Well discuss some of the most common issues with the Ford 3.5 EcoBoost V6 in this article, as well as its overall reliability. The advantage of port injection is that fuel is washed over the intake ports and valves. Automotive Performance, Tuning, & Modification. Started Wednesday at 03:50 PM, Ford Owners Club 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. 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 . A car engine is very balanced when it is manufactured and often has balance shafts and various tricks to get as little vibration out of it as possible. 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. Any thoughts, is the fiesta 1.0 ecoboost prone to wiring loom faults, ecu faults, multiplug pin corrosion, water getting places it shouldn't? Therefore, if you have checked the basics, it may be worth taking your car to a qualified mechanic for expert advice. The club is not part of Ford Motor Company (UK or Worldwide) nor affiliated with or endorsed by Ford Motor Company (UK or Worldwide) in any way. 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 . Update, still not fixed, Ford Main dealer have discussed with Ford UKand both are unable to offer a diagnosis with any confidence. . Started February 20, By Checked all the ground connections I could find, they all looked good. 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. Hesitation everytime I get into the throttle. 2.7 EcoBoost stumble on highway acceleration. I'd get rid of this truck if I could but the timing just isn't right. 2013 Ford Escape - Turbo failure - Car Talk Community I haven't done anything with the turbo bypass valve so far assuming that at these very light throttle loads the turbo can't be contributing much if anything. With the hood popped, standing in front of the vehicle, looking at the engine the cylinder numbering starts at the front left (passenger . Here are some of the symptoms of a bad VCT solenoid: 1. Posts: 3. I knew my Metro had a burnt valve and low compression, but I would not call that a misfire, since the fuel is burning fine, just leaking into the exhaust and delivering less power. Apply some dielectric grease to the opening in the rubber dust boot at the bottom of the ignition coil. Lower the ignition coil back down into the well and push it on to the top of the new spark plug. Ford addressed this issue with the second-generation 3.5 EcoBoost by utilizing both direct and port injection. Misfires Rough idle Stuttering / hesitation Power loss Check engine light (misfire codes) Prevent ignition coil failures Great helpfully web site. As a result, the cylinders of the 2.7 EcoBoost may experience inconsistent air delivery due to restricted airflow. srpocd25 So far I filled the the tank with premium fuel and added an injector cleaner, no change after 100 miles. Ford 3.5 EcoBoost Engine Problems: Reliability, Specs & Reviews 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. When the engine control module receives the data, it will determine if the problem is serious or not. The socket should have a rubber insert or a strong magnet to securely hold the plug in place. Hi guys. 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. Otherwise, its primarily labor associated with gaining access to the intake ports. The updates aid in the support of increased power and torque. Your previous content has been restored. Youll have to push down on the gray tab to get the plug to connect from the coil. Acts like it doesn't know what gear it should be in. Connect a compression gauge to the spark plug holes and crank the engine several times. So the car in now at a local garage and they are struggling as well. Advertising - plasticpat Line up the bolt hole in the ignition coil assembly with the corresponding hole in the top of the engine. 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. The Ford 3.5 EB strikes an excellent balance of power, torque, towing capacity, and efficiency. Dave thanks for your reply and suggestions. You may also notice other performance issues, like slower acceleration than usual or a stalling engine while accelerating. Changed the crank sensor the other day as a precaution as the last two cars I have owned have needed crank sensors in mid to later life. How to Spot Carbon Buildup. In any case, the first generation EcoBoost produces 355-380 horsepower, depending on the vehicle. 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. 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. Now the symptoms are less noticeable there are no codes. Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum, 2006 F150 5.4 Sputtering - New thread CONDENSED. These are the most common symptoms of 2.0L EcoBoost coolant intrusion, but not all of them. The plugs have been used for no more the 2k miles. Has been a great explanation about the theme. The lawsuit alleges that the leaking of . what could be the cause of car engine running and stopping on the road? 