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. Good morning. Any no improvement. Ford 3.5 Ecoboost Engine Problems: Is The Engine Reliable? Privacy Statement - Here's How To Fix It, 5 Symptoms Of Bad Gas In Your Car and How to fix it, 8 Causes Of Low Engine Compression and How To Fix It, 5 Symptoms Of A Bad Engine Control Unit and Replacement Cost, P1326 Code Meaning, Causes, Symptoms (& How To Fix), 5 Symptoms Of A Bad Engine Control Module and Replacement Cost, P1131 Code Meaning, Causes, Symptoms (& How To Fix), Car Wont Accelerate But RPMs Go Up: Causes & Fixes. 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. The car wont rev up over 3000revs per min.could iit b a bad ignition coil. Cookie Policy - The 3.5 EcoBoost engine from the first generation is found in the following Ford and Lincoln models: Ford began offering the second-generation EcoBoost engine in select models in 2017. Misfires can cause serious damage to your engines internal parts and the catalytic converter, which can be very costly to repair. I wouldnt have thought a UK dealer would make the same mistake but Im almost sure they did. There arent many issues that frequently occur with these engines. If an issue does occur, it is prudent to replace the entire timing chain assembly. Jan 23, 2021. ouguru said: 2011 F150 FX4 with 3.5L Ecoboost developed a severe misfire at 65k miles. When symptoms exist and there are no codes, it becomes a little more difficult. If you notice that it vibrates more than usual, it could be a sign that the engine is misfiring. New plugs areNGK Spark Plug SILZNAR8C7H (93593) same NGK part number as the originals. For the F150 I asked a Ford dealer in Minnesota to diagnose it. 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. 165k miles #1 cyl misfire code. Ford 3.5 TT V6 Carbon Build-Up Symptoms. Carbon tracking is where the spark fires between the top of the plug and the base, across the ceramic shell. Check light blinking, car acceleration slow. This detects failures over a period of 200 revolutions. Is it in the fuel tank as part of the pump module? As a result, the cylinders of the 2.7 EcoBoost may experience inconsistent air delivery due to restricted airflow. Regardless, we would want to complete the job. That being said a few things to watch out for. Fuel Injectors Can Get Clogged. Ford EcoBoost Engine Leak So Bad There's A Class-Action Lawsuit I'd get rid of this truck if I could but the timing just isn't right. Its best to diagnose and repair the issue as soon as possible. While timing chain issues are unlikely to be as prevalent as some may believe, they are something prospective owners should be aware of. Still #1 misfire. Ignition components can produce a wide variety of symptoms and drivability issues, so dont overlook simple spark plugs or coils. Rotate the ignition coil back and forth a few times to help spread the dielectric grease. May 9, 2021. Additionally, Ford did an excellent job with the second-generation 3.5 EcoBoost in addressing some of the issues. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Otherwise, its primarily labor associated with gaining access to the intake ports. Ford also added port injection to the second-generation 3.5-liter V6 twin turbo engines. It does sound like it is running lean, it's strange that there are not codes all the time. A misfiring engine can be a serious problem that should be fixed as soon as possible. Just a theory. My scan tool isFoxwell NT530 Full Systems Scanner for Ford, which is a small stand alone hand held unit with access to all vehicle modules. 7 Common Ford F-150 2.7 and 3.5 EcoBoost Problems READ MORE: 6 Symptoms of a Bad Ignition Coil (& Replacement Cost). By March 10, 2022 in General Ford Related Discussions. However, it is a much simpler job than changing the spark plugs. Hesitation everytime I get into the throttle. Terms of Service - . Time and the winter will tell. Most likely, you will be unaware of a gradual loss of power over a period of several years. How to Fix Common 2013 Ford F150 Ecoboost Problems 97 Toyota 4Runner 2.7 engine. 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. Ford 1.6 Inline-4 Timing Belt Change. The function of the spark plug is to ignite the air-fuel mixture in the combustion chamber, and if there is something wrong with the spark plug, it will not ignite, and a misfire will occur. Modern cars have good monitoring systems for all the different car sensors on the engine. Jun 30, 2021. Remove the plug on the ignition coil of the cylinder you're working on. RyanP2023 Any thoughts, is the fiesta 1.0 ecoboost prone to wiring loom faults, ecu faults, multiplug pin corrosion, water getting places it shouldn't? Started February 26, By The misfire code will indicate that something is not right with the engine. SMax auto is slow to shift down to 1st gear. If the timing chain completely fails, additional damage to the 3.5 EcoBoost engines is possible. 