Sometimes a few may have a different delivery rate which can be a great aid in troubleshooting a poor running engine. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Fuel System: Transit Connect: 2011Fuel System: Transit Connect: 2010Fuel Charging and Controls -- 2. The fuel injectors in your vehicle are designed to spray fuel into the cylinders of your engine where it is combined with air and compressed before being ignited by the spark plug to produce power. Attach pressurized air to the injector inlet. Applications include fuel injector sprays, pharmaceutical sprays, agricultural sprays, spray painting, spray drying, spray cooling and more.
Using a long metal rod like a screwdriver touch the end of the screwdriver to the injector. The mode lock feature ensures test condition uniformity. Most applications have one fuel injector for each cylinder. Wow - Developed to perform fuel injector flow testing, injector cleaning and pulse width general injector health determination, like pintle opening, binding and weak springs. The mode lock feature ensures test condition uniformity. Brand all-sun all-sun is one of the most excellent brand in Eastern Technology Group.
A test light looks like a screwdriver with a finely pointed end and a wire hanging out of the handle. Or take your car to the service shop and have them clean the system. Put on the appropriate safety gear. If you find one that isn't clicking, there may be a problem with your injector or the electronic component that controls it. A high content of free and total glycerin can lead to buildup in fuel tanks, clogged fuel systems, injector fouling and valve deposits.
One of the two wires should make the test light turn on when it comes into contact with the wire inside the protective coating. Copyright © 2019 HubPages Inc. Disconnect the wiring clips to each injector and begin the test again. Occasionally, though, buildup from impurities in the fuel, or injector system electrical or mechanical problems may contribute to rough idle, misfires, harmful emissions, poor engine performance, and fuel economy. Index Exchange This is an ad network. Be very careful of the pin outs! Fuel pressure supplied by the fuel pump is metered by the duty cycle of the computer which varies by engine load.
Also great for body or repair work on door, trunk lids, or hatchbacks. HubPages Google Analytics This is used to provide data on traffic to our website, all personally identifyable data is anonymized. Sovrn This is an ad network. If pulse returns plug the injectors back in one at a time until the pulse fails then replace the shorted injector. One of the tests you can do on a dead injector is by checking the injector's coil. Check your repair manual for further tests, if necessary. Hose adapters allow connection of all Matco branded fuel system tester adapters, gages and fuel system cleaning equipment.
Adapters allow flexible connection with minimum interface between fuel system adapters and test gage or cleaning canister hose. If still no injector pulse, then the computer is not pulsing the injectors open for some reason and more testing will be needed. If you can't back probe the wire, insert a pin through the wire and use the pin to probe the wire. With the engine running at an idle, the test light should flicker dimly and as your helper applies throttle by pressing the gas pedal, the light should flicker more brightly. Currently, the following states regulate the offer and sale of franchises: California, Hawaii, Illinois, Indiana, Maryland, Michigan, Minnesota, New York, North Dakota, Oregon, Rhode Island, South Dakota, Virginia, Washington, and Wisconsin.
A single, solid spray or irregular pattern means the injector needs cleaning, or that an internal part wore out or broke. To provide a better website experience, axleaddict. If there is no voltage, test the second connector slot. Made out of high-grade, heat-treated alloy steel. Doctronics: Another great website with a lot of cool info and circuits for the 555. The longer the ground signal is on, the more fuel is injected into the engine.
HubPages and Hubbers authors may earn revenue on this page based on affiliate relationships and advertisements with partners including Amazon, Google, and others. Connect a test light to the positive terminal of the battery. There should be a small portion of each wire exposed coming out of the plastic clip that connects to the injector. You tested for some common problems you can troubleshoot at home, but one or more injectors may have a worn or dirty less common valve, or a weak or broken return spring that's causing the injector to block or leak fuel. Insert the key and turn it until the electrical system activates, but stop before you engage the engine's starter. Some of these problems can be a challenge to diagnose without the right tools. Together, they cited information from.
HubPages Traffic Pixel This is used to collect data on traffic to articles and other pages on our site. Conversion Tracking Pixels We may use conversion tracking pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to identify when an advertisement has successfully resulted in the desired action, such as signing up for the HubPages Service or publishing an article on the HubPages Service. Akismet This is used to detect comment spam. Article Summary To test fuel injectors, start by popping your car's hood while the engine is running. Tester verifies that energy is sufficient for spark plug to fire. Clamp tester to engine as ground. One of the terminals should make the test light glow, this is the injector power source coming from the computer.