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. Its plastic, so you dont want to pry on it or you may break it. So, as its intermittent and clears after 5 or 6 miles I'm continuing to drive it hoping some new clues will appear, its done about 2k miles since the last trip to the garage. Remove the engine oil filler cap, and remove the plastic engine cover by lifting up and pulling forward. Here are the 6 failures and what to look for. Hearing some funny sound underneath the engine. Although this is a very rare occurrence, it is critical to repair the timing chain promptly if problems arise. Changing transmission fluid usually takes care of torque shudder, Torque converter usually isn't bad, just needs new fluid. Carbon deposits should not pose a serious threat to the 3.5 EcoBoosts longevity. These cars are prone to misfires if the variable valve timing is malfunctioning. With the ignition coil out, you can remove the spark plug using a 5/8-inch spark plug socket, extension, and ratchet. On top of this, folks have to worry about fuel in the oil, and the cold start rattle (failed cam phasers that then stretch the timing chain). But how do you tell if your engine is misfiring, and what could be causing it? Additionally, they address a few reliability concerns, making the Ford 3.5 twin turbo engine from the second generation even more reliable. Older cars use a distributor to distribute the spark to all the spark plugs, which are powered by an ignition coil. If I need to take the car back as is I will invest in the FORScan system suggested above. 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. 3. The numbering of the cylinders on a Ford F150 starts from cylinder 1 on the front and goes backward. I changed my plugs and gapped them to the .028 and replaced the boots about a month ago. Ford 3.5L EcoBoost Problems - UnderhoodService Symptoms of 3.5L Ecoboost misfire are usually related to heavy carbon build-up on the ignition coil. However, Ford pioneered the use of turbochargers, direct injection, and variable valve timing. Check light blinking, car acceleration slow. Hi all, my 1.0 ecoboost has recently started to misfire or hesitate under light throttles. About two hours later, I burned rubber all the way down the on ramp to US-61. Tighten the plug in the clockwise direction with the 3/8 drive ratchet to just past hand tight. 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. You can expect a cost of $200 to $500 to fix a misfiring engine in most cases. @GARY MASSEY 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. Well also look at how to determine if your engine is misfiring and answer some common questions about misfires. There are always a few kinks to iron out, and they were relatively minor with the 3.5 V6. Copyright text 2021 by driveceladon.com. This has been done since 2011 to get these 3.5 ecoboosts to work better. The known common problems of the Ford 1.5 Ecoboost engine are: The Problem Of Overheating Has Been Exceeding. P0301 cold start misfire | Ford Mustang Ecoboost Forum We both feel that the the low range fuel pressure sensor reading a constant 5 volts is worth investigating, but as we can actually find a low pressure sensor (under the bonnet) we are none the wiser. In some cases, it can also lead to dangerous situations where the car stalls and becomes difficult to steer due to the loss of power steering. As a reminder, the Ford 1.6L timing belt should be serviced every ten years or 150,000 kilometers (whichever comes first). When symptoms exist and there are no codes, it becomes a little more difficult. The engine started fine and has been driving perfectly for over a week now. If misfires are occurring randomly, the check engine light may remain on. 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. In many ways, its the best of both worlds, as DI has numerous advantages over PI. Zain here Before we begin, lets jot down a few quick notes. This after they told me that the dealer and ford engineering thought it was a bad fuel injector . In worst case scenario, if the ignition coils are in really bad condition, the engine will not start. CursedBones 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. If your Scan Tool can give you access to Mode 6 Data then there may be some clues there. 8. No PCM codes so I'm using the car to see if anything changes or codes appear. If the problem occurs repeatedly, the engine control module will illuminate the check engine light to let you know that something is wrong so that you can have it repaired. The loom runs below this bracket and in my case there was a rusty stain on the loom. Time and the winter will tell. The engine from the second generation is used in the following models: With that background information out of the way, lets get to the point. Ford 1.5 EcoBoost Engine Problems: Reliability, Specs & Reviews This video may help. What else can I do??? This is why you HAVE TO DRILL the 1/16" intercooler weep hole. All of these parts are often very expensive to replace, so you want to make sure you do a proper diagnosis before replacing them. Having said that, well delve deeper into these 3.5 EcoBoost issues below. Received 31 Likes on 28 Posts. If either the distributor or the ignition coil creates a weak spark, it can cause misfires. Started Thursday at 09:49 AM, By Carefully lower the new spark plug down into the well. If the fuel injector injects the wrong amount of fuel, it will cause the engine to run rich or lean, which can lead to engine misfires. Check battery terminals are properly clamped and that the earth lead between the engine and chassis is good. Finally, when the timing chain stretches, it can throw off the ignition timing, resulting in drivability problems. 