Inspect the engine for any fuel leaks and test it thoroughly before driving the Protege again. 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. If we divide that volume by eight injectors (for a V8 engine), this comes to 31.25 lbs/hr necessary to feed the engine. This is the amount of fuel we need to supply to the engine to achieve 500 hp. Once you have a reading you will record it and move onto the next fuel injector. The simple formula is horsepower times BSFC or 500 horsepower x 0.5 250 lbs/hr of fuel. 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. So if you’re in the market for aftermarket Fuel Injection System products to keep your 1996 Mazda Protege rolling for years to come, look no further.There are four individual Protege fuel injector that fit into your Mazda fuel rail. Out of the 47 reviews in this category, some of the top rated parts include Fuel Injector Seal Kit with stars and Multi Purpose Relay with stars. We know you’ll find the perfect Fuel Injection System products for your 1996 Mazda Protege, but don’t take our word for it - read our customer ratings and reviews and buy with confidence. Search for brands you know or compare prices and reviews to help you decide! FELPRO, Carquest Premium, and Cardone are just some of the brands we stock. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1996 Mazda Protege. That means you can find the exact parts or products you need to keep that 1996 Mazda Protege running smoothly.įuel Injection System products are only as good as their brand. Either way, Advance Auto Parts has 33 different Fuel Injection System products in our inventory ranging from $0.70 to $728.99. Maybe you just need a couple of Fuel Injection System products or parts. Maybe you’re in the middle of a full rebuild of that 1996 Mazda Protege.
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