P0304 ford. Code P0304 and P0303 triggering.
- P0304 ford However, after picking up the truck, about two miles from the dealership, the check engine light comes on. riptstar Regular Member Posts: 51 Joined: Fri Oct 14, 2005 12:11 pm Location: Horseshoe Bay, Tx. First couple times I replaced the #4 spark plug, problem solved. A forum community dedicated to Ford Mustang owners and enthusiasts. If P0304 is the only code you get when you plug an OBD II scanner into your Kuga, this section should help you determine what is causing the code. Car was running perfectly before I checked the oil and it does not smell like fuel and has no water in it. Opis techniczny i dekodowanie błędu P0304 Co oznacza kod P0304? Kod P0304 oznacza, że w cylindrze numer cztery wystąpił problem z zapłonem. It has 96k, but the block was replaced by Ford at 60k (before he purchased the car). Cylinder 4, 5 and 6 Misfire. Code P0304 and P0303 triggering. What is the P0304 Code? P0304 is a diagnostic trouble code (DTC) seen when a misfire is detected in cylinder 4. 2. Faulty spark plug: A worn-out or damaged spark plug can cause a misfire in the cylinder. Any ideas what it can be now. A few months ago, I swapped engines in it. 2006 5. P0304 Fix: Ford C-Max. i'm changing the spark plugs tonight, any other suggestions? Top. Cost to Fix P0304 2001 Ford Explorer. Here’s a quick and easy test to determine what is causing your F150’s fourth cylinder to misfire. 9, 4. Did anyone know about “Mode flashes for 30 seconds and then goes off. This means that the fuel-air mixture in this specific cylinder is not igniting properly, leading to an imbalance in the combustion process. Say goodbye to cylinder misfires today!. FORD FOCUS CODE P0301 P0302 P0303 P0304 MISFIRE FIXIf you have Ford Focus and have engine light on and code P0301, P0302, P0303, P0304 we will explain what m TECHNICAL SERVICE BULLETIN Misfire With DTCs P0301, P0302, P0303, And/Or P0304 Stored In The PCM 24-2384 20 November 2024 Model: Ford 2023-2025 Escape Engine: 1. When one cylinder isn’t functioning properly, the entire engine struggles to maintain smooth operation. Par exemple, certains des correctifs documentés les plus courants pour un code P0304 sur un Ford F-150 XL 4. Here’s a quick and easy test to determine what is causing your Focus’s fourth cylinder to misfire. I did a combustion check and found out there was a combustion leak. 0L Automatic Trans. Follow along with the diagnostic process. Pulled out upstream 02 to see if the cat was clogged. How to find ignition misfires. Ran great for 3 weeks and then same thing, missing in PROBLEM is: The P0204 and P0304 codes will not clear, using my Autel scanner. Ford P0304 OBD-II Trouble Code Definition: P0304 Cylinder 4 Misfire Detected P0304 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0304 Cylinder 4 Misfire Detected What does the code mean? OBD-ii Code P0304 definition: A P0304 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. It has never overheated to our knowledge. N 1997 - 2003 F150 - P0301 and p0304 - Ford F150 Heritage 5. If your Ford Expedition has the P0304 trouble code, you should know that it's about as common of a code as there is. Here’s a quick and easy test to determine what is causing your C-Max’s fourth cylinder to misfire. If P0304 is the only code you get when you plug an OBD II scanner into your Escape, this section should help you determine what is causing the code. Before you can even diagnose P0304 in your truck, you need to find the fourth cylinder’s location. What are the common symptoms of OBDII code P0304 on a 1998 Ford F150? A: Common symptoms of code P0304, indicating a cylinder 4 misfire on a 1998 Ford F150, include engine hesitation, rough idling, loss of power, and potential engine vibrations. 8, 2. If P0304 is the only code you get when you plug an OBD II scanner into your Edge, this section should help you determine what is causing the code. This new calibration The P0304 code means that cylinder 4 is misfiring or is randomly misfiring. His CEL came on with a P0304 code. If the problem persists more tests P0304 DTC means that there’s an engine misfire in cylinder 4. 