To make it simple, a misfire is the absence of a full combustion event on a given cylinder as expected. Register Today It's free! Forums. Before you can even diagnose P0304 in your vehicle, you need to find the fourth cylinder’s location. Disconnect the car battery, remove the valve, clean, re-install valve, and drive the vehicle for about 5 minutes with the headlights and A/C ON to get the idle relearned. 0 liter. P0304 is a drivability concern and should be dealt with right awa y. Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 and/or P0308 Set Attention: This Bulletin only applies to vehicles equipped with V8 engines. The cost to diagnose the P0131 Ford code is 1. Low fuel pressure. 2009-2011 Ford E-150. Burned exhaust valve. Issue Severity: SEVERE – Stop driving immediately. Escort Generations/Motors. Have changed all plugs, coil pack, plug wires, all 4 injectors, fuel filter, cam and crank sensors. P0306- misfire on cylinder 6. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low engine. P0300 is not one of the top 5 trouble codes for the Ford F-150 but, it is still a common one. The other code p0304 is saying cylinder 4 misfire itll go from 4 to 3 back to 4 It says probable cause is. Show Less. Trouble code P0354 means there's a problem in ignition coil D circuit, probably an electrical problem, and the engine will run rough or stall. I have a 2007 Ford expedition that has trouble codes P0304, P0316, & P1000. It stumbles a - Answered by a verified Ford Mechanic. p0304. What Does the P0316 Ford Code Mean? The Crankshaft Position ( CKP ) sensor signal is monitored by the Engine Control Module ( ECM ) for errors. Plugs and wires replaced, fuel system flushed, fuel injector for #4 cylinder replaced. Fuel injectors. Symptoms of code P0304. If the problem persists more tests need to be done to diagnose the problem. No CEL, but Pending code P0304 (Cylinder 4 misfilre). The car computer, also known as. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low engine. Its a 2012 - Answered by a verified Ford Mechanic. 0 I am getting a P0316 and P0304 codes what Check Details Ford ranger manual engine 1993 0l pdf repair 2004 3l v6 source 1997. Replaced coil pack still threw the same codes. This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. Low fuel pressure. 4 getting p0171, po174, p0304, p0302, p0306. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low. P0304 FORD - Cylinder 4 Misfire DetectedCode P1506 Ford Tech Notes. I had code P0304 come up causing misfire and sputtering and vibration of the car. My '02 Ford Escort is throwing a P0304. Before you can even diagnose P0304 in your car, you need to find the fourth cylinder’s location. 99 . I have a code reader and it indicates P0304 which is 4 cylinder misfire. #4 is the rear cyl. P0304, P0316 codes keep coming up - Answered by a verified Ford Mechanic. . New wire, New Plugs, New Coil Pack, Runs great when light out. 4 cylinder. I checked the codes and it showed p0171 p0304 and p1131. 2000 ford ranger truck 2. If your Ford Expedition has. Wire labeled with the number 3 feeds the switching signal for cylinders 2 and 8. Returned wires to normal and erased codes. 98' 4. The Diagnostic Trouble Code (DTC) will set when the PCM detects a fuel tank pressure change greater than minus (-) 7 inches of water in 30 seconds occurred with a purge, fuel vapor, flow at less than 0. Most of the time this is the result of a bad ignition coil or spark plug. P0301 Cylinder #1 Misfire. For what it's worth: P0301 is cylinder 1 misfire. 0L DOHC engine, 120k miles. To diagnose the P0300 Ford code, it typically requires 1. Thus far I've changed the spark plugs even though the old ones were still in pretty good condition,. Archived Code Questions - Car Questions from November 2005 Page 1. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low. P0304 Cylinder 4 Misfire Detected Ford Fiesta 16v P0304 Cylinder 4 Misfire Detected Ford Fiesta 16v. Wire labeled with the number 2 feeds 12 Volts to the coil pack. Symptoms may include, the engine being harder to start, the engine may stumble, and/or hesitate, and other symptoms may also be present. In the case of a P0304, there’s a compromised combustion process on the no. CrownVic. What is the Cost to Diagnose the Code P0302 Ford? Labor: 1. P0420 is one of the more common trouble codes that we see. A compression check is a quick and easy way to figure out what could be wrong. 