2002 Ford F-150 4.2L V6 2WD ~140,000 miles. Thanks from the . Reply Like #2 08-13-2010, 07:58 AM BrianA. Postmaster. Join Date: Aug 2001. Location: Trussville, Alabama. Posts: 4,532 Likes: 0 Received 2 Likes on 2 Posts Hi and welcome to FTE! Hope you find some help. ...Apr 19, 2022 · Diagnostic trouble code (DTC) P0308 stands for “Cylinder 8 Misfire Detected.”. This means the powertrain control module (PCM) detects that there was incomplete combustion or the absence of combustion in the cylinder numbered “8” in the arrangement of cylinders on the engine. Common causes of the P0308 code include a bad spark plug, a ...The Ford F-150 P0021 is a reliable and powerful truck that is sure to suit the needs of many drivers. With its impressive power, ample storage, and spaciousness, the F-150 P0021 is a great choice for those looking for a capable and dependable truck. Its advanced safety features also make it a great choice for families.My son has a 05 ford f150 4.6, he was on the interstate headed to work and the check engine light came on. It is running rough at idle, like it has dropped a cylinder. We scanned the codes and got p0303, p0308 and p0300. So misfire on #3,#8 and random. I changed the cam sensor, fuel filter and cleaned the throttle body and it didnt help.2004 - 2008 Ford F150 - 2004 5.4 miss at idle - Hi all! I'm new and could use some help. 2004 F150 5.4 with 169,000 on it throws a p0308 code. Idles ruff but smooths out at about 1000 to 1100 rpms. So far I have changed the COPs, new plugs, new fuel injector on #8, ran injector cleaner through it and today I cleaned...Q&A: Ford F-150 P0308 Code - Causes, Symptoms, and Solutions. Check Details. P0451 Ford f150 Trouble Code - Dump Truck. Check Details. 01 f150 5.4l p0308 - F150online Forums. Check Details. P0308 Explained - Cylinder 8 Misfire (Simple Fix) - YouTube.Ford F150 Forum - Community of Ford Truck Fans; Late Model F150s; 2009 - 2014 Ford F150; 2011+ Engine Related Questions; ... 2011, F-150, 5Lt and 100,000km PO300 and Pingings - Follow up. Just to keep you guys posted, I've taken my truck to the garage (good decent guy). He basically went through the same check that I did (which is the basic ...Modular V8 (4.6L, 5.4L) - Code PO308 - Need a little help. My nephew has a 1998 F150 with a 4.6L Triton. He had the code PO308 - misfire on #8 cylinder. He has changed all the spark plugs but still has a bad miss. I tried swaping the #8 spark plug wire with another wire and it still came up the same code. We kinda...Ford F-150 / F-Series Generations. 2004 - 2008 Ford F-150. Looking for recent topics? 2004 f150 5.4 with lots of codes, where do I start or check? P0174 P0308 P2195 P2197 P0316. ... P0308-powertrain: cylinder 8 misfire detected P2195-powertrain:o2 sensor signal stuck lean bank1 sensor1P0308 DTC means that there’s an engine misfire in cylinder 8. The Powertrain Control Module (PCM) detects that a misfiring is occurring in the 8th cylinder in the car motor, thereby alerting the engine to set this trouble code.The Ford F-150 P0308 is a reliable and powerful pickup truck that meets the needs of most drivers. It has a powerful engine with plenty of power, an efficient transmission, and a great interior. The F-150 P0308 is an excellent choice for those looking for a reliable and versatile vehicle that can handle a variety of tasks. Its great performance ...2013 f150 5.0 has codes P0300, P0306 also said failure type 00 and status AF P0307 said the same thing. Replaced the spark plugs and coils erased codes with scanner. Run the truck still comes back with the same codes. This time those code read failure 00 and status 64 The original codes also had a system too lean bank 1 status E8 and Bank 2 ...How to repair P0308 2003 Ford F150 code Cylinder 8 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. ...A Ford F150’s fuel tank capacity varies between 23 and 36 gallons depending on whether or not the purchased vehicle is standard or extended range. The Ford F150’s cab style also af...11 Aug 2017 ... Ford Explorer 4.6 PO308 common Misfire code. Easy Fix *F-A-S-T!