P0208 Code: Injector Circuit / Open – Cylinder 8

Reviewed by

William Guzenski, ASE Certified Master Automobile Technician

Contact Center Manager and Technical Reviewer at CarParts.com

Written by CarParts.com Research Team - Updated on May 21st, 2024

Reading Time: 4 minutes
Summary
  • If the powertrain control module (PCM) detects a problem with the fuel injector on cylinder #8, it will log a P0208 trouble code.
  • A faulty fuel injector, wiring issues, or PCM failure can cause onboard diagnostics to set a P0208 code.
  • If this code is present, your vehicle could exhibit symptoms like poor engine performance and increased fuel consumption.

The fuel system consists of the fuel pump, fuel tank, lines and filters, and injectors. The powertrain control module (PCM) controls the fuel injectors, which atomize liquid gasoline to be mixed with the air that enters the engine. If the PCM is unable to activate the fuel injector on cylinder 8, on-board diagnostics will log a P0208 trouble code.

What Does the P0208 Code Mean?

Diagnostic trouble code P0208 stands for “Injector Circuit/Open – Cylinder 8.”

During the cylinder’s intake stroke, the injector’s nozzle sprays finely atomized fuel into the intake manifold. This occurs when the solenoid inside the injector is turned on, lifting a valve off its seat.

Fuel injectors are activated by grounding a terminal, which completes the circuit to ground.

As the ignition is turned on, power is usually supplied to one injector terminal. The PCM controls how much fuel the injector sprays. The longer it’s activated, the richer the mixture becomes. The less the injector sprays, the leaner the mixture. Fuel injectors are activated by grounding a terminal, which completes the circuit to ground.

If the PCM can’t detect a signal from the fuel injector, a P0208 code will be set.

Note: The definition of code P0208 might be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition.

What are the Common Causes of the P0208 Code?

What are the Common Symptoms of the P0208 Code?

How to Diagnose the P0208 Code

DTC P0208 is a generic powertrain code that can be logged in vehicles with an OBD-II system. While this might be the case, keep in mind that the steps for diagnosis and repair can vary, depending on vehicle specifications. If you’re not familiar with the process of diagnosing trouble codes yet, it’s best to have a certified mechanic do it for you. Otherwise, you can go ahead and do it yourself.

To help you out, here is a video you can check out to see what the process normally involves:

How to Fix the P0208 Code

Attempting to fix a P0208 code can be tricky and frustrating if you’re not equipped with the right tools and technical knowledge. If you’re not confident in your DIY skills yet, it’s best to bring your vehicle to the nearest repair shop and have a trained professional fix the problem for you.

But if you know how to work your way around trouble codes, make sure you have the right information before proceeding. Keep in mind that there’s no such thing as an umbrella fix that will resolve all trouble codes for every make and model. So before you begin, you might want to check out guides like those from Chilton or an ALLDATA subscription to get vehicle-specific repair information.

Where to Get a New Fuel Injector to Clear the P0208 Code

Resolving the P0208 code is usually as simple as replacing the faulty part that triggered it. Usually, it’s a faulty fuel injector, and if that’s what triggered the trouble code in your ride, don’t put off replacing it.

Find what you need here at CarParts.com. We have a selection of on-hand and ready-to-ship fuel injector replacements that come with a low-price guarantee.

To get started, go to our website and input your ride’s details into our vehicle selector. This will narrow down the catalog to compatible fuel injector options for your car. You can also use our search filters to further refine your search based on brands, prices, and other preferences.

Order now, and get your replacement part in as fast as a few business days. If you have questions, our team of customer service representatives will give you all the help you need to find what you’re looking for.

Don’t delay replacing a bad fuel injector, and get back on the road in no time. Shop for a new fuel injector today to resolve the P0208 code in no time!

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