Basic port injection kit; Basic fuel line connection kit; An upgraded fuel line that completely replaces the stock fuel line; Integrated ethanol sensor; Bluetooth and JB4 compatible ethanol analyzer; JB4 integration compatible 0-5volt; Bluetooth (Iphone or Android app must be purchased to use this feature) If you are using an Apple product the app can be found by clicking here . https://carfromjapan.com/.../most-common-causes-of-engine-ticking One common cause of engine knocking is the use of fuel with an octane lower than that recommended by the manufacturer. when i start the truck at idle I can hear a light taping noise. I did my valves today for the first time. its not a knock, like a sticky lifter and does not get louder when the rpms go up. K. kooljoe New Member. I can deal with the ticking for now. But, under certain engine speed and load conditions, direct injection can produce soot due to a lack of vaporization. Engine ticking noise caused by Gasoline Direct Injection components . Granted the valves were too tight prior to the adjust, I couldn't slip a feeler gauge in. Octane Booters. You can start by removing the fuel rails and detaching each injector from the rail. if anything the ticking goes away when rpms go up. May be a lifter that isn’t pumped up all the way. Could be a loud injector. Regardless I wouldn’t sweat it unless it gets worse. Today, I cleaned out all the fuel injectors using carb cleaners and a battery to cycle it through them. The 2016 Tacoma's 3.5L engine is equipped with both direct and port fuel injection system. 10 Causes of a Car Losing Power when Accelerate. When you remove the injector, there will be fuel that spills out of the rail, so make sure you do not get it on you or the ground. They sit within the engine block and spray the gasoline directly into the cylinder at extremely high pressures. There's nothing that you can do to make it go away. The ticking sound is a result of the self-cleaning direct fuel injection systems activation and is a normal characteristic of normal system operation. 206 Posts #4 • Mar 13, 2010. We put this one at the top of our list because it's the most common source of engine ticking: Fuel injection can make a ticking noise. So compared to that, I'd say that the 3.7 isn't noisy when speaking specifically of ticking and clicking. If I let this go for a couple more months until I get the time to repair it will I risk doing any harm to the engine? No repair is necessary to remedy this condition. Newer GDI engines have a totally different style of fuel injector and these fuel injectors make an engine ticking noise especially on cold start up. First Name Jack Joined Aug 3, 2020 Messages 626 Reaction score 962 Location Georgia Vehicle(s) 2019 RWD XLT Occupation We Wo We Wo We Wo Vehicle Showcase 1. In reality with higher mile older engines there is little difference to performance or how the engine runs, in later models its critical. Fuel pressure supplied by the fuel pump is metered by the duty cycle of the computer which varies by engine load. The Average Airbag Replacement Cost . Thread starter #1 I know ECFI ticks and I Know what that sounds like I’ve had the truck for a little while … Octane boosters are sold as fuel additives to combat engine knocking. Engines naturally create oil blow by that travels through the intake valves. It wills cut-off the fuel injector when releasing the throttle. Fuel injectors spray gas at nearly 1,500+ psi of pressure, which means they are naturally subject to a lot of stress. This guide will show you how to check the trigger (ground) signal from the PCM, power circuit and the operation of the injector itself. This valve will make a ticking noise at times. Sport S - Sting-Grey, MT, Premium soft top, Alpine audio (7", tech and comfort package), Aux switch group, tonneau cover. Dec 1, 2020. Fuel injector firing may cause engine ticking noises too. We have fuel to the filter bowl, and when we turn the key on the two injectors are ticking. Reply. This will result in engine ticking noises. May 5, 2016 #2 Hello, I purchased a 2016 Tacoma trd sport. https://mechanicbase.com/engine/ticking-engine-noise-causes-fix Related Posts. Clicking or ticking sounds from fuel injectors is normal. Im almost positive its the injectors because during cold start its real noticeable sounds almost like a diesel and then it subsides. Good news! Fuel Injector Failure – 5.3L EcoTec3. Ticking fuel injector??? The purge valve on your car allows fuel vapors to be burned by the engine for emissions purposes. Another issue is that I can pull the banjo bolt to the feed on the CP3 and there is plenty of pressure there. Does it change with the rpm? After adjusting there was a noticeable ticking sound that wasn't present before the adjust. A fuel injector is responsible for allowing fuel into the engine and is controlled by the PCM as part of the fuel injection system. Purge valve, PCV valve or fuel injectors. With this system, when decelerating (switch 1 close), the fuel injection is disabled until the rpm goes down to 2000rpm. If the engine is still decelerating and the rpm is lower than 2000, the EFI is re-enabled and the injection is controlled again by the FI computer. So my fuel injectors and coil pack seem to check out okay. The injectors are tiny nozzles that are electrically actuated and can make a noise at idle that's as noticeable as tapping a sharpened pencil on a tabletop. 