P0303 pd. I haven't tried Description OBD-II Trouble Code Description for P0303 Volkswagen Cylinder 3 Misfire Detected What does this mean? OBD2 Code P0303 Volkswagen definition: A P0303 Volkswagen code means that the the car’s computer has detected that one of the engine’s cylinders is not firing properly. Treat P0303 with these codes like it has P0300. In this case it’s cylinder #3. In this article, you will find everything you have to know about this code If you have a P0303 DTC stored on your vehicle, or any misfire at all, then this video may help you out. Jan 13, 2026 · How to fix a P0303 code quickly and efficiently by addressing spark plugs, ignition coils, and more—discover the essential steps you need to take. In simplified it could be explained: ECU increases or decreases fuel amount injected to each cylinder to achieve smooth running at idle. to/h-cppDo you have a check engine code P0303, which indicates an engine misfire on cylinder 3? In this video, Sue sh P0303 code indicates a misfire in cylinder 3 of your engine. Misfire means that the combustion process inside one or more cylinders isn’t happening properly. By clearing faults 3 times in a row What are common symptoms of OBDII code P0303 in a Toyota indicating a cylinder 3 misfire? Symptoms may include engine rough idle, loss of power, poor acceleration, and noticeable vibrations while driving. At 300 000 km a lot of 1,9 PD TDI engines are in critical condition FYI: "Injector deviation" is very, very theoretical measurement calculated by ECU. 2 Cylinder Misfire Detected), P0303 (No. Learn what Cylinder 3 Misfire Detected means, location and how to repair. If you have an engine misfire, which will feel like a rough idle or rough running engine while driving, and a check engine light for trouble code P0303, it means there is an issue with cylinder 3 on your engine. Do I need to replace the spark plugs to solve this problem? Thanks 9 Posts Reaction score 0 Location Ohio, USA Discussion starter · #4 · Apr 11, 2017 P0300 pd, P0306 pd, P0305 pd, P0304 pd, P0303 pd, P0161, P0158, P0138, P0365, P0365 pd. Hello, I have a 2014 Pathfinder that when I was accelerating while towing the other the engine started running rough and struggling to accelerate. When your vehicle misfires it will cause rough idling and poor acceleration among ma Check engine light came on and I used an OBD code reader to see what the problem is. For the last couple months it has had some 6-7 seconds cranks and stumbled as soon as it cranks. Read on! Repair Information for P0303 Volkswagen code. Misfire Monitor Different manufacturers implement OBD-II requirements slightly differently. A misfire is defined as a general lack of adequate combustion on one or more cylinders. P0303 - cylinder 3 misfire cylinder engine misfire Jump to Latest 7. Check engine light came on and I used an OBD code reader to see what the problem is. 1. Fuel return line pressure should be 14. The P0303 code signals a misfire specifically in Cylinder 3. I pulled the code and got a P0300 and P0303. You can't post conmments that contain an email address. 0 with 95,000 popped a p0303 code today, says it is a cylinder 3 misfire. Of course cylinder 3 is on 2015 - 2020 F150 - P0303 - My ?17 f150 5. 5L V6 engine. This often occurs after an actual misfire repair has been performed. Misfire P0300, P0302, P0303, P0304 Jump to Latest 3. It is usually a sign of fuel pressure or compression problems, as well as faults in the ignition system or delivery system. Specific P0300 codes, such as a P0303, indicate which cylinder the misfire is happening in, so a P0303 code means a misfire is detected in cylinder 3. Do I need to replace the spark plugs to solve this problem? Thanks. Misfires are detected by an engine’s ECM/PCM and are logged to create freeze frame data P0303 Cylinder #3 Misfire Technical Description Cylinder #3 Misfire Detected What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. In this guide, we will delve into the specifics of the P0303 code, detailing its significance in automotive diagnostics. If you have multiple codes with P0303, jump down a section. The misfires cause the engine control unit to turn on the check engine light and put the vehicle into what is known as “failsafe mode” to prevent further damage to the vehicle. A misfire is the inability of one or more cylinders to produce adequate combustion. P0303: causes, symptoms and repairs The meaning of fault code P0303 P0303 indicates that the third cylinder of the engine is misfiring, meaning that the combustion cycle was incomplete. Check spark plugs. Here’s my story: We have a 2007 Honda Pilot with a 3. Description OBD-II Trouble Code Description for P0303 Kia Cylinder 3 Misfire Detected What does this mean? OBD2 Code P0303 Kia definition: A P0303 Kia code means that the the car’s computer has detected that one of the engine’s cylinders is not firing properly. Our expert mobile mechanics can diagnose and fix your P0303 trouble code wherever you are. When the vehicle's onboard computer detects irregularities with the combustion process in this specific cylinder, it triggers the check engine light. 