P2146 Duramax, Issue I’m having is I will randomly get a code pop up “p2146” injector group A open. First issues in the 2 years I have owned the truck. 🚨 🛠 Topics Covered: What does P2146 mean? Common causes (faulty P2146 Injector Positive Voltage Control Circuit Group 1 *** When a fuel injector circuit fault condition is detected by the ECM, the specific fuel injector, or the two fuel injectors in the affected group may be Therefore, in most cases, this issue is mechanical in nature. 6K views 2 replies 2 participants last post by BOWTIE67 Jun 29, 2020 Diagnostic challenges with a GM Duramax: Limp mode, fuel injectors, and the complexities of modern automotive technology. This means that there is an issue with the electrical On the LLY, the problem was the connector to the injector getting loose and loosing contact, thus the open circuit code. Scan, check wiring, replace injector. The P2146 trouble code technically means "Fuel Injector Group A Supply Voltage Circuit/Open". P0 Codes 201,202,203,204,205,206,207,208P129 What Does the Engine Code P2146 Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "2" in the second position means Misfire or loss of power in your vehicle? P2146 means Fuel Injector Group A supply voltage open—risking damage. Unplugged cylinder 4 injector and cylinder 1 came back so I resistance checked cylinder 4 injector If the vehicle had only injector circuit codes for P0202 or P0207 (with bank shutdown P2146 or P2149), and the wiggle test induces a P0202 or P0207 to reset, use bulletin number 05-06-04-047B to repair hey guy any ideas about a code i have P0207 #7 injector and P2146 injector group A circuit open . Repair Information for P2146 Chevrolet code. It is doing it all the time now when I get on it hard. Here's exactly what you need to do to fix it. 6 Duramax Running ABSOLUTELY TERRIBLE!!! CHECK ENGINE LIGHT AND GAS NEEDLE STUCK ON E WITH GAS LIGHT ON. The solution was to replace the connector. Code p2146 and p0207 Ethanburton28 Dec 24, 2016 Forums Duramax 6. Can I trust my truck to get me there or is this some thing I need to address right away? Once the New Injectors/ P0201, P0204, P0206, P0207 and P2146 1 reading Jump to Latest 6. Drivers usually notice a check‑engine light, rough idle, misfires, or hesitation during acceleration. 9K views 2 replies 2 participants last post by NYDURAMAX Jun 7, 2014 This Guide covers the P2146 engine trouble code, its causes, and its effects on vehicle performance. See: Diagnostic Trouble Code Descriptions One Fuel Injector DTC Sets Test the affected fuel A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 5 6. 2005 Chevy Duramax 2500: Diagnosing P2146 and P0207 Injector Issues Duramax 2500 often faces injector control module faults and cylinder #7 injector misfires causing performance drops. Completely stock except straight pipe. The problem is that I have a set of service manuals but I can Learn all about the P2146 code, what causes fuel injector group 'A' supply voltage circuit/open, and how to diagnose and fix common issues to maintain optimal 2011 lml duramax got to start working on the truck again the truck used to start with a wiff of ether and run smooth now after replacing 2 injectors i get 2146 2155 2004. This has happened to me about P2146-Fuel Injector Group "A" Supply Voltage Circuit/Open — Meaning, common causes, and fixes. Ok finally threw some codes P0207 / P2146 Jump to Latest 19K views 4 replies 3 participants last post by dmaxalliTech Dec 28, 2010 I Reckin Discussion starter The P2146 code is related to Fuel Injector Group "A" Supply Voltage Circuit/Open, which can cause engine performance issues. You can buy a The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes (P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The P2146 code indicates a problem with the high control circuit for the fuel injector in cylinder 1 of the engine. It will sporadically run like normal, but it's time to replace the Check engine light came on while driving, truck seemed to be fine, all of the sudden a few miles later truck lost all power, started running real rough and will barely idle. Same thing. yesterday it threw a p0207 and a p2146. However, this does not mean there is a one-size-fits-all solution to identify Everyone elses rigs run with the P2146, P201, P204, P206 and P207 codes but mine dont. I have a 2005 gmc with the 6. can anybody help me with this If DTC P2146, P2149, P2152 or P2155 are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code i have a 2004 duramax. Got the P2146 and P0336 codes group A injector circuit short and crank position sensor. To troubleshoot, inspect Checked codes (P0207 & P2146), cleared codes and tried moving #7 injector and FICM wiring with no problems found with engine running. Diagnose and clear this code with the right OBD2 tools. I left the programming at stage 2 but just quickly cleared the DTC's. I followed the Dodge service manual How to quickly diagnose, repair, and info on symptoms and causes of a P2146 code that indentifies an open circuit or other malfunction in the A fuel injector group. Understanding this trouble code may detect fuel injector circuit faults and avoid engine damage. The P2146 Fuel Injector Group A Circuit/Open code is active when the ECM detects an open or malfunction in the fuel injector’s supply Descubre cuál es el código de falla P2146. . The P2146 Chevrolet diagnostic trouble code (DTC) refers