Ford code p0306
P0306 is certainly a cause for concern, and should be considered a threat to the drivability your Windstar. The nice thing about P0306 is that it’s a cylinder specific trouble code, which makes diagnosing the problems much more simple than P0300, which means that the cylinders are randomly misfiring. It will often be accompanied by codes ...
The cost to diagnose the P0306 1998 Ford F150 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto …
Jun 4, 2015 ... This is a video showing how I fixed a P0306 misfire code on my 2003 Crown Vic P71.Ford F350 P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the engine.Feb 24, 2018 · jaa270 said: 2007 Mustang 4.0L V6. Check Engine light came on, read the codes P0300, P0302, P0306. what i have done to this point: 1. new spark plugs. 2. new coil pack. 3. new spark plug wires. 4 cleared codes. drove it around town, no issues ran like a new car. driving it to give back to daughter in college, Check engine light came back on ... The P0306 code is a generic powertrain code that is read by the vehicle’s onboard computer system. It indicates that there is a misfire in the engine’s cylinder 6. A misfire occurs when the fuel and air mixture in a cylinder fails to ignite properly, causing the engine to run rough and potentially damaging the vehicle’s catalytic converter.Jun 19, 2021 · New Member Introductions - Engine code P0306 - I have a 2017 F250, The check engine light came on and the code on my zurich reader has come up code P0306. Cylinder #6 misfire. The engine is not running rough or seems not to be missing. I cleared it, all was well until I remote started the engine with the fod. Car Code p0306 is a check engine light with a misfire code. We go through the causes, symptoms for trouble code P0306 and …
That P0306 code indicates that the computer is seeing a misfire on cylinder 6. P0206 indicates that there is a circuit issue related to the fuel injector for cylinder 6 and that would explain the misfire. ... 2003 ford f150 4.2 liter 6 cyl. throwing codes p0306 and p0316. changed crank position sensor, spark plug wires and plugs. cleared light ...When a group of entrepreneurs in Florida decided to include the name and logo of Ford in their restaurant, it was a big risk. Luckily, it worked out for them. Ford is one of the mo...What is code P0306 on the Ford Escape? Ford code P0306 indicates that there is a misfire on cylinder 6. Ford P0306 code happens when the PCM identifies no proper ignition on cylinder 6. What is the code P0306 on a BMW? BMW code P0306 implies that cylinder 6 is misfiring. The PCM logs P0306 code BMW when it notices no correct ignition on cylinder 6.Dec 7, 2018 · Ford Ranger P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the engine. Common Ford transmission codes include U, M and T, which indicate the type of transmission installed in the vehicle. Codes are assigned to all transmission types and can be located...Dec 7, 2018 · Ford Ranger P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the engine. Ford Explorer P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand …
2009 - 2014 Ford F150 - 5.0 Misfire P0306 - Hi All I have a 2012 Screw with the 5.0L, have 56000 miles. At around 50000 my check engine light started coming on showing a code of P0306 #6 cylinder misfire... Now my previous truck was a 2006 Scab 5.4 so I know about misfires.Sep 1, 2014 ... Comments213 ; 2005 ford Escape 3.0L , Code P0354, Ignition coil not firing, Bad computer driver. KIT'S Auto and Truck Repair · 38K views ; Ford 5.4 ...Ford p0301 p0302 code p0303 p0304 misfire p0305 p0306 fix Ford f150 p0305 codes problem connector spout has ask question own F150 p0305 code ford. Ford F-150 5.4L 3v Low Power Concern: P0430 P0305 P0171 P0174 - YouTube. P0305 engine code How to fix code p0306 on f150 5.4 P0430 p0174. F150 ford intake manifold …What is the Cost to Diagnose the Code P0306 2007 Ford Fusion? Labor: 1.0. The cost to diagnose the P0306 2007 Ford Fusion code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 ...To diagnose the P0306 2010 Ford Fusion code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