* Check out My Amazon Auto Accessories Store! Lets make that Weekend job less ...Apr 9, 2023 · What is the Cost to Diagnose the Code P0308 2003 Ford F150? Labor: 1.0. To diagnose the P0308 2003 Ford F150 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.Ford Truck Enthusiasts Site Navigation. Site Announcements; New Member Introductions; Ride Of The Week; User Gallery & Picture Display; Newer Light Duty Trucks. 2022+ F-150 Lightning; 2021+ F150; 2015 - 2020 F150; 2009 - 2014 F150; 2004 - 2008 F150; 1997 - 2003 F150; Lightning, Harley-Davidson F-150, Roush F-150 & Saleen F-150; 2015 ...19 Jun 2020 ... ... P0308 -- #8 Cylinder). To make sure it is ... How to Ignition Coil Pack Ford 4.6L Replacement | F-150 E-150 Expedition Lincoln Navigator | P0303.Ford f250 p0443: circuito de la válvula de control de purga del sistema2005 ford f150 codes p0171, p0022, p2198, p0308, p0307, p0306, p0305 2013 ford f150 fx4 5.0l codes p0300, p0305, p0307, p0308, p0316, p0345Código p0308 (todas las marcas).If your Ford F150 has thrown P0358, it may be accompanied by P0308 (this code indicates that the eighth cylinder is misfiring). Addressing P0358 should take care of P0308. P0358 is a relatively straightforward diagnosis and can be caused by a bad coil pack or wiring harness issue, although other less likely factors do exist in some cases.2012 f150 code p0308, replace cylinder 8plug and coil. Connector lock broke and wire tied off but code comes back - Answered by a verified Ford Mechanic ... I've gotten a P0308 code on my 99 ford f-150 4.6 I've replaced the injectors, PCV, fuel filter and EGR but still hesitates badly at cruise when trying to accel. Do coil packs fail that often?My dad bought this ‘13 Ford F-150 that had a really bad miss in cylinder 8. I diagnosed low compression due to a worn intake valve. This was the fix.Po174 and po308, replaced coil on cylinder 8 already as well as the plug. 03 f150 5.4 liter. Coil, plug. Noticed a - Answered by a verified Ford Mechanic ... Four months ago, Ford F-150 2009 5.4L v8 truck had engine codes: PO133 and PO153; as well as a PO308. Oxygen Sensor Bank 1Upstream and Bank 2 Upstream were replaced.Possible Causes. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Faulty Intake Air Temperature (IAT) Sensor. Intake Air Temperature Sensor harness is open or shorted. Intake Air Temperature Sensor circuit poor electrical connection.19 Jun 2020 ... ... P0308 -- #8 Cylinder). To make sure it is ... How to Ignition Coil Pack Ford 4.6L Replacement | F-150 E-150 Expedition Lincoln Navigator | P0303.17 Apr 2020 ... FORD CODE P0301 P0302 P0303 P0304 P0305 P0306 P0307 P0308 MISFIRE FIX If you have Ford car and your engine light is on and you get any of ...In this video we go over a common code that may pop up around this time of year.If I have help you save money on your Ford Repairs consider supporting the fu...The P0308 code means that cylinder #8 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 #8. If the problem persists more tests need to be done to diagnose the problem. See "Possible Causes" for the most common problems.99 ford f150 throwing p0306 & p0308 Hi guys this is one for those of you who like puzzles. I have a 99 f150 v8 4.6 -w that I purchased a year ago almost to the day. I started throwing the po306 along with the obvious signs of misfiring a few months ago. So I changed all the plugs and wires, about a month later came the po306 and p0...2009 - 2014 Ford F150 - Cylinder Misfire! 