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Products used in this video:Ryobi Work Light:https://amzn.to/3YokGDjFuel Injectors:https://amzn.to/3RyoC26Mechanics Tool Kit: https://amzn.to/3DJ7wctIf you w...
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In this video we show how to install fuel injectors and map sensor in a 5.7L HEMI engine. This procedure is fairly simple but does take some time and attent...
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May 27, 2017 · With these quick steps, Merv Junior installed a new set of fuel injectors for just $152! Hope you like it. Yours truly – Merv Himself. PRODUCT DETAILS IN ...
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Jul 7, 2021 · Lift up the fuel rail toward the rag and pull the rear injector out. Once you have all the injectors out, you want to take your lubricant and apply it to the top and bottom O-rings so you can put them back into the fuel rail without them tearing. To put them back in, you just want to gently rock them back and forth in a slight circular motion ...
- Overview
- Removing the Old Injectors
- Installing the New Injectors
- Restarting Your Vehicle
If your engine misfires, your check engine light is on, and your RPM needle dances around when you accelerate, you may have some faulty fuel injectors. Every engine requires air, gas, and a spark to ignite the air and gas, which pumps the cylinders in your engine. The fuel injector is the part of your vehicle fees that gas into the chamber where it’s ignited, so if they’re clogged or damaged, your engine won’t get the juice it needs to run efficiently. In this article, we’ll break down everything you need to do to replace the fuel injectors in your vehicle.
Start with a cold car, disconnect the battery, and remove the connectors on top of the fuel rail.
Remove any clips or nuts holding the fuel rail in place and physically pull out the individual fuel injectors.
Purchase new injectors designed for your specific engine and dip the tips in fuel before reinstalling the injectors and fuel rail.
Let your car cool down and disconnect the battery.
The fuel injectors fire fuel into your engine’s cylinders, so you may start a fire if you remove them while your vehicle is running. Let the car cool off for 30-45 minutes if you were driving recently. Pop your hood and put some gloves on. Then, remove the battery terminals to
Gas will irritate your skin and you’ll be touching the parts of the engine that get covered in the stuff, so wear rubber or nitrile gloves when you do this.
Consider having a pro do this if you can. This isn’t a super difficult DIY job, but it involves working with gasoline. You could cause a gas leak or fire if you do this incorrectly.
Locate the fuel injectors on your intake manifold.
Take a look right behind your engine (or above your engine, depending on how you think about it). See the 4-8 pipes leading into your engine? That’s your intake manifold. Your fuel injectors are the 4-8 connectors that run from the fuel rail into those pipes where they meet your engine.
Dip the tip of each new injector in a small cup of gasoline.
designed specifically for your make and model’s engine. Then, dip the end of each injector into a small cup of gasoline. This will lubricate the O-rings and ensure that gas doesn’t leak once you install the new injectors. Let all of the droplets stop.
If you absolutely cannot find replacement injectors, you can
Never re-use the O-rings from the old injectors. These are the pieces of an injector most likely to fail over time.
Slide the new injectors into their slots on the fuel rail.
Reinstall the injectors the same exact way they were removed. Insert the end with the clips into the fuel rail with the gas-dipped side hanging on the other end facing your engine’s intake manifold. Insert each of the injectors into the railing.
Turn the key into the “on” position.
You fuel rail doesn’t have any fuel in it right now (you relieved the pressure, remember?). Insert the key in the ignition and turn it to the “on” position—but don’t start it yet! This will prep your vehicle’s starter and fill the fuel rails with gasoline so that you don’t pump your engine full of air.
Wait 20-30 seconds before starting the engine.
If your injectors are installed correctly, your vehicle should run just like new. Let the vehicle run for a minute or so. This will give your system time to equalize and refill.
Inspect the engine for leaks after letting your engine cycle.
Shut the vehicle off. Grab a
May 3, 2012 · 162 posts · Joined 2012. #2 ·May 4, 2012. from what ive heard you need a size E fuel injector removal tool. if your doing your plenum, just remove the injectors from the intake, and hang the fuel rail up out of the way. when you go to replace the injectors, make sure you get new injector o rings. Im sure some of the other guys will chime in too.
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