2L 40k miles-- CEL with P0304 Cyl4 misfire - Hey gang woke up this morning to this P0304 Cyl4 misfire and CEL truck runs fine to me just looking for some guidance as I have never had a 16 plug truck before. Replaced just Customer: Second Opinion] I keep getting codes p0300,p0304,and p0306 on my 2010 ford excape 3. Thank goodness it was covered with the warranty. If P0304 is the only code you get when you plug an OBD II scanner into your Fusion, this section should help you determine what is causing the code. P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308—NO DRIVEABILITY SYMPTOMS—BUILT ON OR BEFORE 11/30/2012 FORD: 2013 Mustang This article supersedes TSB 12-12-8 to update the (1) If these conditions were met then Service Procedure. Skip to content. I had code P0304 come up causing misfire and sputtering and vibration of the car. Code P0304 2010 Ford Fusion Description. This step is so simple but requires rapt attention. Symptoms of a misfire in cylinder 4, associated with the P0304 code, often include rough idling, reduced fuel efficiency, and a noticeable lack of power. Remember, The code is often associated with diagnostic codes P0300, P0301, P0302, P0303, P0304, P0305, and P0306. The ECU monitors the operation of all cylinders to ensure they are all firing on time, so when The P0304 code specifically indicates the misfire is occurring on cylinder 4, as indicated by the last digit in the code; P0302 would refer to a misfire on cylinder 2, for instance. P0304 Fix: Ford Explorer. Pulled over after forcing it up a hill and discovered primary coil not firing. The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. Here’s a quick and easy test to determine what is causing your Edge’s fourth cylinder to misfire. The P0304 code means that cylinder #4 is misfiring or is randomly misfiring. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. If The site for Ford truck owners, by Ford truck owners. Simply put, a misfire is the relative absence of a complete combustion event, as If you get an OBD-II scanner error code P0304 problem, it means one of the cylinders is not firing correctly. Kleenex travel size tissues - Target $1. I changed the plugs gaped them at 45 I changed the coils and I just put on new injectors all 6 of them I still getting those 3 codes. Will a P0304 code affect my vehicle’s performance? A P0304 code indicates a cylinder 4 misfire, which can significantly impact your vehicle’s performance. Chevrolet Silverado: Chevy Silverado also has similar vulnerabilities as the F-150 including failing spark plugs that require frequent changes. P0304 4th cylinder misfire Images. Typically only throws the code once a day and after the code is cleared, it’s ok for the rest of the day. 2014+ Transit; Transit Connect; 1968-Present E-Series Van/Cutaway/Chassis; Ranchero & 1961 - 1967 Econoline; Nite, Nascar & Other Limited Edition Ford Trucks; Performance, Engines P0304 Fix: Ford F250. He told me he feels the misfire on cold starts, but it drives fine. By understanding the symptoms, causes, and solutions, you can take proactive steps to fix the problem and keep your vehicle running smoothly. 😎If this vid Escape & Escape Hybrid - Misfire codes: P0304 & P0305 - I just recently purchased a used 01 Escape V6 from a dealer. Ford Raptor Problems and Questions Forum . It would always miss when you first start it and under a light load. 5L EcoBoost Engine: 2. 97 98 99 00 Disclaimer:Due to factors beyond the control of Rust Bel Testing a misfire code (P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308) can be quite a challenge, since so many different things can cause a misfire on your 4. The diagnostic trouble code P0304 for a 2010 Ford Fusion indicates that a misfire has been detected in cylinder 4 of the engine. Cost: $50–$2,117, based on P0304 Fix: Ford Flex. I assume they reused the OG intake and fuel system with a long block replacement. 6l, 5. 4L 3v misfire. 0 V6 XLT FWD. Cure the P0304 Ford code with expert tips and regain peak engine performance. Learn about symptoms, common causes, and expert diagnostic tips to resolve issues effectively. Estimated Cost Of Repair. Faulty spark plug: A worn-out or damaged spark plug in cylinder 4 can lead to a misfire. W niniejszym artykule przyjrzymy się przyczynom, objawom oraz rozwiązaniom związanym z błędem P0304. What the P0313 code means. I pulled a dual engine code, ran the codes on my reader - misfire in cyl 1 and 4. Here’s a quick and easy test to determine what is causing your Raptor’s fourth cylinder to misfire. SPECIAL NOTES: Although generic OBD II trouble codes such as P0304 – “Cylinder 4 Misfire Detected” can, “Cylinder 4 Misfire Detected” as it applies to the Ford models that are most commonly affected by it. It has never happened throughout the day unless it sits for more than 8 What is code P0304 on Ford? Code P0304 Ford implies that the Cylinder 4 of the car’s engine is misfiring. 