Unexpected misfires, check engine light illuminations, rough idleall of these symptoms could indicate that your EcoBoost's timing belt needs to be replaced. Its a simple and inexpensive repair. These misfires often occur under load from the engine, such as when you accelerate quickly. Likes: 15. Ford F-150 Misfire Symptoms. Since the 3.5L Ecoboost in my Expedition has 79,000 miles on the original spark plugs, I decided to replace all (6) spark plugs with new ones. Specific information about the Ford 3.5 timing chain problems is scarce. However, it is entirely possible that this is simply because the F-150 is the most popular model equipped with the EcoBoost engine. Keep your Ford F150 truck running strong. 4 Most Common Ford 3.5 EcoBoost Engine Problems - Tuning Pro If youre experiencing misfires, heres an easy way to determine whether the problem is with the spark plug or coil. 2013 Ford Escape SEL AWD 2.0 Ecoboost Mileage 110,000 Hello! Update, car is back from the garage without a diagnosis. and you'll notice engine misfires, startle, and low millage. You can expect a cost of $200 to $500 to fix a misfiring engine in most cases. To missmy06 I havent seen a positive post out of you yet and Im sure any dealership would be happy to trade in your current truck for another 06 and down and probably the finances would not change so go for it. Here are some of the symptoms of a bad VCT solenoid: 1. More precisely, it appears to affect primarily 3.5 EcoBoost engines manufactured between 2010 and 2014. Automotive Performance, Tuning, & Modification. Received 31 Likes on 28 Posts. However, it is a much simpler job than changing the spark plugs. @GARY MASSEY Your previous content has been restored. Need some advice here, I have a 2015 F150 3.5 Ecoboost. My Toyota corolla 2009 cylinder 2 & 3 is misfiring. Often, spark plugs are to blame, as their lifespan is significantly shorter than that of ignition coils. The 3.5 EB comes in two distinct generations, which we will discuss briefly below. The most common code you will see is the P0300 code, along with a code like P030X. 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. I have a different engine to your one but for comparison my Low side pressure is normally around 400-450 Kpa. Condensation in the Intercooler. 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. Push in the red plastic lock tab to secure the power plug. This oil eventually cakes onto the intake valves as it travels through the intake tract. danielsan8787 If the problem comes from the drivetrain and not the engine, the CV joints or driveshafts are common causes. In the case of a misfire a P0300 (random or multiple cylinder misfire), or specific cylinder P0301-P0306 should have triggered. Tom Harbid. This is a lot of Ford and Lincoln EcoBoost engines. Modern cars have good monitoring systems for all the different car sensors on the engine. This has a detection period of 1000 engine . Did compression test and cylinders were 150, 150, 149, 149. Nonetheless, turbo technology has advanced significantly over the last few decades. Carbon tracking is where the spark fires between the top of the plug and the base, across the ceramic shell. A DIY solution to a water leak can have disastrous results. 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. However, you have some control over how well the twin turbo EcoBoost engine is maintained. About two hours later, I burned rubber all the way down the on ramp to US-61. Engine overheating (often triggering a P0217 engine code) Engine misfiring (especially on startup) Lack of acceleration. 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. 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). Later when I handed it over to the main dealer they changed the plugs again but no improvement. 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. they then suggested that I replace all plugs and boots and get an induction flush. A blown head gasket can cause low compression. If you are installing brand new plugs, tighten them until you feel the new crush washer collapse. If youre unlucky, it could be due to poor compression, which can be very expensive to repair. Additionally, Ford redesigned the timing chain in response to concerns about the previous designs reliability. Avoid over tightening the new spark plugs to prevent from stripping the aluminum threads. These are plastic components, so be careful that you dont break them. Ford F150: Bad ECM Symptoms + Diagnosis | Drivetrain Resource https://www.youtube.com/watch?v=0J83RZi3eCE, Hi thanks for your reply. Carbon build-up is simply a disadvantage of relying solely on direct injection. Started February 5, 2013, By General discussion on 2009 - 2014 Ford F150 truck. 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. It is not recommended to drive your car at all with a misfiring car engine. I used a flat blade screwdriver behind the coil to help wiggle it a little to get it out. The official Ford website can be found at http://www.ford.co.uk/, Fiesta 2013 1.0 Ecoboost misfire and or hesitation under light throttle. If you're located in Florida especially in Hollywood, i wanna meet you so i can get my car fixed for good. Started 3 hours ago, By The lawsuit alleges that the leaking of . To be honest, this is mostly here because weve run out of other topics to discuss regarding the 3.5 EcoBoost. 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. Common Ford 3.5L EcoBoost Engine Problems - Soulmate Twin Flame This video may help. Shops frequently charge between $400 and $600 for this service, so its not exactly inexpensive. Ford has also issued bulletins, indicating that they are fully aware of the timing chain issues. Additionally, the use of twin turbos provides an abundance of tuning potential for those looking to get the most out of their engines. Of course, the reliability of each 3.5 V6 engine is partially determined by luck of the draw. Ford, on the other hand, took it a step further by offering a 647hp variant of the legendary Ford GT. There are several misfire related trouble codes. Learn more here: How to find a Vacuum Leak & How to Fix It (8 Easy Steps). Zain. To refer to spark plugs and ignition coils as a issue is probably not accurate. Causes & How To Fix It. Line up the bolt hole in the ignition coil assembly with the corresponding hole in the top of the engine. NOTE CYFS-12-YT4 replaced the original CYFS-12-YT3 spark plug. P0303 definition: Cylinder 3 misfire detected. Zain from S.A, I have a bmw e30 320i 1989. The most common signs of bad ignition coils in Ford F-150 are engine hesitation when accelerating or loss of power, rough idle, misfires, excessive fuel consumption, check engine light illuminates, and sometimes hard starting. Fiesta 2013 1.0 Ecoboost misfire and or hesitation under light throttle The plugs should be fine, then. 