2011 5.0 F-150 - My 2011 5.0 has been misfiring. Codes, P0307, P0308, Cylinder (7 & 8). I replaced the spark plugs twice, replaced the ignition coils and the cables are fine. The cylinder does not have low compression either so I think it may be the fuel injectors but I'm not...FORD F-150 TIEMBLA EL MOTOR SE JALONEA , P0308 P0203 en este video muestro que checar en una Ford F-150 o Ford Lobo cuando esta fallando El motor tiembla se ...Received 27 Likes on 21 Posts. For the 2018 F150 with 5.0L, refer to TSB 18-2058 if your truck was built before January 3rd, 2018. It is to reprogram the PCM due to P0300-P0308 codes setting. Reply Like.I have an 2002 F350 with a 7.3L in it. I've been trying to get it smogged but a code P0308 , #8 injector miss fire detected keeps coming up. No check engine light .I just replaced #8 injector with new valve cover gasket, harness. The code came right back . My little scan tool says most frequent fix is to replace #4 injector .Por tal razón, es muy importante un exhaustivo diagnóstico. El código P0308 es común en: BMW, Cadillac, Chevrolet Chevy, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, Dodge Charger, Dodge Durango, Dodge Ram 1500, Ford Expedition, Ford F-150, Ford Mustang, GMC Sierra, Jeep Grand Cherokee, Lexus y otras marcas.Ford F150 Lariat: I replaced plugs.6 ignitions coils and oxygen I replaced plugs.6 ignitions coils and oxygen sensor and getting codes PO300,PO303,PO304,PO308,PO353,PO358 and PO174. It will start …2011 F150 5.0 Misfire Issues. Ran into some challenging issues last night with my truck. It's a 2011 F150 5.0 with 139,000 miles. Spark plugs were changed about 10,000 miles ago. Was running fine all day yesterday, then I stopped and filled up the tank with E85. The previous tank was about 20% E85 and 80% 87.Diagnostic trouble code (DTC) P0308 stands for “Cylinder 8 Misfire Detected.”. This means the powertrain control module (PCM) detects that there was incomplete combustion or the absence of combustion in the cylinder numbered “8” in the arrangement of cylinders on the engine. Common causes of the P0308 code include a bad spark plug, a ...Apr 6, 2018 · Likes: 3. Received 1 Like on 1 Post. 2013 F150 5.0 Cylinder Head DIY Help!!! Hey Guys, I have a 2013 ford f150 with 5.0 (108k miles) with p0308 code (cylinder misfire 3 and 4). It idles rough. I have replaced the spark plugs and swapped the coils, and the issue did not follow the coils. I did the compression test, and cylinder 3 is 90 psi, and ...10-31-2002 01:17 PM. 2009 - 2014 F150 - 2011 F150 5.0 Extended crank - I have an extended crank every morning. It also does it after the trucks sits for a few hours. Does it cold and warm weather. I have tried priming the fuel pump and no change. It doesn't matter if i have full tank or half a tank of fuel.Faulty Ignition Coil 8. Ignition Coil 8 harness is open or shorted. Ignition Coil 8 circuit poor electrical connection. Faulty Engine Control Module (ECM) ⚠ Does …2009 - 2014 F150 - 2013 Ford F150 5.0: Oil Leak and P0308 Code - Hello everyone, I'm currently facing some issues with my 2013 Ford F150 5.0 XLT and would greatly appreciate any help I can get. Recently, while changing the oil, I noticed oil splattered around a component near what I believe to be the alternator (see...P0308 is a fairly common trouble code with the Ford F250. It's and OBD2 code and means that a misfire has been detected in the 8th cylinder in the firing order. You should only be seeing this code if you have an engine with at least 8 cylinders. So, it's mostly a code for V8+ engines. P0308 is typically caused by bad spark plugs, plug wires ...Here are the most common issues that cause the P0130 code in the Ford F150. They are presented in order (somewhat) of most to least likely to cause the problem. The O2 Sensor is Typically the Cause of P0130. Bad Oxygen Sensor - The oxygen sensor itself is one of the most likely reasons that P0130 is triggering your service engine soon light.Technical Service Bulletins for the 2019 FORD F-150. Manufacturer technical service bulletins received by the National Highway Traffic Safety Administration to date. Call the Vehicle Safety Hotline toll free at (888) 327-4236 to report safety defects or to obtain information on cars, trucks, child restraints, highway or traffic safety. Search ...General F150 Discussion - 