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OBD codes were p0300, p0306, and intermittent p0305. I have changed plugs, wires and a ignition coil … read more. Edward. Professional at Justanswer... Associate Degree. 5,908 satisfied customers. F250: I have an F250 5.4 L 1999. I had trouble codes p1401. I have an F250 5.4 L 1999.jaa270 said: 2007 Mustang 4.0L V6. Check Engine light came on, read the codes P0300, P0302, P0306. what i have done to this point: 1. new spark plugs. 2. new coil pack. 3. new spark plug wires. 4 cleared codes. drove it around town, no issues ran like a new car. driving it to give back to daughter in college, Check engine light came back on ...FORD CODE P0301 P0302 P0303 P0304 P0305 P0306 P0307 P0308 MISFIRE FIX. Check Details. Ford F150 5.4. 2006 coil swap p0304 - YouTube. Check Details. Ford F150 P0304: Cylinder 4 | Misfire Detected | Drivetrain Resource. Check Details. 2000 Ford 4.6L Expy P0304 Code - Page 3 - Ford Truck Enthusiasts Forums.March 29, 2020 by Jason. P0206 is an OBD2 trouble code. It indicates there has been a fuel injector circuit malfunction, in this case, it’s the 6’th cylinder in the firing order that is malfunctioning. P0206 is a generic code, which means that it has the same meaning for the Ford Escape as it would for any other vehicle.The P0307 code means that cylinder #7 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder #7. If the problem persists more tests need to be done to diagnose the problem. See "Possible Causes" for the most common problems.Possible causes of code P0304. There are several potential causes for code P0304 in a Ford: Ignition system issues: Faulty spark plugs, ignition coils, or ignition wires can lead to a misfire in cylinder 4. Fuel system problems: Issues with fuel injectors, fuel pressure, or a clogged fuel filter can cause an imbalance in the air-fuel mixture ...
Apr 9, 2014 · Code P306 and P316 both indicate a misfire on cylinder number six. P300 is misfire on unknown cylinder. Car missed and started running very rough. I replace... 15. 09-28-2007 09:21 PM. 1983 - 2012 Ranger & B-Series - 2002 RANGER CODES P0353, P0302, P0306 - Hey. I'm a newbie here so please bear with me if I leave out some important info at first. My husband's '02 3.0 V6 was running good until a couple of days ago when it started idling really rough and really seemed to lose power.May 17, 2022 ... Most of your codes indicate the misfire is on the DRIVER SIDE OF THE ENGINE. (I would disregard the P307 odd code, sometimes they trip when ...April 9, 2019 by Jason. A relatively common, yet difficult to diagnose OBD-II trouble code is P0316. It has the same meaning for the Ford Taurus as it would any other vehicle. It indicates that there is a misfire at the startup of the vehicle, and that it happens within the first 1000 revolutions of the engine. P0316: Engine Misfire → At Startup.Few, if any, cars have as a loyal a fan base as the Ford Mustang. Many automotive experts liken the fans of Mustangs to a cult because of their unbridled passion for the muscle car...In a push to be more accommodating to small businesses, Ford is aiming to provide electric vehicles to the likes of plumbers and electricians. In a push to be more accommodating to...The numbers: Great. Automaker Ford reported earnings per share of $0.45 on revenue of $38.1 billion, handily beating analyst expectations. The company also raised its outlook for t...Jun 4, 2015 ... This is a video showing how I fixed a P0306 misfire code on my 2003 Crown Vic P71.Ford p0301 p0302 code p0303 p0304 misfire p0305 p0306 fix Ford f150 p0305 codes problem connector spout has ask question own F150 p0305 code ford. Ford F-150 5.4L 3v Low Power Concern: P0430 P0305 P0171 P0174 - YouTube. P0305 engine code How to fix code p0306 on f150 5.4 P0430 p0174. F150 ford intake manifold …
2004 - 2008 F150 - P0305 & P0306 HELP! - I'm at my wits end. Whenever under heavy acceleration or towing I get spitting and sputtering. Sometimes it comes up P305 other times P306. I've changed the plugs, fuel filter, MAF, two fuel injectors, all 4 O2 sensors, intake manifold gasget and the AWE solenoid (it leaked...
