How much does it cost to get fuel injectors checked?
Expect to pay anywhere from $50-$100 for this service. 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. They’ll probably do the most thorough job but you’ll obviously have some down time if you need your vehicle.
How do I test my fuel injectors with a test light on?
Unplug the electrical connector from the fuel injector you want to test. Turn the ignition switch to the ON position. Touch the terminals (one at a time) of the harness connector with the test light. One of the terminals should make the test light glow, this is the injector power source coming from the computer.
What’s the best way to check a fuel injector?
One of the most popular ways to check fuel injectors is to listen – your ears can tell you a lot, if you know how to listen to your fuel injectors and you understand what they are telling you when you do.
How can I tell if my EFI injectors are working?
So it’s hard to check the spraying pattern of each injector without the proper equipment. However, you can use a couple of tests that can reveal whether one or more injectors are working on your EFI system and whether the fault is within the injector itself or the controlling circuit.
What kind of test can you do on a dead injector?
Photo courtesy of SPE Automotive Division on Flickr. One of the tests you can do on a dead injector is by checking the injector’s coil. For this test, you’ll need a multimeter and the resistance value for the coil inside the injector.
How to check the fuel spray on a TBI system injector?
You can visually inspect the fuel spray on TBI system injectors. Fuel flow spray is readily accessible, making it fast to check for potential problems. Remove the cover off the air cleaner housing (where the air filter lives). Ask an assistant to start (or crank the engine, if it doesn’t start). Check the spray pattern coming our of the injector.