I do see codeB10EA from the positive temperature coefficient heater sometimes but have assumed that cant be related. Check light blinking, car acceleration slow. Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine . <>Avoid over tightening the bolt to prevent from cracking the plastic ignition coil housing. Misfires Are More Common Than You'd Think. Ford 1.5 EcoBoost Engine Problems: The 4 Most Common Problems, ignition system such as spark plugs and ignition coils, 10 Best Digital Calipers In 2022 Expert Review, 10 S9 Charging Cable Of 2022 Reviews & Comparison, 10 Projectors For Laptops Of 2022 Reviews & Comparison, 10 Brother Mfc L5900dw Of 2022 Reviews & Comparison, Top 10 Porter Athletic Equipment Recommended By Editor, 10 Harry Potter Proclamation In 2022 Expert Review. Glad you found something that works. The majority of 3.5L V6 EcoBoost engines should have no significant issues reaching 200,000 miles or beyond. When I first purchased the fuel mileage was horrible but my smiles per mile was up, now the best Ive seen from the lie-o-meter was 19mpg on the highway and heck I still smiled.WTH..lol. Then, go backwards to cylinders 2,3,4,5,6 on the driver's side. Pretty common to have a misfire on these motors on cold start. You may also notice that the engine does not sound like it used to, and that your car has reduced power and fuel efficiency. The known common problems of the Ford 1.5 Ecoboost engine are: The Problem Of Overheating Has Been Exceeding. There Can Be Damage To Different Parts Of The Motor. If you get a 3.5L EcoBoost in your shop with misfire code(s) P0300-0306, pull the plugs and coil boots and look for . Naturally, that engine receives some upgrades over the standard 3.5 EcoBoost to accommodate the increased power. If your vehicle idles roughly, stalls frequently, has a drop in engine power, stumbles frequently, has reduced gas mileage, or accelerates slowly, these are all signs your camshaft position sensor could be failing. Paul 56 When one or more cylinders do not fire properly, the engine will become unbalanced, and this can cause severe vibrations inside your car when accelerating or idling. Low Engine Compression. A random misfire means is that a misfire is detected . The advantage of port injection is that fuel is washed over the intake ports and valves. Determine which cylinder(s) is misfiring by inspecting the fault codes. This is a lot of Ford and Lincoln EcoBoost engines. Your previous content has been restored. Finally, when the timing chain stretches, it can throw off the ignition timing, resulting in drivability problems. Ignition coils should last approximately twice as long. Maintain the Ford EcoBoost engine properly, and it will almost certainly reward you with a dependable, enjoyable driving experience. I used a flat blade screwdriver behind the coil to help wiggle it a little to get it out. Tighten the bolt in the clockwise direction with the 8mm socket and a 1/4 drive ratchet until it is snug. So, there you have it all the computers and over a 1k at the main dealer couldn't fix it, but patience, a good eye and some heat shrink and tape and it's fixed for free. Carbon build-up is primarily an issue with first-generation engines. However, it depends on how serious the fault is and what specific repairs need to be made. It also causes the plug to misfire. If you do this, and change spark plugs every 30k miles, you will never have a misfire ever again. It suddenly lost power like it wasnt running on all 6-cylinders, and the check engine light was blinking. The smaller twin turbochargers are quick to spool and deliver a significant amount of low- and mid-range torque. Declan19971 Thanks for the great information passed on. Rotate the ignition coil back and forth a few times to help spread the dielectric grease. Therefore, the first thing you want to do when diagnosing misfires is to check the trouble codes with an OBD2 scanner. Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum, 2006 F150 5.4 Sputtering - New thread CONDENSED. After a bit of discussion we realised that my scan tool and the garage scan tool both indicated that the low range fuel pressure sensor was showing 5 volts which sounds more like open circuit than an an accurate reading. 