5 Symptoms of a Bad Oil Control Valve (VVT Solenoid) - Oards Automotive Hub Cookie Policy - 5. Learn more here: How to find a Vacuum Leak & How to Fix It (8 Easy Steps). Although the engine appears the same on my car there is no sensor on the low-pressure side fitted. A misfiring engine can be a serious problem that should be fixed as soon as possible. Terms of Service - This is fairly standard procedure for any engine, and the Ford 3.5L V6 is no exception. Its not recommended to drive with engine misfires. He shows location of low side pressure sensor (and goes through other common faults). These misfires often occur under load from the engine, such as when you accelerate quickly. As mentioned above, the ECM controls the engine timing, and air/fuel ratio. If you're located in Florida especially in Hollywood, i wanna meet you so i can get my car fixed for good. First check all ground connections are clean and tight. Started August 19, 2022, By I had an F150 and an Escape both do exactly these same things. While this is a common issue with the EcoBoost, it does not occur with every engine. Additionally, issues with the 3.5 EcoBoost timing chain guides, tensioner, and cam phasers occur. John, thanks for your reply. This detects failures over a period of 200 revolutions. If this gasket leaks, it will draw air into the combustion chamber, causing the air-fuel mixture to become too lean, and this can cause misfires. Every 10,000 miles, our twin turbocharged 335i with the N54 engine requires new spark plugs. To be fair to the Ford 5.0 Coyote engine, we believe the 3.5 EcoBoost is a clear choice if offered. What are your thoughts on the 3.5 EcoBoost? This includes misfires, power loss, and a rough idle, among other things. Fortunately, this is not a time-sensitive task that requires immediate attention, and you may not even want to do it at all. I bet that your actual problem is the spark plugs. Parts cannon loaded and ready -- Customers paying -- Fire at will !! Rev going down and vibrating when gear is engaged. 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:. It is important to start by reading the error codes to know where to start troubleshooting. F150 3.5L Ecoboost misfiring | Ford Forums If youre running a tune, making mods, or driving the 3.5 EcoBoost hard, the lifespan of the ignition components can be significantly reduced. On naturally aspirated engines, spark plugs frequently last over 70,000 miles, while ignition coils typically last about twice that. Under hard acceleration (i.e., boost) or at highway speeds, an intermittent stumble and misfire reportedly can occur during high humidity or damp conditions. Could it be a cv joint problem? Small bore plastic vacuum lines around the back of the engine have been removed and inspected, all look fine. To determine if you have low compression, remove the spark plugs. The dip is so fast the computed pressure in kPa doesn't mirror the raw voltage, but both their trends look noisy. You may also consider simply replacing the spark plugs. If I do, Ill update this page. If you find trouble codes on an engine sensor or low fuel pressure, youll want to start the diagnosis from there. This can lead to a variety of engine performance issues and can even lead to serious engine damage if left untreated. This is not a critical situation that requires immediate attention. Code says multiple misfire's . Another subject well delve into. Dirty filters/Fuel filter clogging. The check engine light is one of the most common symptoms of bad spark plugs. Here is a more detailed list of the most common cause of engine misfires: 1. If you cant find any problems on the spark side, its time to look at the air-fuel mixture. Matilda Magnetic build 2019 6.5' bed crew cab fx4 heavy tow.. Do Not Sell or Share My Personal Information. Those idiots told me I needed a new charge air cleaner, intercooler, possibly new turbochargers and whatever it was would be like $3000. If the timing chain completely fails, additional damage to the 3.5 EcoBoost engines is possible. The Latman Turbos lead to high cylinder pressures, which in return stress the entire ignition. TuningPro.co is owned and operated by 8020 Media. Good morning. If you do this, and change spark plugs every 30k miles, you will never have a misfire ever again. Hi guys If you are installing brand new plugs, tighten them until you feel the new crush washer collapse. This is not to say that the first generation engine is a bad engine by any means. Misfire All Cylinders On One Side Of Engine | Bank 1 Or 2 - YOUCANIC Always starts and idles perfectly, even passed its MOT. There are several misfire related trouble codes. . 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. The bracket was removed, and loom insulation damage was visible. We are very familiar with this coming from the BMW world. The 3.5 liter twin turbo V6 engine was then integrated into a variety of other Ford and Lincoln models over the next few years. Its best to diagnose and repair the issue as soon as possible. Removed all wires one at time, #2,3,4 all made engine want to stall when removed. Pasted as rich text. 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. You can also use an EVAP smoke machine to easily find vacuum leaks, but these are often quite expensive and probably not something most people have in their garages. Shops frequently charge between $400 and $600 for this service, so its not exactly inexpensive. All Rights Reserved. Zain. When an engine misfires, it can cause reduced fuel economy, engine damage, and a loss of power. You earlier indicated that your reservoir tank was "lowering as usual" or similar to that wording without me going back and checking. Ford 3.5 Ecoboost Engine Problems: Is The Engine Reliable?
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