0 hour of labor. Chevrolet: Este código también es frecuentemente encontrado en autos Chevrolet, como el Chevrolet Silverado y el Chevrolet Cruze. P0304 is a drivability concern and should be dealt with right away. The estimated cost of repair is ambiguous because it really depends on what Raptor 2019 and 40K miles I was able to get to the dealer and truck just died code P0300, P0304, P0305, P0306 Anyone had same issue??? Forums. 0L EcoBoost 2025 Explorer Engine: 2. 5 Running lights all wired up The Ford Edge Forum is not affiliated with, sponsored, endorsed, licensed or approved by Ford Motor Company. OBD II fault code P0304 is a generic trouble code that is defined as, P0304 – “Cylinder 4 Misfire Detected” and is set when the PCM (Powertrain Control Module) detects a consistent misfire on cylinder #4 when the engine is P0304 is a cylinder-specific misfire code, meaning only your F150’s fourth cylinder has a misfire. If P0304 is the only code you get when you plug an OBD II scanner into your F350, this section should help you determine what is causing the code. It's a generic OBD IIcode (same meaning for all vehicles) that indicates that your vehicle’s fourth cylinder is misfiring. Several problem areas can be at fault, including a bad spark plug or spark plug wires, a damaged ignition coil, or a vacuum leak. When the diagnostic trouble code P0304 appears on a Ford vehicle, it indicates that a misfire has been detected in cylinder 4 of the The P0304 code means that cylinder #4 is misfiring or is randomly misfiring. I have a 2013 Ford Escape Titanium 140,000 miles. Here’s a quick and easy test to determine what is causing your Fusion’s fourth cylinder to misfire. speaker upgrade By Brandon123, 1 hour ago. Over 100K miles, so I changed plugs and wires, fuel filter, and reset the light. FAQ; F150 Forum. Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, P0304 Fix: Ford Escape. Owner insisted on 2004 - 2008 Ford F150 - Intermittent P0304 code - Recently my truck has started showing a P0304 code, running rough and hard starting. To diagnose the P0304 2001 Ford Explorer code, it typically requires 1. New posts New profile posts Latest activity. 0 liter motor . 49 Thread Tools. If the problem persists more tests need to be done to diagnose the problem, see "Possible Causes". This means that the fuel-air mixture in the combustion chamber of cylinder 4 is not igniting properly, leading to an imbalance in the engine's operation. 3L EcoBoost 2024 Mustang Engine: 2. Escape & Escape Hybrid. 2021+ Bronco; 2021+ Bronco Sport; 1978 - 1996 Big Bronco; 1966 - 1977 Early Broncos; Bronco II; Ford Vans and other vehicles. You might notice rough idling or reduced power during acceleration. I I was driving my 2010 Ford Escape 3. So, follow this guide religiously. New plugs, wires, ignition coil, fuel pump, and fuel filter. 6L with misfire code P0304. In this Hey everyone! in this video we will be figuring out why this Ford Fusion lacks power and has misfires. 12 posts • Page 1 of 1. Always start with the basics, and if you're unsure, don't hesitate to consult a professional mechanic. 6L - Check Engine Light is on - Smyrna, Georgia We had a issue with this Expedition, it had a p0304 code cylinder 4 misfire. P0304 Fix: Ford Kuga. P0304 Fix: Ford Ecosport. 0 V6 - Recurring DTC: P0304 (Cyl 4 misfire) 4. QUESTION: Should these clear out? Is it a scanner issue or do we still have an issue? No I did not scan the vehicle prior to making the repair only afterwards. I have only put 20K miles since I have owned it, and 15K of that is P0304 Fix: Ford Focus. Home FordP0304 Ford DTC P0304 Make: Ford Code: P0304 Definition: Cylinder 4 Misfire Detected Description: The PCM continuously monitors the crankshaft speed and acceleration for each cylinder event. In this video, P0304 Fix: Ford F150. 