1 Answer. Repair Urgency: Fix this code immediately (same-day if possible) to avoid serious engine damage and dangerous driving conditions. 9L and 2. This article covers the two incarnations of the Ford coil pack for four cylinder engines. 2004 super: crew. 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?. If you replace the coil it should resolve both codes. 4 misfire detected. Engine timing off. When a misfire occurs, engine speed will fluctuate. com If you get an OBD-II scanner error code P0304 problem, it means one of the cylinders is not firing correctly. Up until a week ago, it ran perfectly. Is there some problem that may be causing this? OBD II code reads P0304 number four spark plug miss firing. For instance, what can fix a P0354 code in a Ford may not be as effective against a P0354 code in a Jeep. I have gone over the ignition system and replaced the plugs wies and coil pack. 0 hour of labor. Once the engine control module (ECM) detects one or more cylinder misfiring, the DTC that monitors that respective cylinder will activate and one or two of the. 1996 Ford Contour Ignition Module TSB Details. Master Auto Tech. . If the problem persists more tests need to be done to diagnose the problem. Ford Escape P0304 definition: Cylinder 4 Misfire Detected. 5L V6 had a check engine light with a code of P0306: Cylinder Misfire Detected in Cylinder 6. Posted by bigdevil1966 on Feb 23, 2012. Repair Urgency: Fix this code immediately (same-day if possible) to avoid serious engine damage and dangerous driving conditions. In this case it's cylinder #1. 0 has a code of p0302 cylinder 2 misfire or p0304 cylinder 4 misfire what do they mean. Discussion Starter. Before you can even diagnose P0304 in your truck, you need to find the fourth cylinder’s location. On a 5. When this code appears, a misfire has been detected on startup during the first 1,000 revolutions. Some Ford vehicles even needed a new cylinder head as a result of the valve. ford f 150: 4x4. Yes -proceed to Step 2. P0300 in the Ford Expedition indicates random multiple misfiring, which means that multiple cylinders are misfiring at the same time. Skip to content. The original DPFE hoses are a special high-temperature hose. Most of the time this is the result of a bad ignition coil or spark plug. I have a 2001 Ford Escort with 70,000 miles. Date Submitted. not the 4th in firing order!since you didn't state which engine you have,if it's the 2. 1996 Ford Contour Ignition Module TSB Details. 135 - Answered by a verified Ford Mechanic. Misfire is defined as a lack of combustion in a cylinder due to the absence of a spark, incorrect fuel metering, low compression, or any other cause. not using oil. A vehicle engine usually contains 4, 6, or 8 cylinders. 1996 Ford Bronco Ignition Module TSB Details. P0401. Oct 29, 2021. 4. g. The camshaft position sensor works with the notches, or teeth, on your camshaft to regulate ignition timing and fuel delivery. pulled a spark plug looks excellent. Having a problem that is showing up as code P0304 – a misfire on cylinder #4. replaced fuel. The 2017 Ford Escape has 507 NHTSA complaints for the engine at 29,367 miles average. I changed spark plugs gapped at (0. Generation Specific Forums. P0304 Nissan: Cylinder #4 Misfire Detected. 0L,THEN IT'S THE MIDDLE ONE IN FRONT OF THE ENGINE! Sign in to reply. I pull over stop engine ,waitue for the next few miles until it flash. P0304. john -aka eauto, The Car Guy. Swap spark plugs with another cylinder and see if you can trade wires with that cylinder too (switching at the coil as well) and unplug the battery for a little bit to clear the code. If the engine speed fluctuates enough to cause the Crankshaft Position ( CKP) sensor signal to vary, the Engine. 