2: What fuel are you using? At this point I decided to just change the spark plugs. If you are installing brand new plugs, tighten them until you feel the new crush washer collapse. On the 2.7L EcoBoost expect to replace spark plugs at around 40,000 to 60,000 miles. On the 3.5 EcoBoost, some symptoms of timing chain, guide, tensioner, and cam phaser failure include the following: Rattling on cold starts is one of the more common symptoms of a timing chain problem. However, you have some control over how well the twin turbo EcoBoost engine is maintained. NOTE CYFS-12-YT4 replaced the original CYFS-12-YT3 spark plug. Spin in the spark plug a few turns by hand in the clockwise direction to prevent it from becoming cross threaded. random misfire and cyl 4 misfire. I used a small screwdriver to press down on it as I slid the plug off. If I should get a misfire code again, than Ill replace the ignition coil for whatever cylinder the code is for. Faulty plugs. Shudder fix additive can also help as stated above. Started February 5, 2013, By Most likely not your air filter. good article but didnt cover a p0300 with misfires on all cylinders on 1 bank of a v8. Under hard acceleration (i.e., boost) or at highway speeds, an intermittent stumble and misfire reportedly can occur during high humidity or damp conditions. In any case, the first generation EcoBoost produces 355-380 horsepower, depending on the vehicle. The main symptoms of an engine misfire include: Here is a more detailed list of the most common signs of engine misfires: When an engine misfire occurs, you may feel a strong or light jerk coming from the engine. If you notice that it vibrates more than usual, it could be a sign that the engine is misfiring. How to Spot Carbon Buildup. Any thoughts, is the fiesta 1.0 ecoboost prone to wiring loom faults, ecu faults, multiplug pin corrosion, water getting places it shouldn't? 3. Ford enhanced the component before redesigning it for the second generation 3.5L twin turbo V6. Matilda Magnetic build 2019 6.5' bed crew cab fx4 heavy tow.. Do Not Sell or Share My Personal Information. MAF and air filter look to be clean and dry. If you cant find the issue elsewhere, its definitely worth taking a look at your fuel injectors. Therefore, if your 4-cylinder engine misfires on one cylinder, it will sound like a 3-cylinder engine. Those idiots told me I needed a new charge air cleaner, intercooler, possibly new turbochargers and whatever it was would be like $3000. Some mechanics prefer to use anti-seize lubricant grease on the threads, but most spark plug manufacturers do not recommend using anti-seize since it can easily lead to over tightening. In order to get to the #5 and #6 spark plug, youll have to unplug the harness connector on the injection pump. Rev going down and vibrating when gear is engaged. I have a golf 6 TSI model 2010, I changed new spark plugs, ignition coil and spark plugs cables but the car still misfires at times but not always. There is a gasket located between the cylinder head and the intake manifold called the intake manifold gasket. [FIXED] 2011 f-150 3.5l GTDI misfire under load was created by ptebo1. If youre experiencing misfires, heres an easy way to determine whether the problem is with the spark plug or coil. Started August 19, 2022, By The truck is setting p0302 and p0305 under heavy acceleration. The updates aid in the support of increased power and torque. 3. 7. Check the fuel pressure and compare it to the manufacturers specifications. Youll also want to inspect the spark plugs and ignition coils. Additionally, while youre in there, consider replacing a few other small items. I wouldnt have thought a UK dealer would make the same mistake but Im almost sure they did. When I got home I scanned the truck for trouble codes, and discovered these codes: P0300 (Random/Multiple Cylinder Misfire Detected). However, using PI has a few additional benefits, most notably assisting in the prevention of carbon build-up. Has been a great explanation about the theme. Type B detects a condition that is progressing over time. Speechless. You can post now and register later. Its my first scan tool which has been useful but is limited by my knowledge and the small screen. Vehicle does not drive like it used to. engine may exhibit various engine misfire symptoms accompanied by diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303, P0304, P0305 and/or P0306 stored in the . Ford F150 Forum - Community of Ford Truck Fans. Continuing to drive with a misfiring engine can cause serious damage to your cars engine. I thank you for making my life so much easier I'm going forward finding my problem. Joined: Thu Mar 23, 2017 6:09 pm. UPDATED: I have had an issue since I purchased the truck 10 months ago. A design defect allows coolant to leak into the cylinders of the 1.5L, 16L, and 2.0L EcoBoost engine. Kinda forgot the power the 3.5 eco boost had when it was running rightat least no cops were nearby lol. If your car engine is misfiring, it is important to find out the cause and fix it as soon as possible. Thank you for explaining how "misfires" are detected by the camshaft position sensor detecting slight changes in engine speed. Cookie Policy - As for these Ford 3.5 EcoBoost, problems result from the engine using a direct injection fuel system and being twin turbo. Ford introduced the 3.5-liter EcoBoost engine in the Lincoln MKS, MKT, Ford Flex, and Taurus SHO in 2010. Once the carbon deposits become excessive, walnut blasting the intake ports may be necessary. Additionally, timing chain issues appear to be more prevalent on F-150 models than on others. Had a slight misfire so I changed Spark Plugs and Coils. Is this