5 psi according to the manual to maintain the force equilibrium between the pump/injector needle valve. Therefore, DTC P0303 would indicate a repetitive lack of combustion on cylinder #3. Suspect an ignition-related cause or a vacuum leak. Reply Like The P0300 Trouble Code indicates that one or more engine cylinders are misfiring. Code P0303 was diplayed which means cylinder #3 misfired. Mechanic's Assistant: Are you planning to fix your Enclave yourself? What steps have you taken so far? Customer: I would like to. You have tested and replaced the usual components when there's a single cylinder misfire and no other codes. The ECM will not automatically relearn the crankshaft sensor profile adaptation. P0303 + Other Cylinder Misfire Codes Treat P0303 with these codes like it has P0300. P0303 shows multiple misfires of cylinder number 3. A misfire occurs when the fuel-air mixture in the cylinder fails to ignite properly, resulting in a lack of power, rough idle, and potential engine damage if not addressed. 6K views 41 replies 3 participants last post by karel Feb 16, 2025 K Repair Information for P0303 Toyota code. My understanding is the PD injectors aren't very tolerant of either. I have been focusing on identifying the cause of the misfire on cylinder 3. I first checked and changed all spark plugs with new ones (the old ones looked a bit worn, but dry and relatively clean - not black or oily). 2015 - 2020 F150 - P0303 - My ?17 f150 5. I have 2 codes showing up P0303 and P0303 pd mod $10 Clicking this will make more experts see the question and we will remind you when it gets answered. Each cylinder plays a critical role in producing engine power, so a misfire in any of… P0303 Fix: Kia Forte If P0303 is the only code you get when you plug an OBD II scanner into your Forte, this section should help you determine what is causing the code. How to repair P0303 Ford — Cylinder 3 Misfire Detected P0303 Volkswagen Code - Cylinder 3 Misfire Detected Table of contents Created and updated by William Orellana on Sep 07, 2024 Description Common Causes Symptoms How To Fix Cost to Fix Tech Notes Comments Add Comment A P0303 code tells you only that a misfire has been detected, not WHY the cylinder is misfiring. For More Info visit us at: https://1aau. I connected the scanner and it showed me the code "P0303 cylinder 3 misfire detected", I changed the spark plugs and it is still giving my the failure. That’s why with this code, a thorough diagnosis is mandatory. Repair Information for P0303 Ford code. DTCs P0300, P0301, P0302, P0303, P0304 may set as well. A DTC P030X means that one or multiple cylinders are Code P0303 KIA Description The P0303 diagnostic trouble code (DTC) for KIA vehicles indicates that a misfire has been detected in cylinder 3 of the engine. 7K views 3 replies 3 participants last post by heriberto33093 Jun 26, 2024 Warranty Extension: 2017-18 CR-V: DTC P0300, P0301, P0302, P0303, P0304, or P0172; Whirling Noise from Engine Supersedes 19-037, dated April 5, 2019, to revise the information highlighted in yellow. By clearing faults 3 times in a row Fix a P0303 code by diagnosing cylinder 3’s misfire. 1 Cylinder Misfire Detected), P0302 (No. P0303 will often be accompanied by codes P0301, P0302, P0304, P0305, etc… These codes indicate a misfire in cylinders one, three, four, and five, respectively. When an engine’s onboard computer triggers the P0303 fault code, it’s highlighting a misfire in cylinder three. DTC P0303 means “Cylinder 3 Misfire Detected”. Check Find out in this article what a P0303 code means, its common causes, and the associated symptoms with this OBD-II trouble code. This issue can lead to poor engine performance and decreased fuel efficiency. I've replaced all spark plugs on Mechanic's Assistant chat Customer: I have a P0303 (pending) and intermittent P219E code along with intermittent EPC lights. Possible causes of code P0303 include problems with the ignition system (spark plugs, coil packs, ignition wires), fuel system (injectors), or mechanical engine issues. It is the engine version of an unexpected cough. Swap Test Here’s a quick and easy test to determine what is causing your Forte’s third cylinder to misfire. Can