cost an additional $50. Older, carburetor-fueled systems may require a periodic cleaning to prevent clogs, while today’s newer cars won’t need a cleaning unless a problem arises. Fuel Injector Replacement Cost … amzn_assoc_marketplace="amazon"; A fuel injector is a fuel metering device that sprays atomized droplets of fuel in a specific pattern into the engine’s intake manifold or directly into the combustion chamber. Seal and filter replacement: We replace all standard injector seals - please make sure you include the injector seals with your injectors … A dirty fuel injector impedes normal fuel flow and results in decreased fuel … Cleaning injectors tend to be a big scam among many mechanics. The fuel injector delivers gas to the engine and is an electronically controlled valve that opens and closes many times per second. Also, you can get a bottle of fuel injector cleaner for less than $15. Infiniti Q60. The fuel system of a modern computer-controlled fuel injected engine is so reliable that it seems to be almost maintenance free, but these modern fuel injected engines have fuel injectors that become flow restricted or “dirty” with use. … Benjamin graduated with an Associate’s in Applied Sciences (AAS) degree in Automotive Technology and has worked as an ASE Certified Master Automobile Technician. Fuel injector cleaning or carburetor cleaning, intake valves, and combustion chambers with fuel system cleaner. The technician diagnoses injectors sticking and recommends an injector cleaning. It is connected to a fuel rail, and when the solenoid is energized a valve opens allowing fuel to pass through the nozzle end. As we see, the cost to replace fuel injectors can vary fairly widely depending on what type of repair is needed which can be anywhere from $10 to $200 for a simple electrical repair or injection cleaning service, and it can run much higher if more parts and diagnosis are involved. amzn_assoc_tracking_id="gotalkmoney-20"; For cooked-on residue, it usually requires a full ultrasonic cleaning to get the fuel injectors back into fighting shape. In the case of simple debris in the injectors, a fuel injection flush is a cost-effective way to improve fuel injector performance. One or more cylinders are not firing. Notify me of follow-up comments by email. Keep your ears peeled for the engine clanking, a rough idle, loss of power, or an engine misfire. This buildup restricts fuel flow and affects fuel … Because fuel injection is a complex system, the costs associated with a repair can vary fairly widely. While parts should cost between $140 and $190, labor will run you $120-$160. In most manuals, they will not recommend this type of repair. $774 - $916 . Keeping the fuel injectors clean will help you avoid this. How Much Does It Cost To Clean Fuel Injectors If you’re cleaning the injectors, it may run between $15-$30 for the fuel injector cleaner. Aside from the professional visual inspection, there won’t be much of a difference when a mechanic does it. Toyota Prius. Fuel injectors are one of the most vulnerable parts in a vehicle for getting clogged, dirty and plugged. Consider doing the job on your own as there are many over-the-counter products that cost less than $10. 2. Simply pour the injector inside of the fuel tank, let your car engine run for 15 minutes and you are done. Select StateAlaskaAlabamaArkansasArizonaCaliforniaColoradoConnecticutDistrict of ColumbiaDelawareFloridaGeorgiaHawaiiIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaPuerto RicoRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming. This gas injector cleaner is formulated to work with both gasoline and diesel engines. Bad Fuel Injectors Diagnosis: Chevy Malibu. amzn_assoc_ad_mode="search"; This was at Tire Choice in Charleston, South Carolina on Sam Rittenburg Highway. Fuel injection systems can fail in two main ways – either a mechanical or electrical failure. The fuel pump supplies the fuel injector with pressurized gasoline, and the injector then sprays the gasoline into a fine mist so that the engine can easily burn it. According to this LATimes.com article, the average cost of a fuel injector cleaning will be around $69 if you were to hire a professional mechanic. Here are a few more specific examples of the fuel injector replacement cost on common vehicles in order to get a better understanding of what is involved in a repair (using an average shop rate of $80 per hour as a baseline). Jeep Compass. According to all my research online, I think this was extremely high, unless they included something else, which I don’t think they did. Check your vehicle’s manual to see when you should get your injector cleaned as all makes and models will vary, but with newer models, a cleaning is often done at 60,000 miles. Dirty Fuel Injectors - Residual fuel additive that is not dispensed within the manifold can leave a film on the fuel injectors. injector service center. A fuel injector is essentially a solenoid with a fuel supply and a spray nozzle. See the example data sheet. You'll get a rough estimate for your vehicle and we'll get your car repaired urgently. A professional cleaning will cost you parts and labor, which could cost hundreds of dollars. A 2014 Dodge Journey 3.6L has a check engine light and a misfire. Chevrolet Express 3500. amzn_assoc_default_category="All"; $357 - $471 . This runs cleaning additives through the intake system and the fuel system, and (at least in theory) keeps the injectors in good shape. 3. Poor fuel economy: When a fuel injector nozzle becomes dirty or clogged, it can no longer fully atomize the fuel. A 2012 Ford Focus 2.0L has a check engine light and a misfire. Steering Rack and Pinion Replacement Cost Guide, Average Cost For a Check Engine Light Repair – Complete Guide, Remove and replace direct injector – 1.1hrs at $80/hr, $88, Injector cleaning – 0.9hrs at $80/hr, $72, Remove and replace pump – 0.9hrs at $80/hr, $72. How to Clean a Dirty Fuel Injector November 26, 2017 March 6, 2020 The Mechanic Doctor DIY, fuel system, injector, Maintenance. Even if you use a chemical injector cleaning solution two-times a year, fuel injectors still can clog or leak. amzn_assoc_rows="1"; A simple cleaning that is less than $10 will use a concentrated cleaner that is poured into a fuel tank, while pricier mid-range cleanings can include a visual inspection, complete fuel induction cleaning, tank cleaning and eliminating any engine noises, such as knocks or pings. Clogged fuel injectors, unlike dirty injectors which reduce fuel flow, prevent fuel from flowing through them. Disadvantages are that the intake valves don’t stay as clean without fuel spray, and the injectors themselves are subject to the pressures and conditions of the combustion chamber. I also purchased a full set of tires. If the fuel injector is not delivering enough fuel to … The technician pulls codes and diagnoses an open in the cylinder 2 fuel injector. As we see, the cost to replace fuel injectors can vary fairly widely depending on what type of repair is needed which can be anywhere from $10 to $200 for a simple electrical repair or injection cleaning service, and it can run much higher if more parts and diagnosis are involved. On average, a fuel injector cleaning will depend on the “level” of cleaning that is required. Seal and filter replacement : We replace all standard injector seals - please make sure you include the seals with your injectors so that we can match the seals that fit your vehicle. After diagnosing, they find that the cylinder 4 injector wiring is open. 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