The P0306 code is caused by a misfire on the number six cylinder. The Misfire monitor diagnostic is based on variation in crankshaft velocity. The PCM determines this information using the crankshaft position sensor and camshaft position sensor. A misfiring cylinder slows down momentarily, so by monitoring the cam and crank sensor …How to fix a Ford P0303 engine Code: Cylinder 3 Misfire DetectedSpark Inline Tester Tool https://amzn.to/465UWj7Possible Causes of a Ford P0303 Code: Spark P...P0356 is a generic OBD II diagnostic code that indicates an issue with the ignition coil “F” (the sixth cylinder). Specifically with the primary or secondary wiring circuits. If your Ford F150 has thrown this code, it will usually be accompanied by P0306. Addressing P0356 should take care of P0306 on its own. P0356 is a relatively …Ford's with 3V 5.4l are notorious for having mis-fire codes. There spark plugs & coils are always giving owners problems. Here I'm replacing my fathers coil ...P0206 is a diagnostic trouble code (DTC) for "Injector Circuit Malfunction - Cylinder 6". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 .The Ford Motor Company is one of the most iconic and recognizable car companies in the world. It has been around since 1903 and has been producing some of the most iconic vehicles ...If you own a Ford vehicle and have encountered a check engine light or any other warning lights on your dashboard, understanding the meaning behind Ford diagnostic codes is crucial...To diagnose the P0300 Ford code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Make your way to NYE Ford in Oneida today for quality Ford cars, trucks, SUVs, and crossovers. Our dedicated and friendly Ford staff will provide professional service at …
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Nov 26, 2019 · I keep a code reader in my car and read the codes. P0206 and P0306. Something is wrong with the 6th cylinder. Likely something wrong with fuel injector vs coil and spark plug. I clear the codes. Start the car. Still running poorly. After about 30 seconds the flashing CEL is on again. The 2023 Ford Escape is the latest model of the popular Ford Escape SUV. It was released in late 2022 and features a range of new features and upgrades. Here’s what you need to kno...2004 - 2008 F150 - P0305 & P0306 HELP! - I'm at my wits end. Whenever under heavy acceleration or towing I get spitting and sputtering. Sometimes it comes up P305 other times P306. I've changed the plugs, fuel filter, MAF, two fuel injectors, all 4 O2 sensors, intake manifold gasget and the AWE solenoid (it leaked...How to repair P0306 2001 Ford F150 code Cylinder 6 Misfire Detected. 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. ...Ford Ranger P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the engine.The P0403 is usually associated with issues with the control circuit, the EGR valve, and the solenoid. An issue with these components will lead to the DTC P0403 code being returned. The P0405 DTC relates to the EGR sensor, particularly the voltage. When the PCM detects a low voltage from the sensor, it returns the P0405 DTC.Code P0306 2006 Ford Fusion Description. 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. When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position ( CKP) sensor signal to …Code P0306 2003 Ford F150 Description. 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. When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position ( CKP) sensor signal to vary, the ...Mar 6, 2017 ... TRQ•85K views · 3:37. Go to channel · Causes and Fixes Ford P0302 Code: Cylinder 2 Misfire Detected. HVAC Mechanic •27K views · 3:22. Go to&nbs...Clear the code and then swap the COP's on the number 7 and number 6 cylinder to see if you get a P0306 code: cylinder 6 misfire. If you do, then you know you have a bad coil. Just buy a replacement COP and put the new one on. Don't spend hundreds of dollars at a dealership for something you can do in about 7 minutes.P0356 is a generic OBD II diagnostic code that indicates an issue with the ignition coil “F” (the sixth cylinder). Specifically with the primary or secondary wiring circuits. If your Ford F250 has thrown this code, it will usually be accompanied by P0306. Addressing P0356 should take care of P0306 on its own. P0356 is a relatively …P0306 is an OBD-II generic code that the engine control module (ECM) detected a misfire on cylinder number 6 of the engine. What causes the P0306 code? The spark plug is not firing for cylinder number 6 due to fouling or cracks in the insulation. ….