2,795 Posts #2 • 7 mo ago. Aufrufe: 957 empfohlen von UTrulez am: Sat Feb 28 23:36:17 CET 2015 im Forum: BMW 3er E36 im Thema: Der Kurze Frage - Kurze Antwort Thread. I know they are injectors because we can pull the valve cover and hear them, and also unplug the injector harness and they stop. And when this happens, it will cause the engine to stall, having start problems and much more. Direct fuel injection is better at cooling the combustion chamber and controlling fuel trims under certain conditions. Many auto dealerships also use PEA chemistry in fuel-injection cleanings. Oct 08 2013, 7:12pm so i have a 2011 gmc sierra regular cab short bed, 4x4 with the 5.3 truck has 35k on it. Are you sure it's the injectors ticking, as I didn't think these DTI engines had electrically operated injectors? This happens only in certain make and model vehicles. Fuel Injector Inspection – You can take the injectors out of your Ford and inspect them for damage, dirt or rust. 5 Symptoms of a Bad Piston … since the sound is clearly coming from on top of the intake manifold, fuel rail I believe that there must be a broken fuel injector power wire or ground wire that is arcing OR the wires to my coil pack could be arcing. Under some circumstances, port fuel injection will provide more torque. The ticking will go faster if I give it a tiny bit of gas so I believe this is a good case for a ticking fuel injector. These situations won’t cost you any money. Effects Driving with Bad Fuel Injector (11 Signs of Bad Fuel Injectors) Having Carburetor and Injector problems; It’s true that sometimes when the filter is clogged or partly dirty, fuel will somehow go through the filter but will substantially clog the car’s injector or carburetor. This optimises the electronic injection pulse to the mechanical fingerprint of the injector for best fuel economy and performance. Some ticking noises are totally normal and do not require any repairs. Mechanical fuel pumps were either in full working order or failed -- there was no middle ground -- and a failed pump meant the engine would not start or would grind to a halt; it ran out of gas even with a full tank. Does it go away above idle? Ticking (but loud) Thread starter OFC Ranger; Start date Dec 1, 2020; OFC Ranger Well-Known Member. Doing the 24k on my own. Electric fuel pumps, however, can begin to go bad without entirely failing. How can I get rid of fuel injector ticking? I can live with it but is there a fix to getting rid of the ticking? Fuel injectors are the key component of direct injection. Fuel injectors do make a noise, but it would usually be described as a “buzzing” rather than a “ticking”. Between excessive heat and demanding pressures, the fuel injectors must be made from high quality materials. 2011 5.3 ticking noisy injectors? Some vehicles, like many Subarus, have injectors that you can actually hear opening and closing at idle. For me, compared to my old Datsun 280z which was an inline 6 really ticked and clicked- being an older fuel injection car, I believe that the injectors ticked and clicked as much as the lifters did. But at other times while it is warmed up it will be noticeable. It should sound like a sharp pencil tapping on a desk and be very rhythmic. Put the injectors back in along with a new one for cylinder 5 where the misfire was coming from (darn injectors at dodge cost $112 a piece and the only had one). Some makes (Subarus in particular) have more injector noise than others. PEA chemistry can also be found in fuel system cleaners from STP, Gumout and Valvoline. If it is injector tick does it also only do it when it is cold? so what's the cure for the fuel injector ticking? Anyways, there is still this loud ticking/tapping noise coming from the engine. BMW Carbon Build-Up/Walnut Blasting. Technical Service Title: ENGINE BULLETIN FUEL INJECTOR TICKING\" NOISE EG013-05 March 24, 2005 Models: ’01 – ’05 Highlander (V6) TSB REVISION NOTICE: S June 28, 2005: A new section, “Component Identification,” has been added; a note has been added to step 2 of the Repair Procedure, and component identification information has been enhanced in Figures 2 and 6. Sometimes the valves will open and close too quickly, causing the fuel injectors to fire too much fuel. If you could figure out a way to remove the injectors from the engine but keep them hooked up to the fuel rail and electrical connectors, aim them at a container to catch the gas, and get them to go into inject mode while the fuel pump was running, then you’d know for certain. Most likely the fuel system cleaner has removed some gunk and varnish from the fuel system that was providing some "cushioning" to the injectors and quieting them slightly. We replaced all six direct injectors on our 2007 335i for a cool $1,500; a repair that likely costs 1/3 of that on a port injected BMW engine. Your fuel injectors are small electrical valves that open and close very quickly allowing a certain amount of fuel to be injected with the air your engine is drawing in. GDI injectors are mounted so they inject gas directly into the cylinder instead of in the intake manifold. At the heart of a gasoline direct injection system lies the high-pressure fuel pump, which pressurizes the petrol to more than 30 times compared to that of conventional port fuel injected engines. Combat engine knocking is the use of fuel injector when releasing the throttle it 's the for. 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