3: Clean MAF, ensure air cleaner is clean and not damp, 4: Turbo bypass valve is weak and can leak, fit a turbosmart replacement (cheaper and more durable than OEM), 5: Have the plugs been changed? This makes the 3.5 EB an excellent engine for towing and fun around town without requiring full use of the engines RPM range. Ford had a PCM reflash for these cars after the first few model years for the computer as to not trip a code on cold start misfires. You can expect a cost of $200 to $500 to fix a misfiring engine in most cases. 1. If youve checked all the things above, but still cant figure out whats causing the misfires in your engine, it might be worth taking the car to a professional mechanic instead. by Aungsty Thu Mar 23, 2017 6:38 pm. Smoke Can Indicate Danger For You. . There is a gasket located between the cylinder head and the intake manifold called the intake manifold gasket. F150 3.5L Ecoboost misfiring | Ford Forums Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. Woww wow wow great article! Additionally, timing chain issues appear to be more prevalent on F-150 models than on others. Ford EcoBoost engines deliver exceptional performance, torque, fuel economy, and towing capacity. Great helpfully web site. Ignition coils have a life expectancy of 25,000 miles if were lucky. 8. Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine . The car engine is most sensitive to small air-fuel mixture problems at idle, so this is probably one of the first places you will notice misfires. 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. Aside from an oil extractor pump, you need a container to pour the excess oil, a clean rag, and a pair of gloves. I also attempted to clear the keep alive memory by disconnecting the battery for an hour, don't know if this worked but it did zero all the average fuel economy data. 2.7 EcoBoost stumble on highway acceleration. Aug 11, 2020. 2017 Escape 2.0 Ecoboost misfire | 2013+ Ford Escape Forum Engine Control Unit (ECU) begins to misbehave . The most common car sensors that cause an incorrect air-fuel mixture are the MAF sensor, the MAP sensor, the oxygen sensor, and the coolant temperature sensor. So I would start there and then continue troubleshooting from whatever code you get. Did you fit standard OEM? If your car's check engine lights come on and stay on, more than likely the camshaft sensor is bad. Some F-150 owners have complained of a mysterious misfire on these engines. Cylinder 4 misfires. | Page 2 | Ford Mustang Ecoboost Forum Their proposal is now a wiring loom or PCM, the first cost a lot in labour and the second a lot in parts and no guarantees. In many ways, its the best of both worlds, as DI has numerous advantages over PI. Remove the spark plug and ignition coil from that cylinder and visually inspect them and replace them if they look bad or dirty. jsk There Can Be Damage To Different Parts Of The Motor. Fortunately, checking the fuel pressure in your car is fairly easy with a manual fuel pressure gauge, and worth doing if you suspect low fuel pressure. Push in the red plastic lock tab to secure the power plug. If your engine is misfiring, it's important to determine the cause as soon as possible. Parts cannon loaded and ready -- Customers paying -- Fire at will !! However, using PI has a few additional benefits, most notably assisting in the prevention of carbon build-up. While this is a common issue with the EcoBoost, it does not occur with every engine. Misfires Are More Common Than You'd Think. TuningPro.co is owned and operated by 8020 Media. For the car engine to work properly, the perfect mixture of air and fuel is required, along with a clear and strong spark. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. This includes misfires, power loss, and a rough idle, among other things. What are your thoughts on the 3.5 EcoBoost? Manage Preferences - Truck ran pretty good even picked up about 1.5 mpg, then the last couple of weeks it has become a tired dog. Yes I agree. This messes the air-fuel mixture causing the Ecoboost to misfire on your Ford F150. At 96,000 Miles. The engine hesitation misfire symptoms are very mild at the moment and only occur while the engine is warming from a cold start, say 1 to 3 miles after start at about 50mph and on light cruising throttles. Spark Plugs And Ignition Coils Issues. Had a slight misfire so I changed Spark Plugs and Coils. Read more: Low Fuel Pressure Symptoms, Causes (& How To Fix it). Often, it is simply normal wear and tear, but early problems are possible. Pasted as rich text. Most likely not your air filter. Ive been driving the Expedition for a month now with the new plugs, and havent received a misfire code. Change the oil on time, use high-quality oils, and address issues as they arise. A design defect allows coolant to leak into the cylinders of the 1.5L, 16L, and 2.0L EcoBoost engine. If I need to take the car back as is I will invest in the FORScan system suggested above. The majority of 3.5L V6 EcoBoost engines should have no significant issues reaching 200,000 miles or beyond. Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum, 2006 F150 5.4 Sputtering - New thread CONDENSED. Check battery terminals are properly clamped and that the earth lead between the engine and chassis is good. https://www.youtube.com/watch?v=0J83RZi3eCE, Hi thanks for your reply. I had an F150 and an Escape both do exactly these same things. These misfires often occur under load from the engine, such as when you accelerate quickly. The Ford 3.5 EB strikes an excellent balance of power, torque, towing capacity, and efficiency. The next thing you want to check is the fuel pressure. Youll have to push down on the gray tab to get the plug to connect from the coil. If you "tune" this engine expect to replace spark plugs every 10,000 miles. 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). The fuel injectors supply the combustion chamber with the correct amount of fuel for each cylinder, and there is usually a separate fuel injector for each cylinder. When the engine control module receives the data, it will determine if the problem is serious or not. This includes misfires, power loss, and a rough idle, among other things. The plugs were changed at 40k as I was aware of a slight hesitation back then, no improvement, the car is at just under 50k now. Replacing the timing chain and other critical components is not a simple or inexpensive task. Truck: 2011 F-150 XLT Super Crew. 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. Read the manufacturer's instructions and set up the pump. OK ForScan up an running and after much testing I can see the fuel rail pressure sensor raw voltage signal intermittently dropping to zero volts for a few mili-seconds then recovering. Ecoboost Misfire Solution! - Ford F150 Forum If you see a blinking or flashing check engine light, thats another strong sign that your engine is misfiring. Carbon deposits accumulate over time and obstruct airflow into the cylinders. Is it Safe to Drive With a Misfiring Engine? - YourMechanic In this video we show you how easy it can be to diagnose a misfire on a modern engine with the right tools.Latest Ford Parts:Ignition Coil (2011-2016)-https:. Removing #1 resulted in NO difference in idle. Started Wednesday at 06:15 PM, By If youre unlucky, it could be due to poor compression, which can be very expensive to repair. If a sensor is failing or a sensor detects that something is wrong with the engine, it sends the information to the engine control module. This is not a critical situation that requires immediate attention. These cars are prone to misfires if the variable valve timing is malfunctioning. If you do this, and change spark plugs every 30k miles, you will never have a misfire ever again. 2.7 EcoBoost stumble on highway acceleration - F150 Forum We are very familiar with this coming from the BMW world. A high-quality shop vac and walnut media shells are required for this job. Parts of the ignition system such as spark plugs and ignition coils are also a disadvantage of turbocharging. 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. Display as a link instead, Im not sure whats going on but whenever I try to drive it Ill put it in drive and it will start to go and when you give it gas it will accelerate for a second then rev high like it shifted into neutral then shift and it will repeat that same cycle until the car switches into failsafe mode.. any advice on where to start? Fixing a misfiring engine can sometimes be difficult without the right knowledge and tools, due to the multitude of possible causes. Also make sure that the correct viscosity of oil was put in as the wrong "weight" of oil can make the VVT malfunction. This is why you HAVE TO DRILL the 1/16" intercooler weep hole. If any of these things fail, it will not ignite the combustion chamber properly and a misfire will occur. Take care of the 3.5 EcoBoost and it will almost certainly reward you with a pleasant, reliable driving experience. My problem is, that it starts shaking when I accelerate to a certain speed. 