What this all means is that you and your tuner can spend less time and money installing the fuel injectors and more time enjoying the vehicle. Almost all DeatschWerks fuel injectors are engineered to fit OEM intake manifolds and fuel rails perfectly, virtually eliminating the need for custom fuel rails, spacers and associated headaches. Unlike their competitors who offer just "universal" fuel injectors, DeatschWerks provides application specific designed fuel injector sets designed to fit perfectly with little or no modification. Connectors (or pigtails) are included for applications that require them, unless noted otherwise.ĭeatschWerks takes a unique approach to high flow fuel injectors. Sold in sets which include all injectors required for your engine. If your application is not CARB Compliant / Exempt and you're shipping to California, our system will let you know on the final checkout page. Inspect the engine for any fuel leaks and test it thoroughly before driving the Protege again.CARB Compliance / Exemption Warning: If you live in California and your application for this product is not CARB Compliant / Exempt, then you cannot purchase it for public highway or street use (in that case it could only be used for formally sanctioned race use on a racing vehicle that may never be used on a public highway or street). Install a replacement with a new fuel injector o-ring and reinstall your fuel rail. Remove your fuel injector and carefully remove your failed Protege fuel injector. If you find that unplugging one Protege fuel injector doesn’t cause this to happen, it could be a clear sign that’s the injector that has clogged. Properly working fuel injectors will cause your engine to stumble further and nearly die. You are looking for the injector that doesn’t affect the engine idle as badly as a working fuel injector does. To do this simply start your engine, and unplug one injector at a time. If you find that all your injectors test out with the proper resistance range, you will need to load balance your engine to find out which one is bad. Over time the deposits in your fuel can clog the performance of your injector until it doesn’t work properly. In the event that your fuel injectors test out, but your engine misfire is still obvious, this could be from a clogged injector. If you find one of your injectors falls outside of this range, it’s a sign that your injector has failed. Once you have tested one injector, move onto the next and record your findings at each step. The resistance of a good Protege fuel injector is between 12 and 16 OHMS Ω. Once you have a reading you will record it and move onto the next fuel injector. Once you have the fuel injectors unplugged, you will be gently probing the two pins of the Protege fuel injector. Testing your Protege fuel injector resistance It’s also a good idea to write down your findings on a notepad so that you can compare and find which Protege fuel injector is faulty in your engine. Open your hood and locate your fuel rail, and then proceed to unplug all of your fuel injectors. To begin our Protege fuel injector testing guide, you will need to unplug your injector connectors. ![]() This is located on top of your engine and mounted in front of your intake manifold. The four fuel injectors in your Mazda are located in the fuel rail. To do this you will need to turn the dial of your multimeter to read resistance or OHMS Ω. You’ll be using the multimeter to test the internal windings of the fuel injector. This How To guide will not only show you how to find the bad Protege fuel injector, but will also tell you if it’s clogged or simply dead. In order to correctly track down the failed injector, you’ll need to use a digital multimeter. This vehicle is equipped with the 1.8 liter engine in it, and the transverse layout makes testing your injectors easy. Today I’ll be showing you how to test a Protege Fuel Injector in a 2000 Mazda. When this occurs you’ll need to test each injector to find out which one is the culprit. This pintle style fuel injector can also become clogged over time, leading to misfire or your Mazda running on three cylinders. Failure of this fuel injector can lead to problems with your Protege starting, or even cause engine misfire issues in your 1.8 or 1.6 liter engine. There are four individual Protege fuel injector that fit into your Mazda fuel rail.
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