2011+ Engine Related Questions - 2013 EcoBoost Timing Chain and P0304 - OK, so my sons truck was diagnosed with the dreaded timing chain cam phaser issue. Close. P0304 Fix: Ford Ranger. P0304 Fix: Ford F350. If P0304 is the only code you get when you plug an OBD II scanner into your Explorer, this section should help you determine what is causing the code. I don't have anything negative to say about the product; just stating when this started. 1 or another one that works properly. Here’s a quick and easy test to determine what is causing your Flex’s fourth cylinder to misfire. 2L regular bed/cab 4X4. If P0304 is the only code you get when you plug an OBD II scanner into your F250, this section should help you determine what is causing the code. Pulled the codes and it showed P0304 and P0307, cylinder 4 and 7 P0304 Fix: Ford Edge. If P0304 is the only code you get when you plug an OBD II scanner into your Ranger, this section should help you determine what is causing the code. In Jan engine started missing and the check engine light came. Ford; Jos autossasi näkyy koodi P0304, varmista, että olet suorittanut diagnostiikan oikein ja että virhe on edelleen läsnä. Diagnosing Coolant Thermostat Issues in 2015-2020 Honda hi guys, my truck strated to run rough and the engine light came on, code p0304, misfire cylinder #4, i put new plugs, didnt help, i switch coil and injector to a different cylinder and that didnt work either, still have a misfire on #4, i dont know what else to 2009 - 2014 Ford F150 - P0304 Misfire - I am having a P0304 misfire on my 2012 F-150 5. Swap Test. I lost. The diagnostic trouble code P0304 for a 2003 Ford F150 indicates that a misfire has been detected in cylinder 4 of the engine. Here’s a quick and easy test to determine what is causing your Ranger’s fourth cylinder to misfire. 195 psi of compression, swapped injector, plug and coil to a different cylinder, no change. Le code défaut P0304 indique un raté d'allumage dans le cylindre 4. jwt873 Ford Truck Fanatic Posts: 1889 Joined: Mon Jan 31, 2005 5:08 am Truck: 1998 F-150 4X4 Regular P0304 2011 Ford Fusion Code - Cylinder 4 Misfire Detected. 1997 - 2003 F150 - Need help troubleshooting P0171, P0174, P0302, P0303, P0304, P0305 - This past winter my son swapped $200 and a non-working go kart for a 2001 F150 XL 4. The typical repair costs for addressing a cylinder 4 misfire in a 2001 Ford Explorer can range from $100 to $500, depending on the specific cause of the issue and the cost of parts and labor. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 4. I'm more concerned with #8. Der Fehlercode P0304 bedeutet, dass das elektronische Steuergerät eine Fehlzündung im vierten Zylinder (daher die Nummer 4 am Ende des Fehlercodes) registriert hat. #4 misfires under load. Take it It has the P0304 misfire code, is losing coolant with no visible leaks, and spouts a white cloud of smoke/steam upon start-up and it smells like coolant. Here’s a quick and easy test to determine what is causing your F350’s fourth cylinder to misfire. 6L and 115,000 miles on her. OBD-II Trouble Code Chart / P0304 - OBD-II Trouble Code; Get back on the road. 4L misfire, code P0304. So I changed all 4 plugs and coil packs and erased the code. Symptoms of Code P0304. 2004 - 2008 Ford F150 - P0308 and P0304 - Hello. It does not always throw the p0316 when it throws the p0304. #8 misfires no matter what. Cost to Fix P0304 1997 Ford F150. 0 that started about a month ago. Shortly after that it came on and stayed on. 1997 - 2003 F150 - Code - P0304, fuel injector? - I've got a '98 F-150 SC 4X4 with a 4. 5L P0304 - Driving to harbor freight for engine stand. and going up a hill and the Escape started to shutter and check engine light came on and started blinking then about 10 seconds later check engine light went off got home and ran the code reader on it and it have no active code present but it had a freeze frame code of P0304 and but it did never shutter again Troubleshooting P0304 (CYL 4 Misfire) error code on a 2008 Ford F250 5. Here’s a quick and easy test to determine what is causing your Kuga’s fourth cylinder to misfire. May have codes p0300 p0301 p0302 p0303 p0304 p0305 p0306. This code may be seen with other misfire codes and lean / rich codes. Heres where I stand I replaced the coil 30000 miles ago with a oem ford one The truck has new spark plugs and wires (motorcraft) #4 has a newer one