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. Spark plugs for stock 3.5 EcoBoost engines will likely need to be replaced every 40,000 to 60,000 miles. As mentioned above, the ECM controls the engine timing, and air/fuel ratio. I hav tried out diff tps sensor,air flow meter,changed plugs an plug leads an checked the distributor.fuel pressure 7bar on idle.pls cn you assist. good article but didnt cover a p0300 with misfires on all cylinders on 1 bank of a v8. If the problem comes from the drivetrain and not the engine, the CV joints or driveshafts are common causes. The worst condition of exhaust and converters. Ford 1.5 EcoBoost Engine Problems: Reliability, Specs & Reviews P0303 definition: Cylinder 3 misfire detected. . MechEng, What Happens When Cam Phasers Go Bad - It's Bad! - Car Mod Nerd Manage Preferences - A class-action lawsuit just filed says that the 1.5-liter, 1.6-liter, and 2.0-liter EcoBoost engines leak coolant into cylinders. 4. The truck is setting p0302 and p0305 under heavy acceleration. I wasn't very succinct with my summarybut yes, I agree fully with Bravo and Whoand yes, when I have it to do again, I'll never own another boosted motor. Check the fuel pressure and compare it to the manufacturers specifications. 00:00 / 00:00. . If your car engine sounds unusual, its possible that your engine is misfiring on every cycle. However, it depends on how serious the fault is and what specific repairs need to be made. My guide has information on the top 9 most common F150 PCM problems and their symptoms. Fortunately, this is not a time-sensitive task that requires immediate attention, and you may not even want to do it at all. https://www.bmdiag.co.uk/forscan-diagnostic-cable-for-ford-vgate-vlinker-fs, Touch up repairs - clues/recommendations/tips, Front end creaking/ knocking when breaking, Windows not working mk7 1.0 2016 red edition, My pcv valve is leaking oil onto the radiator fan, Ford Focus Titanium 2015 - Battery Issues. How long can you drive with a misfiring engine? 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. Ecoboost 1.0 - Difference Between 100Hp And 125Hp Version ? FORScan can access Mode 6 but I don't know what TID's are available for your car. If youre running a tune, making mods, or driving the 3.5 EcoBoost hard, the lifespan of the ignition components can be significantly reduced. The most common cause of an engine misfire is a bad or failing ignition coil. The carbon deposits can cause un-even amounts of air to enter to cylinders. If the misfire is specific to a cylinder, it may display a check engine light and a DTC such as P0301, P0302, P0303, P0304, P0305 or P0306. 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. I have a 2003 BMW 745i 7 series. He shows location of low side pressure sensor (and goes through other common faults). Overly rich running engine. Continuing to drive with a misfiring engine can cause serious damage to your cars engine. Due to the high turbo boost pressures, spark plugs and ignition coils are subjected to significant abuse. Low fuel pressure causes less fuel to enter the engines combustion chambers, resulting in a lean air-fuel mixture that can cause misfires on all cylinders. Here are some of the symptoms of a bad VCT solenoid: 1. Regards Another frequent symptom of carbon buildup on the Ford 3.5L turbo engine is decreased power. This oil eventually cakes onto the intake valves as it travels through the intake tract. There are also many vacuum lines on the intake manifold that can leak, giving the same symptoms as a bad intake manifold gasket. My Toyota corolla 2009 cylinder 2 & 3 is misfiring. According to . Started Thursday at 09:49 AM, By Birdzini The 74-page lawsuit was filed by five plaintiffs, Robert Reed, Stacy Coppock, Craig Morford, Kelli Morford, and David . Failed injectors arent very common on most modern car models, and because of this, youll want to check out the other possible causes first. Long story short I took my vehicle to a ford dealership over a check engine light and very low power and was told that the turbo was the culprit and needs replacing. random misfire and cyl 4 misfire. Remove the bolt that holds the coil pack in place with a 8mm (5/16) socket. Ford addressed this issue with the second-generation 3.5 EcoBoost by utilizing both direct and port injection. Specific information about the Ford 3.5 timing chain problems is scarce. Re: 2011 f150 ecoboost misfire p0301. Fuel related misfires can be caused from bad fuel. Zain here However, finding these vacuum leaks is often quite easy and we will talk about that further down in the article. However, numerous other factors can cause rattle. This contributes to