2013 - 5.0 - P0300 Random Misfires - [131,000 miles] I did consider gas & fuel pump. I'm pretty sure it started before the last fill up. Very subtle at first; reminded me of my old minivan with torque converter going in and out of lockup at cruise. Most normal people probably wouldn't have...2009 - 2014 Ford F150 - 2014 5.0L P0300 Random/Multiple Cylinder Misfire and Catalytic Converter Codes - I just purchased a 2014 XLT that is throwing 7 CELs. ... P0308 - cylinder 8 misfire; P0420 - catalyst system efficiency below threshold bank1; P2098 - post catalyst fuel trim system too lean bank2; P2272 - o2 sensor signal stuck lean bank2 ...Re: 2012 F150 5.0L code p0308 DOHC. by EddyBear » Sun Feb 19, 2017 6:08 am. johnk123 wrote: has an intermitent miss on#8 cylinder. replaced coil ,spark plug, fuel injector. reset computer runs about 1 day then sets the check engine light. i just reset computer again and see if that helps. any other ideas before having to go to dealer? John K ...On Sunday with truck shops closed, my check engine light came on while I was in Alamogordo, the engine ran a bit rough, so I drove to AutoZone for them to sc...Here are the most common issues that cause the P0130 code in the Ford F150. They are presented in order (somewhat) of most to least likely to cause the problem. The O2 Sensor is Typically the Cause of P0130. Bad Oxygen Sensor - The oxygen sensor itself is one of the most likely reasons that P0130 is triggering your service engine soon light.What does bank 1 and bank 2 mean for repairs and causes of a fordExplorer ford misfire code Ford f150: understanding p0385, p1359, and p0305 codesFord p1443 & p0401 trouble codes. Check Details Code ford cyl misfire engineIf your Ford F150 has thrown P0358, it may be accompanied by P0308 (this code indicates that the eighth cylinder is misfiring). Addressing P0358 should take care of P0308. P0358 is a relatively straightforward diagnosis and can be caused by a bad coil pack or wiring harness issue, although other less likely factors do exist in some cases.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...2004 - 2008 Ford F150 - P0308 and P0304 - Hello. 2006 5.4L 3v misfire. #8 misfires no matter what. #4 misfires under load. I'm more concerned with #8. 195 psi of compression, swapped injector, plug and coil to a different cylinder, no change. Pulled out upstream 02 to see if the cat was clogged.Diagnostic trouble code (DTC) P0308 stands for “Cylinder 8 Misfire Detected.”. This means the powertrain control module (PCM) detects that there was incomplete combustion or the absence of combustion in the cylinder numbered “8” in the arrangement of cylinders on the engine. Common causes of the P0308 code include a bad spark plug, a ...Ford F-150 / F-Series Generations. 2004 - 2008 Ford F-150. If you shop at Amazon.com (for anything), use this link to help support FordF150.net! Looking for recent topics? P0308, P0316 Crankcase position sensor. 7 posts • Page 1 of 1. No-Tyme Regular Member Posts: 102 Joined: Thu Oct 11, 2007 1:48 amReceived 2 Likes on 2 Posts. 2006 6.0 P0308 code. I have a 2006 F250 with a 6.0 powerstroke. Today I went to start it and it had a definite miss and blowing white smoke from the tailpipe. I do not have an egr cooler so it's not that. The coolant bottle is not low nor does it have any pressure building while the engine is running.2004 - 2008 Ford F150 - p0308 again! im over it - Well today was the third time in the past 6 months my CEL flashed and my truck started shaking. Cylinder 8 misfire. I replaced the coil pack the first time. A month or so later it happened again so I replaced all of my coil packs with accel. Today only 3 weeks since I...29 Aug 2020 ... Just a quick video on how to i ran the gas out of the truck to the point where i developed a bad miss. Error Code P0303, here's how i ...2004 - 2008 Ford F150 - P0308, P0174 Codes - I have a 2008 4.6L STX 4x4 model F150 (140k miles) that is idling with a little more vibration than normal at around 750 rpm, vibration increases as I gave it more gas and accelerate, also there is some hesitation during acceleration.