less then 50 miles on it New fuel filter (motorcraft) 1983 - 2012 Ranger & B-Series - 99 Ranger P0304 And Running Rough! Help! - 1999 Ford Ranger 4WD 4. Tarkista ongelmaan liittyvät oireet ja tutustun ongelman ratkaisuvaihtoehtoihin. DTC P0304 indicates that a misfire has been detected in cylinder #4. Still a misfire. I bought it about two years ago with 98K on it. 4 triton, cat back exhaust and Green element filter, so far. . Katsotuimmat autonkorjausvideot P0304 Fix: Ford Fusion. Ranger fell on its face. What is the code P0304 on a Honda engine? P0304 engine code on a Honda engine indicates that a cylinder in the vehicle has misfired frequently enough for the PCM to Explore OBD-II code P0304 for cylinder 4 misfire detection. It started and ran when we checked it out, and that was good Ford F-150: The Ford F-150 often suffers from faulty spark plugs and ignition coils that lead to a P0304 code. What actually fixed the issue was a vacuum line that the connector was burned. ). It's a generic OBD IIcode (same meaning for all vehicles) that indicates that your car’s fourth cylinder is misfiring. OK here is my dilema. What's new. If P0304 is the only code you get when you plug an OBD II scanner into your Ecosport, this section should help you determine what is causing the code. Thread starter P0304 Ford Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis. Troubleshooting Faulty Brake Light Switches in 2012-2020 Subaru Outback. Here’s a quick and easy test to determine what is causing your Taurus’s fourth cylinder to misfire. 3L EcoBoost Lincoln 2023-2025 Corsair Engin P0304 Fix: Ford Raptor. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. If P0304 is the only code you get when you plug an OBD II scanner into your Focus, this section should help you determine what is causing the code. A number of symptoms have been known to accompany the onset of an active P0304 diagnostic trouble code. Frequently Asked Questions about P0304 1998 Ford F150 Code 1. 02 and ISSUE higher. If P0304 is the only code you get when you plug an OBD II scanner into your Flex, this section should help you determine what is causing the code. 2L 2008 impliquaient le remplacement d’une bobine d’allumage, d’une For others who might have further interest in Ford’s misfire strategy, here’s a well written article discussing Ford’s misfire strategy. If your Ford Crown Victoria has the P0304 trouble code, you should know that it's about as common of a code as there is. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder #4. A P0304 code in your Ford Fusion can be concerning, but with the right approach, it's a manageable issue. Tech Notes for P0304 2001 Ford F150. The Powertrain Control Module (PCM) detects that a misfiring is occurring in the 4th cylinder in the car motor, thereby alerting the engine to set this trouble code. 1983 - 2012 Ranger & B-Series - 2000 Ranger 2. The P0304 code in your Ford F-Series truck can be a sign of various issues, but with the right knowledge and tools, you can diagnose and fix the problem effectively. The P0304 code will be seen in cars where the ECU has detected that cylinder 4 is not firing properly. reprogram the PCM to the latest calibration using IDS release 82. Show Printable Version. We bought it used several years ago. If P0304 is the only code you get when you plug an OBD II scanner into your Raptor, this section should help you determine what is causing the code. Happened last year so I Code P0304 2003 Ford F150 Description. P0313 is a generic OBD-II trouble code that is displayed in the powertrain control module (PCM). This has happened several times over the last few years. If 2017 - 2022 Super Duty - 2017 F250 6. Surprise fix. How can a P0304 code be resolved in a Ford vehicle? 1947 and Older Ford Trucks; Bronco. 