56 Answers. P0302 code came up weeks previously without the p1518. About a month ago the problem came back. It all makes perfect sense to me. The following are several of the most common of these issues. #1. PO174---is a lean O2 Sensor Code on bank 2, from the misfire. Sorry check for vacume leaks sounds like the intake is leaking get some brake cleak in a spray can spray it where the intake and valve covers meat while running and see if the engine changes if so u need. Yes. I lost. I pull over,stop the engine,wait10 minutes, then continue for the next few miles, until it flashes again. It seems to go away once the van is warmed up. In total there were six generations, spread across three basic platforms: the. I have a 2003 V6 4. P0304 = misfire cylinder #4. What the P0304 code means The P0304 code will be seen in cars where the ECU has detected that cylinder 4 is not firing properly. Likes: 7. It is common for most auto repair shops to charge between $75 and $150 per hour. If the problem persists more tests need to be done to diagnose the problem. OBD-II Trouble Code Chart / P0304 - OBD-II Trouble Code; Get back on the road. 0 - Answered by a verified Ford Mechanic. Quick links. Media. 3. P0304 Honda: Cylinder 4 Misfire Detected. Diagnosis: A cylinder 4 misfire can be caused by anything from faulty spark plugs to low engine compression. P0301 tells you that cyl. This is commonly located along the. Each of these could also cause trouble code P0403 or related trouble codes in the P0400 range, such as P0401. Before you can even diagnose P0304 in your van, you need to find the fourth cylinder’s location. i put another engine in this car cause this guy changed oil and forgot oil plug and fried moter. Faulty coil (pack) Faulty oxygen sensor (s) Faulty fuel injector. 0. Hi all, My Ford Fiesta 2007 16v recently had the engine management light come on. Stop by Glenoak. come with p1309,p0303,p0304 ive changed plugs and wires took apart fuel rail turn key and seen all fuel injectors working. Ford dealer wants to replace with rebuilt engine. net is a forum and information center dedicated to the Ford Crown Victoria and its siblings: Mercury Grand Marquis, Mercury Marauder, and Lincoln Town Car. Engine runs great most of the time. 97 ford escort 2. by nyford » Wed Oct 08, 2008 5:03 pm. 0 hour of labor. The next step is to visually inspect the wires for any damage. Honda Accord P0304 definition: Cylinder 4 Misfire Detected. If it’s bad enough to cause your. I replaced the camshaft position sensor and checked all the wiring. Essentially, the PCM. Although generic, the specific repair steps may vary depending on make/model. 6 4x4 replace the fuel pump, the problem is the open switch fuel pump not stop. just had a transmission replaced on my 2004 F150 heritage with a 4. Repair Urgency: Fix this code immediately (same-day if possible) to avoid serious engine damage and dangerous driving conditions. So, I changed oil,coolant, and radiator. P0303 Cylinder #3 Misfire. p0303 and p0304 are misfire. 2001 ford f 150: # 7 cylinder. #1 is not firing everytime it is asked to, P0316 means that during the first 1000 revolutions when you start your truck, there was a misfire. 6L, 5. The cost to diagnose the P0302 Ford code is 1. On “V” configuration engines, it’ll usually be the second cylinder on the head further away from the front of the engine. Anonymous Feb 24, 2012. If you replace the coil it should resolve both codes. Your vehicle moves when gasoline is burned and power is generated inside a chamber known as the cylinder. 0l stalled & won't start just runs rough for 5-6 seconds then dies. It is common for most auto repair shops to charge between $75 and $150 per hour. GET A QUOTE. Although generic, the specific repair steps may vary depending on make/model. Code P0304 2001 Ford Explorer Description. Engine misfire occurs when the engine combustion process is compromised in a given, multiple, or random cylinder. P0304 indicates that cylinder 4 is experiencing misfires. P0302 = misfire cylinder #2. Repair Urgency: Fix this code immediately (same-day if possible) to avoid serious engine damage and dangerous driving conditions. The coil-on-plug. come with p1309,p0303,p0304 ive changed plugs and wires took apart fuel rail - Answered by a verified Ford Mechanic. RECORD_ID:. Everything I changed out made the truck run better and better. That’s quite a range, including all of the possibilities for a Ford vehicle to throw a P0304 code, and you could pay out anywhere between $16 and $3,000. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low engine. FORD ENGINE LIGHT ON CODE P0340, CODE P0344 FIX. Issue Severity: SEVERE – Stop driving immediately.