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 ...P0308 code on expedition 98 99 misfire ford check engine light 2000 .. codigoQ&a: ford f-150 p0308 code How to fix code p0306 on f150 5.4Ford code f150. Misfire f1502003 ford expedition cylinder #8 misfire Ford f150 5.4 / 4.6 2v misfire ignition coil test, repair, replace install. code p0300, p0307Ford f150 trouble codes.2004 - 2008 Ford F150 - 2004 5.4 miss at idle - Hi all! I'm new and could use some help. 2004 F150 5.4 with 169,000 on it throws a p0308 code. Idles ruff but smooths out at about 1000 to 1100 rpms. So far I have changed the COPs, new plugs, new fuel injector on #8, ran injector cleaner through it and today I cleaned...Heres the background: 2015 F250 6.2 liter gasser. 138,000 miles. I just bought it used about 1500 miles ago. Drove it for maybe 1000 miles with no issues - ran smooth, no check engine lights, nothing out of the ordinary other than that the fuel economy was worse than expected (not that I expected it to be good - but it seemed that 11 mpg …The Ford F150 is a popular pickup truck known for its rugged durability and impressive performance. However, when the engine experiences a cylinder misfire, such as code P0307, the fuel economy can be severely impacted. A cylinder misfire occurs when one or more of the engine's cylinders does not fire properly. When this happens, the engine ...Labor: 1.0. To diagnose the P060A 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.Apr 19, 2022 · Diagnostic trouble code (DTC) P0308 stands for “Cylinder 8 Misfire Detected.”. This means the powertrain control module (PCM) detects that there was incomplete combustion or the absence of combustion in the cylinder numbered “8” in the arrangement of cylinders on the engine. Common causes of the P0308 code include a bad spark plug, a ...2009 - 2014 Ford F150 - Cylinder Misfire! 2011 5.0 F-150 - My 2011 5.0 has been misfiring. Codes, P0307, P0308, Cylinder (7 & 8). I replaced the spark plugs twice, replaced the ignition coils and the cables are fine. The cylinder does not have low compression either so I think it may be the fuel injectors but I'm not...2004 - 2008 Ford F150 - P0308 and P0304 - Hello. 2006 5.4L 3v misfire. #8 misfires no matter what. #4 misfires under load. I'm more concerned with #8. 195 psi of compression, swapped injector, plug and coil to a different cylinder, no change. Pulled out upstream 02 to see if the cat was clogged.Jan 8, 2023 · P0308 is a diagnostic code that indicates an engine misfire on cylinder 8 in a Ford F150. Common causes of this misfire include a faulty spark plug, worn spark plug wires, a faulty fuel injector, a vacuum leak, an intake manifold leak, a faulty ignition coil, or an engine mechanical problem.Let me know what you think. Thanks. Modular V8 (4.6L, 5.4L) - '06 5.4 SD, flashing engine light, surges, runs rough - On my way to work on the highway at 40-50 MPH, my truck started flashing the yellow engine light and it didn't want to maintain a steady spped. I've since parked and started it 3 times and noticed on the highway it doesn't want ...What is the P0308 Ford F150 code? The powertrain trouble code shown by the system shows there is an issue with cylinder 8 of the engine. The primary symptom is severe engine misfire. Misfire means that one or more engine cylinders cannot produce enough power. Here, the P0308 code arises to show the problem with only…Ford F-150 / F-Series Generations. 2004 - 2008 Ford F-150. Looking for recent topics? help! p0301 p0305 p0307 po308 p0018. 2 posts • Page 1 of 1. biggameslayer New Member Posts: 1 Joined: Mon Dec 09, 2013 1:25 am Truck: 2007 f-150 5.4. help! p0301 p0305 p0307 po308 p0018.Received 2 Likes on 2 Posts. 