Cylinder 1 Injector Control Circuit. Dec 26, 2025 · Long pulse = more fuel Short pulse = less fue
Dec 26, 2025 · Long pulse = more fuel Short pulse = less fuel Fuel Injector Codes P0200 – Injector Circuit Malfunction P0201–P0208 – Injector faults by cylinder Example: P0201 = Injector Cylinder 1 P0204 = Injector Cylinder 4 Misfire + cylinder imbalance ECU – The Brain All sensors report to ECU. Although the code's reference is the same, the repair Wiring Diagram: Circuit Description The powertrain control module (PCM) has six individual injector driver circuits. Symptoms include rough running, misfires, and reduced fuel economy. The PCM energizes the solenoid coil of each fuel injector individually by completeing the electrical circuit to ground. Each controls an injector. ” This means there could be a broken wire, loose terminal, burned out injector council, or some other circuit interruption issue with the #1 Fuel Injector Circuit. LABWORK 6 CYLINDER Injector Flow Meter Tester Kit Common Rail Adaptor Test Tool - $37. 2:1. The maximum output is 123 hp (92 kW; 125 PS) at 3600 rpm and the maximum torque is 296 N⋅m (218 lb⋅ft) at 2000 rpm. Cylinder #1 Injector Circuit Low What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. ” It’s set when there’s a problem in the fuel injector circuit’s performance. The fuel pressure solenoid (pressure control valve) in the fuel rail has final control of rail pressure and prevents over pressurizing of the system. P0261 Symptoms Check Engine Light will illuminate In some cases, the engine will misfire and have a rough idle Repair Information for P2146 code. Description: This kit is 257323808666. This means that there is an issue with the electrical connection or wiring related to the fuel injector in this specific cylinder. Learn more How to fix P0202 Code: Injector Circuit/Open Cylinder 2 A P0202 code is set when the computer (ECM/PCM) detects the voltage is not correct for the cylinder #2 fuel Injector. 👉 Like ️ | Share 📤 | Follow 🔔 👉 हर ड्राइवर को भेजो 🚗 “अगर आपकी गाड़ी में ये लाइट जली है, Comment ‘YES’ लिखो” (गाड़ी की ये 3 लाइट्स IGNORE मत करना 🚗⚠️ | The 1KZ-T is a version of the KZ series engine that used a fully mechanical injector pump. Aug 26, 2024 · The P0261 is a generic OBD-II code that indicates "Cylinder 1 Injector Circuit Low". The fault codes for the two cylinders are: Cylinder 1-P0201 (10) – D026 Cylinder 1 Injector Control Circuit- Open Circuit; Cylinder 2-P0202 (20) – D027 Cylinder 2 Injector Control Circuit- Open Circuit. Although generic, the specific repair steps may vary depending on make/model. How to fix P0203 Code: Injector Circuit/Open Cylinder 3A P0203 code is set when the computer (ECM/PCM) detects the voltage is not correct for the cylinder #3 Nov 23, 2021 · The function diagram for INJ circuit includes the following: • Injectors • Electronic Control Module (ECM) • Injector Driver Module (IDM) • Controller Area Network (CAN 1) link • Camshaft Position Output (CMPO) signal • Crankshaft Position Output (CKPO) signal Function The IDM is used to control the injectors. The PO262 code stands for “ Cylinder 1 Injector Circuit High. A defective fuel injector, PCM issues, and circuit problems could trigger the code. The compression ratio is 21. P1201 GMC — Transmission Range Redundant Command Message Counter Incorrect P1201 Honda — Fuel System Failure Caused No. Repair Information for P124F code. [1] Applications: 4Runner KZN130L [1] Hilux Land Cruiser KZJ77 Here are a few things to consider: - Injector Timing and Control: If the injector is firing at the wrong time, it could be due to an issue with the PCM (Powertrain Control Module) or wiring harness. In an effort to meet fuel and emissions standards, many manufacturers are utilizing cylinder deactivation systems. plugged the launch euro tab 3 and quickly diagnosed cylinder 1 which was where the misfire was at, and if you didn't know on Renault engines cylinder P0203 Injector Circuit/Open - Cylinder 3 🟢 Trouble Code Symptoms Causes Solutions OBD CODE 14K subscribers Subscribed Code P0261 is triggered when the voltage in the #1 Cylinder Injector Circuit is too low. The PCM monitors the current in each driver circuit. Aug 30, 2024 · When the OBD-II code P0201 appears, it indicates a malfunction in the injector circuit of cylinder 1 in the vehicle's engine. This is for a 2003 Saab 9-3 with fault code P0201 (Cylinder 1 Injector Circuit Malfunction). Causes often involve faulty wiring, a malfunctioning fuel injector, or ECU issues. Technical Description of OBD-II Trouble Code The fuel injector circuit for Cylinder #1 is experiencing low voltage. Jan 15, 2026 · Fault: The Engine Control Module (ECU) has detected that Cylinder 1 is underperforming, usually due to a faulty fuel injector, wiring issue, or fuel system problem.
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