possible ? The Escape is a hot mess. pretty much the same story with the Escape (Kuga 2 US version with 2.0 TT eco boost) except I went straight to the plugs without paying a dealer $100 to diagnose it. Ford did an excellent job updating the second generation 3.5 EcoBoost engine. I finally adjusted the float screw anti clock wise and my problem was solved. All Rights Reserved. Hesitation everytime I get into the throttle. If you suspect that your engine is misfiring, it is important to take care of the problem as soon as possible. Thx, My toyota vitz 2nz engine still misfiring even after puting new plugs wat can b the problem. Zain from S.A, I have a bmw e30 320i 1989. I have a different engine to your one but for comparison my Low side pressure is normally around 400-450 Kpa. If your VVT solenoid is experiencing issue due to a faulty oil control valve, you may notice a reduction in engine performance, as the VVT system may not be able to optimize the engine for peak power generation. Some 2011-2012 F-150 models equipped with a 3.5L EcoBoost V6 engine may exhibit an intermittent stumble and/or misfire on hard acceleration after an extended drive at highway speeds during high humidity or damp conditions. Truck: 2011 F-150 XLT Super Crew. Bad Ignition Coil. The wideband front O2 sensor should show a Current of 0 most of the time under constant or no Throttle openings. Low fuel pressure is another thing that can cause misfires. Only history I have is the truck has had all six ignition coils replaced . As fuel poor pressure measurement and control was one of the key symptoms this was almost certainly the smoking gun. To protect yourself, here are the tried and true methods: Remember, the root cause of ecoboost misfire is the condensate buildup from the intercooler. This oil eventually cakes onto the intake valves as it travels through the intake tract. I4 2.3L EcoBoost Engine / Mods: Bolt-ons, Exhaust, . The Ford 3.5 EB strikes an excellent balance of power, torque, towing capacity, and efficiency. Truck ran pretty good even picked up about 1.5 mpg, then the last couple of weeks it has become a tired dog. If I need to take the car back as is I will invest in the FORScan system suggested above. Turbos lead to high cylinder pressures, which in return stress the entire ignition. If it did, you know its a problem with either the spark plugs or the ignition coil, and you will want to replace all the spark plugs and the ignition coil on that cylinder. Hello from Denmark .I have a Audi A6 C4 2.8 ACK engine ,somtime i lose Ignition on one cylinde,i have change the spark plugs,ignition coil and the spark plugs wires.when i pull the spark plugs wires out from the spark plug next to the one that dont work it comes back one ..and all 6 cylindre works fine .then i can take the car for a spin and the same thing happento i pull out the spark plugs wires next to the bad one ..and its on the same cylinder every time ..is it a bad injection valve ? Here is a look at (2) of the spark plugs that I removed. Magnus is the owner and main author of Mechanicbase. I did the thottle position sensor reset procedure and that helped for about 2 days. Every 10,000 miles, our twin turbocharged 335i with the N54 engine requires new spark plugs. Several Ford owners have filed a proposed class action lawsuit against the automaker alleging a vehicle defect in the EcoBoost engine causes coolant to leak into the cylinders, causing the potential for engine fires and failure, misfires, collision risk, and costly repairs.. For example, if you see a trouble code like P0300 or P030X, it means that the ECM is detecting a misfire on a specific cylinder, and you may want to start checking the spark plug or ignition coil on that cylinder. This revealed a short circuit to earth for one of the HP fuel rail sensor wires. Pasted as rich text. when overtaking. Glenn hastie Several of the most frequently encountered issues with the Ford 3.5 EcoBoost engine include the following: As mentioned previously, the top two issues primarily affect the first-generation 3.5 EcoBoost engine. CursedBones Ive been driving the Expedition for a month now with the new plugs, and havent received a misfire code. This is not a critical situation that requires immediate attention. The last number represents the cylinder that is having the misfire. (Heres How To Fix it), 7 Best Spark Plugs Review & Buyers Guide, Car Losing Power When Accelerating? When symptoms exist and there are no codes, it becomes a little more difficult. For the car engine to work properly, the perfect mixture of air and fuel is required, along with a clear and strong spark. Ecoboost 1.0 - Difference Between 100Hp And 125Hp Version ? This assists in removing oil deposits and preventing them from accumulating. In some cases, the escaping boost pressure can be heard. Not sure how to test injectors. Ford 2.7 EcoBoost Spark Plug & Ignition Coil Symptoms. What else can I do??? So far Im very pleased with my eco as