I drive with a P0303 error? Oct 6, 2025 · Diagnostic trouble code P0303 simply indicates that multiple misfire events have been logged on cylinder #3 of a vehicle’s engine. "3" in the third character position in a DTC indicates that the ignition system or misfire is I’ve found many posts about the misfire CEL codes on here but haven’t actually found a solution. It was a "cylinder 3 misfire detected" code (P0303) - YAY! Cylinder 3 - the hardest one to reach. Now I seem to be chasing the problem and unable to find a solution. Code P0303 KIA Description The P0303 diagnostic trouble code (DTC) for KIA vehicles indicates that a misfire has been detected in cylinder 3 of the engine. Repair Information for P0303 Volkswagen code. What Does the Engine Code P0303 Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "0" in the second position means that this is a generic OBD-II (OBD2) DTC. 4 Cylinder Misfire Detected), or P0172 (Fuel System Too Rich) to set. I have a P0303 (pd-pending) and intermittent P219E code with intermittent EPC lights. While it may seem trivial, such a misfire can lead to serious repercussions for your vehicle's overall efficiency and functionality. Check the spark plug, ignition coil, and fuel injector for issues. The P0303 trouble code means that there are multiple engine misfires in cylinder 3. Technical Background This technical tip addresses false engine misfire faults, a flashing MIL lamp or misfire counts, with no physical misfire being felt. I assume you're getting P0303? This code is set if the Powertrain Control Module (PCM) detects a variation in crankshaft speed that exceeds a calibrated value; based on engine RPM and load. The misfire monitor is an OBD-II procedure which identifies a misfire. Andy Phillips shows how to diagnose and fix a P0303 engine misfire code. How to repair P0303 — Cylinder 3 Misfire Detected Learn about P0303 symptoms, causes, and potential solutions from the diagnostic experts at RepairPal. You may also see other misfire-related codes, such as P0300 (random/multiple misfires) or P0301–P0308, indicating issues in other specific P0303 Code: Cylinder 3 Misfire Detected due to a faulty spark plug/spark plug wire, a damaged camshaft sensor, a bad ignition coil, or a vacuum leak. There are one of two updates that can be It is the engine version of an unexpected cough. About 2 months ago, it started running rough and threw the Solve the Volkswagen Code P0303 issue with help from service bulletins & troubleshooting steps. Make: Volkswagen Code: P0303 Definition: Cylinder 3 Misfire Detected Description: Time after engine start, idle 150 RPM Camshaft revolutions, 1 Engine speed range, idle 6600 RPM Engine torque, > 0 torque (Nm) IAT, > -48° C Fuel cut off, Not active ECT at start, > - 30° C Rough road, Not detected Internal CAN, No fault Cause: Check fuel injectors. Learn what the P0303 diagnostic trouble code means and how to troubleshoot a misfire in cylinder 3 of your engine with AutoZone. Check igntion coils. The P0303 code indicates a misfire specifically in cylinder number three. Although generic, the specific repair steps may vary depending on make/model. Mechanic's Assistant: What is the model and year of your vehicle? Customer: It's a 2009 Buick Enclave. 3 Cylinder Misfire Detected), P0304 (No. What Does The P0303 Error Code Mean? The P0303 error code indicates a misfire on cylinder 3 of the engine. I don´t know what is next to change to see if the problem is solved, thanks in adavance. A P0303 code displays on your OBD2 computer when your engine control unit (ECU) detects multiple different misfires from cylinder 3. Put engine back together, cleared codes and the same code appeared. BACKGROUND Under certain circumstances, the vehicle may experience driveability concerns, which may result in DTC's P0300 (Random Misfire Detected), P0301 (No. A P0303 code means that the the car's computer has detected that one of the engine's cylinders is Oct 30, 2024 · Here's everything you need to know if your engine is showing the P0303 error code, which indicates that the engine control module has identified a misfire in cylinder Jan 18, 2025 · What does the P0303 Cylinder-3 Misfire Detected mean? P0303 code gets triggered when the Engine Control Module detects an engine misfire on cylinder-3. Repair Information for P0303 code. Learn about the Cylinder 3 Misfire Detected issue. Replace or clean faulty parts, verify proper compression, and reset the code with an OBD-II scanner to restore smooth engine performance. The codes are P0300, P0300 PD, P0303, P0303 PD, P0301 PD, P0305 PD, P0306 PD, and P0496 PD. p6se, p9x18, kkje, wjbxn, wlhckh, vw87, 0z5d2, my7ob, dwlecw, yce7l,