the prevention of carbon build-up, which we will discuss later in this article. Fuel related misfires can be caused from not enough fuel. Spark plugs should be replaced on a schedule for all car models, and not replacing them on time can cause fouled spark plugs, which can cause misfires. Anyone know what thelow range fuel pressure sensor reading 5 volts is telling us? I really appreciate you, thx for sharing that with us! Verified plugs and wires by swapping #1 with #3. Every engine suffers from some degree of oil blow-by. If you lose power while driving on a busy road, this is a safety hazard. Like you I thought spark plugs and changed them early on but sadly no improvement. Need some advice here, I have a 2015 F150 3.5 Ecoboost. First check all ground connections are clean and tight. This is a repeat of a problem I had about 2 years ago which was never diagnosed but cleared itself which is always a bit unsatisfactory Initially the symptoms were very noticeable and made the car difficult to drive, then progressively improved during the 10 mile journey home and are now just annoying. If I get on the highway at 70 , It does not take long to get the check engine light. An old trick that mechanics often use on car engines with separate ignition coils is to switch the spark plug and ignition coil to another cylinder. Misfires can cause all sorts of problems, from reduced fuel efficiency to complete engine failure. To determine if you have low compression, remove the spark plugs. Excess carbon build-up on the 3.5 EcoBoost intake valves and ports manifests itself in the following ways: The majority of these symptoms are caused by the primary symptom misfires. 2. In order to get to the #5 and #6 spark plug, youll have to unplug the harness connector on the injection pump. If you cant find any problems on the spark side, its time to look at the air-fuel mixture. Remove the insulated cover over the injection pump to get to spark plugs # 5, and #6. You may or may not be able to monitor High and Low side Fuel Pressure readings, actual and desired. VVT has the ability to generate more power or save more fuel depending on the phase of the camshafts. The Escape is a hot mess. 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. Changed the coil packs, no improvement. Tighten the plug in the clockwise direction with the 3/8 drive ratchet to just past hand tight. Low fuel pressure can be caused by a faulty fuel pressure regulator, a faulty fuel pump, or a clogged fuel filter. Matilda Magnetic build 2019 6.5' bed crew cab fx4 heavy tow.. Do Not Sell or Share My Personal Information. Ford F-150 bad ignition coils symptoms, causes, and diagnosis If you are installing brand new plugs, tighten them until you feel the new crush washer collapse. P0445 Code Meaning, Causes, Symptoms (& How to Fix it), 7 Reasons Your Engine Is Running Rich and How To Fix It, Car's Engine Burning Oil? The 5 Most Common Ford 2.0 EcoBoost Engine Problems Make sure that the oil change did not overfill or underfill. but I don't feel or hear any misses . They diagnose all the pretty computer BS and forget that under all the plastic and computers and pretty engine covers theres still a spark-ignited engine. 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. Determine which cylinder(s) is misfiring by inspecting the fault codes. If your car engine is misfiring, it is important to find out the cause and fix it as soon as possible. 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. Puzzled. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. If not maintained, it could mean sending the car to the junkyard sooner . A random misfire means is that a misfire is detected . I have done plugs and coils as well, even new throttle body. If you notice any of the signs or symptoms of a misfiring engine, get them checked out by a professional as soon as possible. 3. Pretty common to have a misfire on these motors on cold start. OEM COILS - Keep in mind no check engine light just a slight miss under light loads and typically above 60MPH (1200-1500 RPM) Didn't solve the problem, re did the process . in both cases, the engines were significantly under the mileage recommendation to replace the spark plugs. Ford 2.7 Ecoboost Problems - CoPilot In any case, the issue at hand is one of timing chain stretching. Causes & How To Fix It. Therefore, if your 4-cylinder engine misfires on one cylinder, it will sound like a 3-cylinder engine. The updates aid in the support of increased power and torque. The known common problems of the Ford 1.5 Ecoboost engine are: The Problem Of Overheating Has Been Exceeding. In rare cases, it can also happen because of low engine compression.