If it varies beyond 2 percent, the Monitor will set a P0306 code and illuminate the Check Engine Light. If there is more than a 10 percent variance, the Check Engine Light will blink or pulse in a steady manner to indicate that a harmful Catalytic Converter misfire is occurring. When diagnosing a P0306 code, it is important to record the freeze ...1997-2006 Expedition & Navigator - P0306 Fault Code - Which cylinder? - My engine has been running rough, and the Service Engine Soon light came on. ... 2002 and 2003 ...The P0301 code indicates a misfire in cylinder 1. Some common causes for this code include a faulty spark plug, ignition coil, fuel injector, or oxygen sensor. It is recommended to diagnose the specific issue with appropriate testing equipment to determine the exact cause and resolve the problem.P0306 is a generic diagnostic trouble code (DTC) defined as “Cylinder 6 Misfire Detected.” Your car’s Engine Control Module (ECM) or Powertrain Control Module (PCM) registers …The Charge Code Manual has been updated to include laws on the DCJS coded file as of the date noted above. Only currently active laws are included; repealed …Apr 9, 2014 · Code P306 and P316 both indicate a misfire on cylinder number six. P300 is misfire on unknown cylinder. Car missed and started running very rough. I replace... P0306 Code: Meaning, Causes, and Symptoms | OBD2 Codes. P0306 – Cylinder 6 Misfire Detected . P0306: DIY Repairing Video TutorialDec 7, 2018 · Ford Ranger P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the engine. P0301 Cylinder #1 Misfire. P0302 Cylinder #2 Misfire. P0303 Cylinder #3 Misfire. P0304 Cylinder #4 Misfire. P0305 Cylinder #5 Misfire. P0306 Cylinder #6 Misfire. P0307 Cylinder #7 Misfire. P0308 Cylinder #8 Misfire. Misfire is present, but no misfire codes are registered in the computer's memory and/or no check engine light (CEL) on. Ford code p0306, 3. 11-29-2004 12:28 AM. 2004 - 2008 F150 - Diagnosing the misfire codes P0306, P0302 - My truck decided to have some issues last weekend coming home from a friends house on Thanksgiving. After being on the road for about an hour the truck shuddered, lost speed and was incredibly sluggish trying to get up the hill., 2004 - 2008 Ford F150 - P0306 - Guys! This code is haunting me. I can't seem to get rid of it. P0306- misfire on cylinder 6 So far I have replaced the plug and coil twice. Changed the injector. I replaced the Throttle position sensor, cleaned the mass air flow sensor, replaced the fuel filter, and replaced the VCT..., Code P0306 1999 Ford F150 Description 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. When a misfire occurs, engine speed will fluctuate., Misfire codes P0308, P0307, P0306. Last month I got a P0308 code. Replaced the COP (not the spark plug) and it fixed the problem. I had read the service bulletin and it scared me into not changing the plug, especially since the COP cleared up the issue. A few days ago I got a P0307 code and I could definitely feel the 'miss' (intermitantly)., Ford p0301 p0302 code p0303 p0304 misfire p0305 p0306 fix Ford f150 p0305 codes problem connector spout has ask question own F150 p0305 code ford. Ford F-150 5.4L 3v Low Power Concern: P0430 P0305 P0171 P0174 - YouTube. P0305 engine code How to fix code p0306 on f150 5.4 P0430 p0174. F150 ford intake manifold …, Ford Flex P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the engine., March 29, 2020 by Jason. P0206 is an OBD2 trouble code. It indicates there has been a fuel injector circuit malfunction, in this case, it’s the 6’th cylinder in the firing order that is malfunctioning. P0206 is a generic code, which means that it has the same meaning for the Ford Escape as it would for any other vehicle., Apr 27, 2018 ... Ford has an issue with plugs, coils, and PCM's on the mid to ... Ford's Fusion/Escape 3.0L Misfire Diag & Repair! What Killed The PCM? P0300-P0306., Oct 27, 2022 ... Ford Fusion Misfire Lacks Power | P0304, P0305, P0306 ... P0306 Ford Escape 3.0L v6 misfire. Jonathan ... Causes and Fixes Ford P0302 Code: Cylinder ..., Car Code p0306 is a check engine light with a misfire code. We go through the causes, symptoms for trouble code P0306 and …, Ford Fusion P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the engine., Also P0106 code disappeared by fixing P0306 only. ... Serious Explorations is a Ford Explorer and Ranger Based vehicle community. Founded in 1996, our goal is to support our members with the information they need to keep their Explorers, running their best. The forum is free to use with ads, or you can become an Elite Explorer member …, Possible solutions may include replacing faulty spark plugs, ignition coils, or fuel injectors, repairing vacuum leaks, cleaning carbon buildup from intake valves, …, The P0301 code indicates a misfire in cylinder 1. Some common causes for this code include a faulty spark plug, ignition coil, fuel injector, or oxygen sensor. It is recommended to diagnose the specific issue with appropriate testing equipment to determine the exact cause and resolve the problem., What is the Cost to Diagnose the Code P0306 2011 Ford Fusion? Labor: 1.0. The cost to diagnose the P0306 2011 Ford Fusion code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 ..., The code P0306 indacates an engine miss on the #6 cylinder (2nd cylinder on the driver side) ... 