2015 F150 3.5L EcoBoost P0087. So I'm having an issue with this DTC and I'll get to that in a minute. Here's the story of when this code popped up. I was towing a trailer with 4 ATVs (probably close to 3800-4000 lbs) 141 miles to go camping. On the way there, we had two steep we uphill climbs.Service Procedure. Connect the Ford Integrated Diagnostic System (IDS) or Ford J2534 Diagnostic Software (FJDS) to the data link connector (DLC). Check for DTCs. Is P0316 and/or P0011, P0012, P0016, P0018, P0021, P0022, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 stored in the PCM? Yes - proceed to Step 2.Faulty Ignition Coil 8. Ignition Coil 8 harness is open or shorted. Ignition Coil 8 circuit poor electrical connection. Faulty Engine Control Module (ECM) ⚠ Does …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. Code: P0308. Definition: Cylinder 8 Misfire Detected. Description: The PCM continuously monitors the crankshaft speed and acceleration for each cylinder event. When the deceleration is detected the PCM uses the crankshaft position (CKP) and the camshaft position (CMP) signal information to determine which cylinder misfired.Ford. F150. Clear All. $86,950 $89,950. Excl. Gov. Charges. 213,888 km. 2019 Ford F150 5.0LTR LARIAT 4X4. Dealer: Used. Penrith, NSW • 36km. Check Availability. 2019 Ford …To diagnose the P0308 1998 Ford F150 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.The cost to diagnose the P0308 2002 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 repair shops charge between $75 and $150 per hour.2004 - 2008 F150 - P0302 and P0316 Codes - My 04 F-150 has recently been blowing these two codes. I've replaced the coil pack already and it is still making the check engine list come of. ... injector cleaner, replaced #8 injector, replaced fuel filter, cleaned MAF sensor, replaced air cleaner...still throws P0308 on cold start. Took ...Fouled spark plug. Faulty Ignition Coil. Defective coil pack/wires. Bad fuel injector. Leaking valve. Vacuum leak. Worn-out piston ring. Leaking or blown head …Code Tech Notes. The P0308 code means that cylinder 8 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 8. If the problem persists more tests need to be done to diagnose the problem, see "Possible Causes". User Submitted Video.2004 - 2008 F150 - P0308 code - Just got a new code p0308 (cylider 8 misfire); anybody know where the coil pack I need to replace is located on the 5.4 L or any other ideas would be appreciated. I've got 69K miles on my 06 fx4 so I guess it's getting close to time to replace plugs. Just want to know where coil pack 8...I replaced plugs.6 ignitions coils and oxygen sensor and getting codes PO300,PO303,PO304,PO308,PO353,PO358 and PO174. It will start but know power still got a bad miss. ... 2002 ford f-150 4.6 diagnostic code (po356--po357--po358) I can''t find out what they mean.P0303 is a cylinder-specific misfire code, meaning it’s only the third cylinder that has a misfire. Before you can diagnose P0303 in your truck, you need to find the third cylinder. On “V” configuration engines, it’ll usually be the second cylinder on the head closer to the front of the engine. On inline engines, the third cylinder will .... Explorer, Sport Trac, Mountaineer & Aviatop0308 is a cylinder 8 misfire , can be several reasons why. Nov 9, 2009 · 97 4.6 P0308 code. Hey all. I've been trying to chase down a cylinder 8 misfire (p0308) in my 97 f150 with little success. I started by changing the plug. Then measured my plug wire, it was within spec (I'm using a chilton's for all my specs), replaced it anyway with no success. New coil pack. My 98 F150 401 codes dilemma finally solved! 2011 f150 P0308 cylinder 8 misfire detected. The CEL comes in and out. When it's on it idles a little rough then it goes - Answered by a verified Ford Mechanic. ... 2005 Ford F150 King Ranch 5.4 108,000 mi Symtoms: Rough idle / Black exhaust / Engine shake, shudder and misfires will driving. Some symptoms of the P0308 trouble code that the driver may ex...
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