its made me grin when ever I squeeze the smile pedal and if Im not careful my tires or me wont be when replacing is needed. In my case cyl 2 4 6 8 on a dakota 4.7. How Much Does It Cost to Fix Engine Misfires? At 96,000 Miles. If not, change them, 6: If all that fails then it could be a clogged injector or a coil is going down, FORScan: https://forscan.org/download.html, New style 'vLinker FS' lead for use with the latest version of FORScan: https://www.bmdiag.co.uk/forscan-diagnostic-cable-for-ford-vgate-vlinker-fs. If you have an account, sign in now to post with your account. As we talked about earlier, the engine needs the right air-fuel mixture, spark, and compression to fire properly. If you dont know when you last changed the spark plugs, you need to check your service manual and replace them if necessary. Hello allhopefully I'm not regurgitating info herebut since my searches led me to different bits and pieces of my solution, I figured someone else might benefit from it all being condensed into one place. With the retaining the ignition coil plug unplugged and the retaining bolt removed, you can now pull the coil straight out of the hole. I have had it in several times, with no results. Tighten the plug in the clockwise direction with the 3/8 drive ratchet to just past hand tight. Otherwise, its primarily labor associated with gaining access to the intake ports. The most common causes of engine misfires are bad ignition coils or failed spark plugs. My guide has information on the top 9 most common F150 PCM problems and their symptoms. Its best to diagnose and repair the issue as soon as possible. To determine if you have low compression, remove the spark plugs. Hi guys. This includes misfires, power loss, and a rough idle, among other things. This can lead to a variety of engine performance issues and can even lead to serious engine damage if left untreated. Keep your Ford F150 truck running strong. Automotive Performance, Tuning, & Modification. Its critical to establish this for a reason. You can expect a cost of $200 to $500 to fix a misfiring engine in most cases. Up Next: Ford 1.5 EcoBoost Engine Problems: The 4 Most Common Problems. I think the Fuel Pump Module is at the Fuel Tank, I'm not sure where it measures the pressure though. Hi my name is Victor I have a 07 Pontiac Grand Prix V6 I am getting a code low sufficiency threshold have changed wires plugs coils and it runs fine and when I put it under a load start start to run rough so what clean the injectors again it runs fine until I put under load what is the problem, I replaced both coils 8 spark plugs and wires still running bad checked my ekg valve it works motor still shakes and body as well could it be a faulty fuel injector I need help. Puzzled. The car has run perfectly all summer but in the last couple of weeks the fault is back. Yes I agree. laumk7 Advertising - Fuel related misfires can be caused from not enough fuel. SMax auto is slow to shift down to 1st gear. srpocd25 The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. If the timing chain completely fails, additional damage to the 3.5 EcoBoost engines is possible. The most common situation where you will feel misfires is in high gear, low RPM, and with the gas pedal to the floor. My 1997 Sebring run good , as long as I stay under 65 . Any advice is welcomed. Ford did an excellent job of addressing these issues once they became aware of them. To be honest, this is mostly here because weve run out of other topics to discuss regarding the 3.5 EcoBoost. According to . All of these parts are often very expensive to replace, so you want to make sure you do a proper diagnosis before replacing them. Shops frequently charge between $400 and $600 for this service, so its not exactly inexpensive. So I would start there and then continue troubleshooting from whatever code you get. The plugs should be fine, then. Ford, on the other hand, took it a step further by offering a 647hp variant of the legendary Ford GT. Discuss all things maintenance here. The most common cause of an engine misfire is a bad or failing ignition coil. Had the DTC read as P0301 (#1 cylinder misfire) and went to my local Ford dealer, bringing a copy of Ford TSB 12-10-19. December 3, 2020 Ford EcoBoost problems have caused a class action lawsuit that alleges 1.5-liter, 1.6-liter and 2-liter EcoBoost engines allow coolant to leak into the cylinders. If you "tune" this engine expect to replace spark plugs every 10,000 miles. Its a powerful engine with 355 to 647 hp and plenty of torque. Terms of Service - Ford told me that plugs 2 and 6 are cracked and coil in number 2 needs replaced. The pre-2017 3.5L EcoBoost engine had several issues ranging from engine misfires to timing chain issues, while the second-generation engine introduced in 2017 had improvements in timing components and fuel injection. It gains 375-450 horsepower in the majority of models. In any case, the issue at hand is one of timing chain stretching. This messes the air-fuel mixture causing the Ecoboost to misfire on your Ford F150. It can also seriously damage your engine. driveceladon.