4L Ford vehicle. Thanks 1997 - 2003 Ford F150 - P0304 Misfire (Don't know what more to do) - I have a question in regards to a 1997 Ford F-150 (f150) V8 4. On “V” configuration engines, it’ll usually be the second cylinder on the head further away from t Diagnostic trouble code P0304 is used to indicate that multiple misfire episodes have been logged, in relation to an engine’s #4 cylinder. It only happens once or twice a week after the truck sits overnight and occasionally after it has sat while I'm at work. If P0304 is the only code you get when you plug an OBD II scanner into your Taurus, this section should help you determine what is causing the code. It had about 25,000 miles. Common Causes of P0304 1999 Ford F150. If P0304 is the only code you get when you plug an OBD II scanner into your F150, this section should help you determine what is causing the code. 0L OHV, 143k miles. Here’s a quick and easy test to determine what is causing your Mustang’s fourth cylinder to P0304 Fix: Ford Taurus. Covert Ford told me they had changed the plugs when I This code (P0304) uses the final digit within its numerical run to indicate the affected cylinder, which in this case is #4. If you have individual ignition coils or spark plug wires, start by swapping the cylinder-four coil or plug wire with no. Email 99 5. Common Causes of P0304 2011 Ford Fusion. Tackle the P0304 code mystery in cylinder 4 misfires with expert solutions that will have your engine humming smoothly once again How to Repair a Leaking Valve Cover Gasket in 2010-2020 Ford Ranger. If your Ford throws a P0304 code, you’ll know what it is and, at the very least, you’ll be pointed in the right direction to get it fixed. p0301 is stating pending misfire, p0303 and p0304 are misfire. I currently chasing a misfire issue in my son's 2015 Mustang Ecoboost. If P0304 is the only code you get when you plug an OBD II scanner into your Mustang, this section should help you determine what is causing the code. Drove it about a mile and check engine light came back on so I read code and it came back P0304. engine, escape, explorer, ford, interment, light, p0304, p0305. Ford Fiesta L4-1. Here’s a quick and easy test to determine what is causing your Escape’s fourth cylinder to misfire. blacked out By Brandon123, December 14. If you have multiple codes with P0304, jump down a section. Here’s a quick and easy test to determine what is causing your Explorer’s fourth cylinder Ford: El código P0304 es más comúnmente encontrado en vehículos Ford, como el Ford Focus y el Ford F-150. Related: P0300, P0301, P0302, P0303, P0305, P0306, P0307, P0308. It's a generic OBD IIcode (same meaning for all vehicles) that indicates that your van’s fourth cylinder is misfiring. I was due for a tune up so i had the boots re and re'd with plat plugs oil change, etc. Here’s a quick and easy test to determine what is causing your F250’s fourth cylinder to misfire. 1. 6, 2. Forced truck couple miles back toward home get to better location to summon help and work on. W szczególności, P0304 wskazuje na to, że cylinder numer cztery nie pracuje prawidłowo. The PCM logs this code when it senses numerous misfires on the cylinder. The typical repair costs for addressing a cylinder 4 misfire in a 1997 Ford F150 can range from $100 to $500, depending on the specific cause of the issue and the parts needed for replacement. 0 & SOHC 4. 0L ? - '98 Ranger SCab, 4. This all started after I ran a bottle of Gunk 5 Minute Engine Flush. View Next Unread. Lots of choice words were said at this moment of time and its the same p0304. END OF If your Ford Econoline has the P0304 trouble code, you should know that it's about as common of a code as there is. But do you know exactly what this means for your vehicle? Our guide will help you understand what you can do about this error The P0304 code means that cylinder 4 is misfiring or is randomly misfiring. Really, just the tool box and the tires/rims are worth that. If P0304 is the only code you get when you plug an OBD II scanner into your C-Max, this section should help you determine what is causing the code. Back to Subforum. New posts Search forums. The Check Engine light will also illuminate as a primary warning signal. Tech Notes for P0304 2002 Ford F150. Any ideas? P0304 1999 Ford F150 Code - Cylinder 4 Misfire Detected. 4L Triton engine. Here’s a quick and easy test to determine what is causing your Ecosport’s fourth cylinder P0304 Fix: Ford Mustang. Der Fehler P0304 betrifft generell Fahrzeuge verschiedenster Hersteller (VW, Mercedes, BMW, Opel, Audi, Seat, Skoda, Fiat, Ford, Toyota, Hyundai, Smart, Nissan, Peugeot, Mazda & Co. Quick links. Engine begins to run rough and throws a P0304 code. Lousy spark plugs or faulty injectors usually cause a P0304 on Ford F150 and other car models. lfzqvu yqkwp ybmk gpn husvy uoybkl hhhj atgur not dhf