1998 Ford Mustang, 5 speed, 3.6 P0306, 165K miles Codes: P0306- misfire cylinder # XXXXX; P1131- Manu control fuel air …, Code P0306 is a generic OBD2 code. It means the engine control module has detected misfires in engine cylinder 6. Burning fuel in an efficient manner is vital to engine …, I put the code reader on it and it came up with p0302, p0351.p0306. I replaced the coil pack, plugs and wires less than a month ago. All ..., In a push to be more accommodating to small businesses, Ford is aiming to provide electric vehicles to the likes of plumbers and electricians. In a push to be more accommodating to..., The only diagnostic codes it gives are P0300, P0303, P0304, P0316 Parts replaced so far: Spark Plugs of cylinder 3 and cylinder 4; Ignition Coil Pack; Diagnostic attempts: Check diagnostic codes and read about each; Visual inspection of hoses, air box etc no signs of splits, cracks, holes etc; Visual inspection of spark plug wires / boots, Sep 21, 2004 · 1997-2006 Expedition & Navigator - P0306 Fault Code - Which cylinder? - My engine has been running rough, and the Service Engine Soon light came on. ... 2002 and 2003 ... , The P0301 code means that cylinder #1 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder #1. If the problem persists more tests need to be done to diagnose the problem. See "Possible Causes" for the most common problems. There is a Factory ..., Hello I have an 06 ranger 3.0 v6 and I have the following DTC P0171, P0300, P0305, P0304, P0305. I replaced MAF sensor and clean IAC valve. Replaced the fuel filter., P0306 is certainly a cause for concern, and should be considered a threat to the drivability your Windstar. The nice thing about P0306 is that it’s a cylinder specific trouble code, which makes diagnosing the problems much more simple than P0300, which means that the cylinders are randomly misfiring. It will often be accompanied by codes ..., 2004 - 2008 Ford F150 - Extremely rough idle. Code P0303, P0306, P0171 - 2008 F-150 XL 2WD 4.2L with 43K miles. Truck idles and drives rough with following codes. Misfire cylinder 3 (P0303), misfire cylinder 6 (Po306), and lean code P0171. I had a misfire code last year and I replaced sparks and wires., Few, if any, cars have as a loyal a fan base as the Ford Mustang. Many automotive experts liken the fans of Mustangs to a cult because of their unbridled passion for the muscle car..., If it varies beyond 2 percent, the Monitor will set a P0306 code and illuminate the Check Engine Light. If there is more than a 10 percent variance, the Check Engine Light will blink or pulse in a steady manner to indicate that a harmful Catalytic Converter misfire is occurring. When diagnosing a P0306 code, it is important to record the freeze ..., 1. Use an OBD-II scanner to retrieve the trouble code. This will help identify the specific issue. 2. Code P0131 indicates a malfunction in the oxygen sensor bank 1 sensor 1. Inspect the wiring harness and connector for any damage or loose connections. 3. Check the oxygen sensor itself for any signs of damage or contamination., Ford Escape P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the engine., To diagnose the P0301 Ford code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., Summary. The P0354 code stands for “Ignition Coil ‘D’ Circuit Malfunction,” which means the powertrain control module (PCM) has detected an issue with the primary or secondary circuit for ignition coil “D.”. Some of the possible causes of the P0354 code are a bad ignition coil, an issue with the ignition coil circuit, and a faulty PCM., The P0306 code means that cylinder #6 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder #6. If the problem persists more tests need to be done to diagnose the problem., What is code P0306 on the Ford Escape? Ford code P0306 indicates that there is a misfire on cylinder 6. Ford P0306 code happens when the PCM identifies no proper ignition on cylinder 6. What is the code P0306 on a BMW? BMW code P0306 implies that cylinder 6 is misfiring. The PCM logs P0306 code BMW when it notices no correct ignition on cylinder 6.