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Clues so far is that it doesn't like colder temperatures e.g. VVT has the ability to generate more power or save more fuel depending on the phase of the camshafts. Older cars use a distributor to distribute the spark to all the spark plugs, which are powered by an ignition coil. Misfires can cause serious damage to your engines internal parts and the catalytic converter, which can be very costly to repair. Unexpected misfires, check engine light illuminations, rough idleall of these symptoms could indicate that your EcoBoost's timing belt needs to be replaced. Its time consuming and the component costs can add up. 8. How long can you drive with a misfiring engine? 5 Best 2.0L EcoBoost Performance Upgrade Guide, technical service bulletin that can be seen here, 3.5L EcoBoost Timing Chain Rattle Symptoms & Fixes, Ford Fuel Pump Driver Module Failure Symptoms & Solutions, 2010-Present Ford S-Max, Galaxy, and Mondeo, Engine overheating (often triggering a P0217 engine code), Whistling, whining, or chirping noise coming from the engine, Engine builds no boost under acceleration. Started February 20, By The Ford 3.5 twin turbo engine, we believe, receives above-average reliability ratings. One of the conditions that is required to set the code is a fuel . What do I do? Open your hood and allow the engine to cool down. Anyone changed a PCM for a second hand unit, can ForScan do the setup and or reprograming? I took it back home since I didnt have $3000 at the time and on a gamble went down to the auto parts store and bought the tools and spark plugs to swap the plugs out. Push a new spark plug into the spark plug socket. First check all ground connections are clean and tight. Misfires Rough idle Stuttering / hesitation Power loss Check engine light (misfire codes) Prevent ignition coil failures MechEng, 2015 ECO 3.5 Misfire-Tried everything, I think. I will definetly come back for more updates on how to solve car problems. Later when I handed it over to the main dealer they changed the plugs again but no improvement. Therefore, if you notice that your car engine idles rougher than usual, it could be a sign of a misfiring engine. If I do, Ill update this page. Often, it is simply normal wear and tear, but early problems are possible. Ford 2.7 EcoBoost Now Problematic. Car wont move after CV Joint replacement. Could it be a cv joint problem? I've been on other websites trying to find more info on what to do on my VW caddy 1988 model which I'm experiencing misfiring. Update, still not fixed, Ford Main dealer have discussed with Ford UKand both are unable to offer a diagnosis with any confidence. Therefore, if you have checked the basics, it may be worth taking your car to a qualified mechanic for expert advice. However, be very careful when doing this and have a fire extinguisher ready. Emerald Gypsy 1949 Ford Bus Converted Motorhome, 1995 Ford E-350 Airstream B190 Motorhome 44, 1972 Ford Courier Twin-Turbo LS Drag Truck, Rough Rider 1988 Ford F-150 Class 8 Show Truck, Disconnect battery (since Ill be unplugging the coils and injection pump, I decided to disconnect the battery). Fortunately, this is not a time-sensitive task that requires immediate attention, and you may not even want to do it at all. You may also notice other performance issues, like slower acceleration than usual or a stalling engine while accelerating. General discussion on 2009 - 2014 Ford F150 truck. 2013 Ford Escape SEL AWD 2.0 Ecoboost Mileage 110,000 Hello! The engine in modern cars uses many sensors to measure everything in the engine to make them as efficient as possible. Always starts and idles perfectly, even passed its MOT. 1. So far I filled the the tank with premium fuel and added an injector cleaner, no change after 100 miles. John, thanks for your reply. Carbon buildup, on the other hand, can result in power loss and a variety of other drivability issues. Remove the ignition coil from that cylinder and replace it with one from a non-misfiring cylinder. Your link has been automatically embedded. . Received 31 Likes on 28 Posts. In fact, nuzzle 2 & 3 does not bring up any sign it is OK when removed from the plug head to the nuzzle. There is a red locking tab on the plug: Removed all wires one at time, #2,3,4 all made engine want to stall when removed. Last thoughtI've still yet to test it towingneed to know whether I'll still have to play the game jumping between 4th and 3rd depending on the incline. Thank you for your help. 2. This is not to say that the first generation engine is a bad engine by any means. To be fair to the Ford 5.0 Coyote engine, we believe the 3.5 EcoBoost is a clear choice if offered. if everything is working correctly. 