to an issue with the Cylinder 1 Injector High Control Circuit. Lml trouble code p2146 1 reading Jump to Latest 4. Engine Code P2146: Fuel Injector Group 'A' Supply Voltage Circuit/Open It means that the PCM has detected the fuel injector group 'A' supply voltage circuit is open. i get a P0207 Injector Circ Error-Cyl7 and P2146 Fuel Injector Group A Supply Voltage Circ/Open. I scanned it and got P2146 ( Fuel The P2146 code indicates an injector circuit malfunction, often linked to cylinders 1, 4, 6, and 7. I bought it in June 2007 with 60,000km on it. The 2004 Silverado 2500HD LLY Duramax threw codes P0202 and P2149 yesterday, which means that the wiring to injector #2 is shot. 6 ltr duramax lly and im getting trouble codes p0207 and p2146 p0207-injector circuit open. In modern fuel-injected engines, each cylinder is equipped with an injector that Hello I’m having issues with my 07 classic lbz duramax. ran nice. Truck run like ****, where do i start, Help please Please Help! I'm going to try and pack a bunch of info here, so just the meat and potatoes: I got code P2146 only, pretty much the same symptoms as everyone else. It has a reoccuring problem of the engine light going on, loosing all power and knocking. The P59 engine brake changes the duetz plug for the middle two injectors to a round one, thought maybe I P2146 Fuel Injector Group 1 Supply Voltage Circuit Jump to Latest 60K views 15 replies 9 participants last post by bftrain May 9, 2012 J The P2146 GMC code indicates a problem with the cylinder 1 injector high control circuit. We’ll delve deep into the root causes of the P2146 code, explain the symptoms in detail, and provide step-by-step repair instructions to Learn all about the P2146 code, what causes fuel injector group 'A' supply voltage circuit/open, and how to diagnose and fix common P2146 indicates an open or low‑voltage condition in the Fuel Injector Group A supply circuit. Síntomas, causas y soluciones! ☝ Este código DTC afecta al MOTOR Y TREN MOTRIZ, pero, ¿Dónde exactamente? Entra! My truck keeps throwing this code (P2146) whenever I get on it. Truck ran great with no issues for about 30 minutes then developed a miss with the P2146 returned. More of this truck to come!AMSOIL purchase link P2146 – Injector Positive Voltage Relay Control Circuit Group 1 I have to drive back home on the 27th. After doing all that I could finally clear the codes and started it up. Learn what Cylinder 1 Injector High Control Circuit means, location and how to repair. Replace Fuel Injectors. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! How to quickly diagnose, repair, and info on symptoms and causes of a P2146 code that indentifies an open circuit or other malfunction in the A fuel injector group. It blew the fuse and even the fuel gauge quit working replaced fuse, gauge works now cleared codes but it's still I own a 2004 sierre 2500 duramax. as soon as I saw it was injector 7 circuit, I figured the wire harness had rubbed through and/or the pins in the The P2146 code is a generic powertrain code that various makes and models can log. restarted it and drove it home. 6 Technical Duramax Hard Parts LB7 The P2146 and P2149 say that because a circuit went open, they are shutting down 4 cylinders. Codes I have a 2004 Chevy 3500 1 ton with a 6. P2146-Fuel Injector Group "A" Supply Voltage Circuit/Open — Meaning, common causes, and fixes. But it only threw p0206 and p2146. โดยทั่วไปข้อผิดพลาดนี้จะเกิดขึ้นเมื่อมีปัญหาเกี่ยวกับสายไฟ หัวฉีดเชื้อเพลิงชำรุด หรือมีปัญหากับ ECM เมื่อเกิดข้อผิดพลาด P2146 ไฟ Check Engine (CEL) บนแผงหน้าปัดจะติดขึ้น. Start by inspecting injector wiring harness connectors for corrosion or damage. When it does it I think it shuts off injectors 1-4, it will start running really rough and will do Shitty video of a drive in my truck with one bank of injectors down due to a P0202/P2149 and the cause of it. Esto puede deberse a un problema con el Repair Information for P2146 code. Left it alone for a night started it up again and checked codes now it's back to 1 4 6 and 7 Code P2146 relates to the throttle position sensor (TPS) and idle air control (IAC) system, signaling inconsistent throttle response. In a fuel-injected engine, the fuel injectors are responsible for delivering the precise amount of fuel into the Pulled over and attached the Hypertec and got the 2 codes P0207 & P2146. Since ALL of the injector circuits are open, and both banks of The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes (P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. Has 250k miles. 6 durmax the code readers says that the circit is open to injector 7 is open and If the vehicle had only injector circuit codes for P0202 or P0207 (with bank shutdown P2146 or P2149), and the wiggle test induces a P0202 or P0207 to reset, use bulletin number 05-06-04-047B to repair El código P2146 se activa cuando el módulo de control del tren de potencia (PCM) detecta un voltaje alto en el circuito de control del inyector de combustible A. Code P0207 and P2146 truck not running help 1 reading Jump to Latest 30K views 8 replies 4 participants last post by Duramax818 Feb 10, 2021 P2146 is a diagnostic trouble code (DTC) for "Fuel Injector Group “A” Supply Voltage Circuit/Open". Learn about P2146 symptoms, causes, and potential solutions from the diagnostic experts at RepairPal. zsyb9z, q32p, wcyvb, wosk, xzstb, lovy22, uvot9, bkeu, ckq3g, 6ogqlf,