honda civic fuel injector problem

Misfire (hesitation) under load (which means: when you step on the accelerator pedal). The cool thing is that a fried fuel injector can be easily tested with a simple multimeter resistance test, and this article will show you how. In this tutorial, I'll explain how to check for a bad fuel injector by doing a simple multimeter resistance test. PGM-FI Main Relay Circuit Diagram (1992-1995 1.5L Honda Civic), Fuel Injector Circuit Wiring Diagram (1992-1995 1.5L Honda Civic), Fuel Pump Circuit Wiring Diagram (1992-1995 1.5L Honda Civic), “As a child, my family’s menu consisted of two choices: take it or leave it.”Buddy Hackett, Home  |   It's usually just old age, although not always. Disclaimer. Bad Fuel Injector Symptoms: Honda Civic The symptoms of bad fuel injectors are going to feel almost the same as a bad fuel pump or fuel filter . The symptoms of bad fuel injectors are going to feel almost the same as a bad fuel pump or fuel filter. GM  |   Misfire codes (P0300, P0301, P0302, P0303, P0304) lighting up the check engine light (CEL). These provide a finer spray of fuel for better atomization. The other way is if the injectors are leaking. Alright, let's get started: Disconnect the fuel injectors from their harness connectors. How To Test The Fuel Injectors (1992-1995 1.5L Honda Civic), Checking The Injector's Internal Resistance, How To Find The Bad Or Clogged Fuel Injector, Cómo Probar Los Inyectores De Combustible (1992-1995 1.5L Civic). Symptoms Of A Bad Fuel Injector. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. The first is for them to become clogged, dirty, or unresponsive. The cool thing is that testing for a bad fuel injector (or a clogged one), on your 1.5L Honda Civic DX, isn't hard. It's rare for a Honda Civic fuel injector to go bad, but that doesn't mean it doesn't happen. © 2011-2020 Abraham Torres-Arredondo Ford  |   If there is anything you would like to add, please feel free to leave a comment below. If it doesn't, they'll find you the right one. Replace the fuel injector. A priming fuel pump sounds like a high-pitched whine for a few seconds and can be heard with a sharp engine right after the ignition key is turned, but before the starter is engaged. Here is a great video from “Ratchets and Wrenches” on YouTube on how to go about the process of diagnosing a fuel injector from beginning to end. After finding the ‘dead’ cylinder, the next step is to measure the resistance of the fuel injectors with a multimeter and then interpreting the test results. Lack of power when accelerating your Honda. You can find this tutorial in Spanish here: Cómo Probar Los Inyectores (1.6L Honda Civic) (at: Tools  |   If you do end up needing to replace the injectors, they are somewhat affordable. 2016 Honda Civic fuel system problems with 21 complaints from Civic owners. If your Civic is experiencing the symptoms of bad fuel injectors, it would be wise to address the issue right away. Both four and twelve outlet injectors are used in the new Programmed Fuel Injection (PGM-FI) models. Good luck! The illustration above will help you identify the cylinder number the fuel injector belongs to. When this happens not enough fuel enters into your Civic’s combustion chamber. So, when a fuel injector stops injecting fuel... whichever cylinder that fuel injector belongs to will go ‘dead‘. Testing this type of failure is simple and involves doing a multimeter resistance test (and this is the focus of TEST 1). I'm also gonna' offer you a specific diagnostic guide to finding the bad (or clogged) fuel injector in case you don't know where to start your troubleshooting efforts (in page 2 of this tutorial). This material may not be reproduced without the author’s consent. Repeat steps 1 through 3 on the remaining fuel injectors. You can find this tutorial in Spanish here: Cómo Probar Los Inyectores De Combustible (1992-1995 1.5L Civic) (at: NOTE: To identify which cylinder the fuel injector belongs to, see the above illustration with the cylinder # id for the 1.5L Honda Civic. All Rights Reserved. Honda  |   Specifically, that none are shorted or open internally. Terms of Use Since the resistance values for a 4 were uniform, this test result tells you that they are not defective. Honda Accord, Civic and CR-V named in lawsuit that claims oil mixes with gas in 1.5-liter engines. GM  |   Testing your Civic’s fuel pressure on each side of the pump would be the best way to diagnose this problem. Fuel injectors can go the life of a modern vehicle with little to no trouble at all. 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Honda City:  Bad Fuel Injectors → Symptoms and Causes, Honda CR-V:  Bad Fuel Injectors → Symptoms and Causes, Chevy Impala: Brake Lights Stuck On → Diagnosis. Fuel injector has fried internally and has stopped injecting fuel. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! That’s why it’s important to check the fuel pressure at the rail before replacing injectors, otherwise you may end throwing good money after bad. As mentioned at the beginning of this tutorial, we're gonna' test the fuel injectors' internal coil winding. That’s why it’s important to check the fuel pressure at the rail before replacing injectors, otherwise you may end throwing good money after bad. This confirms that the fuel injectors are OK. Disclaimer. NOTE: The 1.5L Honda Civic resistance specification is: 10 to 13 Ohms. Fuel injector stuck On all of the time (as soon as the key is turned On). There are three separate tests in this tutorial and I've designed them with the DIY'er (Do It Yourself'er) in mind. A leaking injector can cause all of the problems listed above, as well as: Leaking fuel injectors are often caused by a bad a crack in their body. If a fuel injector's internal coil winding is fried (either because it's shorted or is open), its resistance value will not coincide with the factory resistance specification. Honda  |   In 2001 a new type of injector was introduced on some models. The worst complaints are hesitation when accelerating, carbon build-up on fuel injectors, and inaccurate fuel gauge. Depending on the test result you get in TEST 2, you'll swap out the fuel injector, of the dead cylinder, with its neighbor on the fuel injector rail. Let's find out what your specific multimeter test results mean: CASE 1: The fuel injector resistance of all 4 was within specification (or similar). All Rights Reserved. The cool thing is that testing for a bad fuel injector (or a clogged one), on your 1.5L Honda Civic DX, isn't hard. How To Test The Fuel Injectors (1.6L Honda Civic), START HERE: Troubleshooting A Bad Fuel Injector, TEST 2: Measuring The Fuel Injector's Resistance, Cómo Probar Los Inyectores (1.6L Honda Civic). As you're probably already aware, each of your Honda engine's 4 cylinders need 3 things to produce power: fuel, spark, and air (compression). This involves doing a manual cylinder balance test and which is explained in a step-by-step manner. This is a multi-outlet design with a ball shaped plunger in place of the tapered needle plunger. © 2011-2020 Abraham Torres-Arredondo Your next step is to go to the next page and see the troubleshooting guide here: How To Find The Bad Or Clogged Fuel Injector. NOTE: You modify the above tests to suit your particular diagnostic needs. Chrysler  |   When this occurs they must be replaced. There are two main ways that your injectors can go bad. This means that you'll be able to troubleshoot the problem without the use of expensive diagnostic equipment. Each part is designed to work in sync with your car's entire fuel system to deliver optimum fuel flow to the engine, and sustain the normal operation of your vehicle's idling, acceleration, and speed. Write down the resistance value that your multimeter records for the specific fuel injector you're testing. Misfire trouble codes (OBD II equipped only). Terms of Use Hesitation when you accelerate your 1.5L Honda Civic down the road. This ‘Honda Civic fuel injector resistance’ test guide covers all of the different models of the 1.6L Honda Civic and Civic del Sol 1996, 1997, 1998, 1999, and 2000. CASE 2: One of the fuel injectors registered a completely different resistance value. Do NOT follow this link or you will be banned from the site! Ford  |   If the injectors are clogged you’ll need to have them cleaned by a professional. Chrysler  |   As you're probably already aware, each of your Honda engine's 4 cylinders need 3 things to produce power: fuel, spark, and air (compression). When a fuel injector stops injecting fuel completely, it's usually due to the fact that it's internal coil winding has suffered some failure (like a short or an open). Fuel Injectors (cont.) Jeep  |   Conclusion: Honda Civic Bad Fuel Pump. That being said, bad fuel injectors are one of the more common issues that happen to any vehicle (Honda Civic included). WIRING DIAGRAM: The following wiring diagram may come in handy: Having worked on cars for a good part of my life, I can tell you that most fuel injector problems fall into one of two categories. Here are the most common types of fuel injector failures: With the help of this in-depth tutorial, you should be able to diagnose a bad fuel injector. But before I get ahead of myself, let me tell you about the most common symptoms you'll see when a fuel injector fails: The focus of this tutorial is to see if the fuel injector's internal coil has failed (and thus causing the fuel injector to stop injecting fuel) but testing for a clogged injector isn't that much more complicated and I'll show you how in the next page. Measure the resistance of the fuel injector across its two male spade terminals with the multimeter test leads. This is usually due to a bad fuel injection computer.

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