Misfire trouble codes (OBD II equipped only). All Rights Reserved. Specifically, that none are shorted or open internally. Fuel Injectors (cont.) Do NOT follow this link or you will be banned from the site! When they leak, they can really do some damage. 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 . This material may not be reproduced without the author’s consent. That being said, bad fuel injectors are one of the more common issues that happen to any vehicle (Honda Civic included). You can find this tutorial in Spanish here: Cómo Probar Los Inyectores (1.6L Honda Civic) (at: autotecnico-online.com). When this happens not enough fuel enters into your Civic’s combustion chamber. This is a multi-outlet design with a ball shaped plunger in place of the tapered needle plunger. So, when a fuel injector stops injecting fuel... whichever cylinder that fuel injector belongs to will go ‘dead‘. 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. Write down the resistance value that your multimeter records for the specific fuel injector you're testing. 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). 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. This material may not be reproduced without the author’s consent. Fuel injector is not receiving power or its activation signal. This is usually due to a bad fuel injection computer. 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. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. This confirms that the fuel injectors are OK.

© 2011-2020 Abraham Torres-Arredondo 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.

Since the resistance values for a 4 were uniform, this test result tells you that they are not defective. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem!

Alright, let's get started: Disconnect the fuel injectors from their harness connectors. Fuel injector has fried internally and has stopped injecting fuel. GM  |   Honda Accord, Civic and CR-V named in lawsuit that claims oil mixes with gas in 1.5-liter engines. This means that you'll be able to troubleshoot the problem without the use of expensive diagnostic equipment. The fuel system in your Honda Accord and Civic consists of many working parts. You can find this tutorial in Spanish here: Cómo Probar Los Inyectores De Combustible (1992-1995 1.5L Civic) (at: autotecnico-online.com).

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. Ford  |  

CASE 2: One of the fuel injectors registered a completely different resistance value. Simply put, the fuel injector stops injecting fuel completely or gets clogged and doesn't inject enough fuel. This spec is 10 to 13 Ohms (Ω). 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. Honda  |   If you do end up needing to replace the injectors, they are somewhat affordable.

You can find this tutorial in Spanish here: Cómo Probar Los Inyectores (1.6L Honda Civic) (at: autotecnico-online.com). A ‘dead’ cylinder will cause a misfire and you'll see one or more of the following: So, what causes a fuel injector to go bad? The other way is if the injectors are leaking. Tools  |   In 2001 a new type of injector was introduced on some models. There are three separate tests in this tutorial and I've designed them with the DIY'er (Do It Yourself'er) in mind. 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. Tools  |   Measure the resistance of the fuel injector across its two male spade terminals with the multimeter test leads. If the injectors are clogged you’ll need to have them cleaned by a professional. 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. Good luck! Symptoms Of A Bad Fuel Injector. Chrysler  |   This indicates that the fuel injector is bad. NOTE: The 1.5L Honda Civic resistance specification is: 10 to 13 Ohms.



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