9. At 96,000 Miles. This identifies the root cause as the Charge Air Cooler/CAC when it . The worst condition of exhaust and converters. Tajsingh The loom runs below this bracket and in my case there was a rusty stain on the loom. Again, the 3.5 EcoBoost is an extremely reliable engine in general. By understanding the causes, symptoms, and how to fix it, you can keep your car running smoothly and avoid expensive repair costs. I need some direction with this one. The socket should have a rubber insert or a strong magnet to securely hold the plug in place. As a result, carbon accumulates on the intake valves over time. Here is a more detailed list of the most common cause of engine misfires: The most common cause of an engine misfire is a bad or failing ignition coil. Additionally, Ford redesigned the timing chain in response to concerns about the previous designs reliability. Due to the high turbo boost pressures, spark plugs and ignition coils are subjected to significant abuse. Excessive carbon buildup on the 2.7 EcoBoost may result in the following symptoms: Engine misfires Privacy Statement - Additionally, they address a few reliability concerns, making the Ford 3.5 twin turbo engine from the second generation even more reliable. Removing #1 resulted in NO difference in idle. If you think you may have a problem with engine misfires, the best thing to do is take it to a mechanic to have it checked out. 6 Symptoms of a Bad Ignition Coil (& Replacement Cost), 5 Signs of a Bad Intake Manifold Gasket (& Replacement Cost), Low Fuel Pressure Symptoms, Causes (& How To Fix it), 8 Symptoms of a Bad Fuel Injector (& Replacement Cost), 8 Causes of Low Compression in a Car Engine (& How to Fix), How to find a Vacuum Leak & How to Fix It (8 Easy Steps), Car Jerking When Accelerating? . Its plastic, so you dont want to pry on it or you may break it. Not too shabby in terms of longevity. If your car engine sounds unusual, its possible that your engine is misfiring on every cycle. Jan 23, 2021. ouguru said: 2011 F150 FX4 with 3.5L Ecoboost developed a severe misfire at 65k miles. However, it is entirely possible that this is simply because the F-150 is the most popular model equipped with the EcoBoost engine. Before we begin, lets jot down a few quick notes. Acts like it doesn't know what gear it should be in. northern_nubie The garage needs some thinking time so they haven't physically worked on it in the last few days, I need to chase for updates. Ford addressed this issue with the second generation 2.7 EcoBoost by utilizing port injection. Hi, Magnus i read your instructions, i own a vw tourage 2008, according to the trouble codes i got from dtc the engine has a misfire on all 6 cylinders, and random misfire, one thing that i wonder is that the engine sounds smoothly well tuned, the check engine light is on, I'm replacing the spark plugs they are dirty and according to the a page that i found in Google the gap should be. However, when only DI fuel is used, there is nothing to assist in cleaning the ports and valves. With the ignition coil out, you can remove the spark plug using a 5/8-inch spark plug socket, extension, and ratchet. Received 13 Likes on 13 Posts. Although mostly reliable, a Ford 2.7 EcoBoost engine has problems including carbon build-up, oil pan leaks, and spark plug and ignition coil issues. I thought it was misfiring or driveline related. Is it in the fuel tank as part of the pump module? I have a 2003 BMW 745i 7 series. in both cases, the engines were significantly under the mileage recommendation to replace the spark plugs. Remove the plug on the ignition coil of the cylinder youre working on. Here's my top pick motor oil for the Ford EcoBoost cyclone engine. 5/8-inch spark plug socket for 3/8-inch ratchet. It may stall, and not be able to start again, until you turn the ignition all the way off and back on again. I have to admit I'm pretty fed up and disappointed with the ecoboost. . Some vehicles have a separate ignition coil on every spark plug, while some cars have one coil pack with an ignition wire to each spark plug. Zain here Is there any cheap way to improve compression or get rid of the code? The numbering of the cylinders on a Ford F150 starts from cylinder 1 on the front and goes backward. The dielectric grease will help seal out any moisture, dust or debris and ensure a reliable electrical connection. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. This detects failures over a period of 200 revolutions. Remove the insulated cover over the injection pump to get to spark plugs # 5, and #6. P0300 - this trouble code indicates that there is a random misfire. i have hyundai accent 2012 model ,manual gear.my car RPM fluctuates even after i changed my coils ( 3 coils are good and one coil current was leaking so i changed only that coil),plug ,air filter etc.kindly suggest what is the remedy for this problem. Although we adore the 3.5 EcoBoost, no engine is perfect. Additionally, turbocharged engines, such as the Ford 3.5 EcoBoost, have more components that could fail.