Aug 18, 2024 · The P0204 code indicates a malfunction in the injector circuit for cylinder 4 of the vehicle's engine. This means that the fuel injector responsible for delivering fuel to cylinder 4 is …

P0204 means that the PCM detected a fault in the injector or the wiring to the injector. It monitors the injector and when the injector is activated, the PCM expects to see the voltage pulled "low" …

Jan 24, 2025 · A P0204 trouble code points to an issue with your #4 fuel injector. See what causes this code and step-by-step instructions to fix it.

Jan 3, 2026 · A P0204 code indicates a malfunction in the fuel injector circuit for cylinder 4, affecting engine performance and fuel efficiency. Common causes include a faulty fuel …

While a faulty injector could produce similar signs, the P0204 definition points to a problem in the injector’s control line rather than the injector tip itself.

Read the full article below to know what it means, how to fix it, and what other codes may show related to it. P0204 is an OBD-II Code that refers to Injector Circuit Malfunction – Cylinder 4.

Jun 17, 2024 · Learn what a P0204 code means, possible causes, and the common symptoms associated with this code.

Sep 10, 2025 · Learn all about the P0204 code, what causes injector circuit/open issues in cylinder 4, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn about P0204 symptoms, causes, and potential solutions from the diagnostic experts at RepairPal.

Feb 6, 2025 · In this guide, we will dive deep into the causes, symptoms, diagnostics, and repair solutions associated with the P0204 code. What does the P0204 code mean? The P0204 …