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. I have not noticed any slack in the joint. More often than not, your engines computer will be able to detect bad spark plugs in your F150. Some F-150 owners have complained of a mysterious misfire on these engines. 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. Here are the 6 failures and what to look for. Started February 26, 2015, By If this does not work, repeat the procedure using the 3.5 EcoBoost spark plugs. I have to admit I'm pretty fed up and disappointed with the ecoboost. If you have a misfire trouble code on a specific cylinder, youll want to start by looking at the spark plugs and ignition coil on that cylinder. Ford F-150 bad ignition coils symptoms, causes, and diagnosis Hi all, my 1.0 ecoboost has recently started to misfire or hesitate under light throttles. This will be discussed in greater detail in the upcoming discussion of common 3.5L EcoBoost engine issues. I will definetly come back for more updates on how to solve car problems. Double check that the spark plugs are tight before moving on to the next steps. Check light blinking, car acceleration slow. Here is a look at (2) of the spark plugs that I removed. Turbos lead to high cylinder pressures, which in return stress the entire ignition. Youll have to push down on the gray tab to get the plug to connect from the coil. 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? Symptoms of a spark plug or ignition coil on the verge of failure include the following: Typically, plugs and coils exhibit the same symptoms. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. However, Ford pioneered the use of turbochargers, direct injection, and variable valve timing. Hearing some funny sound underneath the engine. or my ECU ? There are also many vacuum lines on the intake manifold that can leak, giving the same symptoms as a bad intake manifold gasket. Get at least 20% off selected Ford parts on eBay View parts on eBay now! The check engine light is one of the most common symptoms of bad spark plugs. I hope you enjoyed this article and now have the expertise to diagnose engine problems like misfires and fix the problem with your car yourself to save some money. Ford F-150 3.5L Ecoboost Repeat Engine Misfires: Diagnostic - YouTube Therefore, if you have checked the basics, it may be worth taking your car to a qualified mechanic for expert advice. Rotate the ignition coil back and forth a few times to help spread the dielectric grease. Yeah the misfire is only on cylinder 4 according to the AP and about 2 weeks ago it began. Cylinder 4 misfires. | Page 2 | Ford Mustang Ecoboost Forum in both cases, the engines were significantly under the mileage recommendation to replace the spark plugs. If you suspect that your engine is misfiring, it is important to take care of the problem as soon as possible. We typically recommend replacing all six spark plugs or ignition coils at the same time; this is especially true if they havent been changed in a while. Changing transmission fluid usually takes care of torque shudder, Torque converter usually isn't bad, just needs new fluid. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. Those idiots told me I needed a new charge air cleaner, intercooler, possibly new turbochargers and whatever it was would be like $3000. You also want to ensure that the engines compression is correct, so you must do a compression test on all cylinders. It accuses Ford of selling cars with cracked heads, seals not sealing, and catastrophic engine failures. If you have any of these symptoms, it could mean the camshaft position sensor needs to . As a reminder, the Ford 1.6L timing belt should be serviced every ten years or 150,000 kilometers (whichever comes first). If you cant find any problems on the spark side, its time to look at the air-fuel mixture. 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. Spark plugs are gapped to .30 and SP-580. If you have an account, sign in now to post with your account. I had an F150 and an Escape both do exactly these same things. Although the engine appears the same on my car there is no sensor on the low-pressure side fitted. FORScan can access Mode 6 but I don't know what TID's are available for your car. Regardless, we would want to complete the job. I have a 2003 BMW 745i 7 series. Carbon build-up is primarily an issue with first-generation engines. Well also look at how to determine if your engine is misfiring and answer some common questions about misfires. Having said that, well delve deeper into these 3.5 EcoBoost issues below. Ive been driving the Expedition for a month now with the new plugs, and havent received a misfire code. In addition, the check engine light may also be on if misfires are specific to a particular cylinder. I have a problem with my Opel Monza GSI fuel injection 1.6 car only revs up to 3000 then back fires and the engine light comes on we change the fuel pump but still nothing any help please, Hi I have a ford cortina 2l i fit al new parts coil carburetor sparkplugs plugwers dustubetor points condensor and suer of timming slil cant start please can somebody tell me what to do. Glenn hastie Attacking no-code misfires | Vehicle Service Pros If you get a vehicle in that is not generating enough boost, don't automatically assume it is the . The car has now been back an forward to a Ford main dealer over the last two weeks and they are stumped. Carbon deposits should not pose a serious threat to the 3.5 EcoBoosts longevity. If youre running a tune, making mods, or driving the 3.5 EcoBoost hard, the lifespan of the ignition components can be significantly reduced. May 9, 2021. Copyright text 2021 by driveceladon.com. 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. 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. 3. . Finally, when the timing chain stretches, it can throw off the ignition timing, resulting in drivability problems. What are your thoughts on the 3.5 EcoBoost? Engine misfires can actually be quite difficult to diagnose even for us experts in the field. Symptoms And Diagnosing A Failed Or Clogged Fuel Injector - MotorTrend Symptoms of 3.5L Ecoboost misfire are usually related to heavy carbon build-up on the ignition coil. The Ford 3.5 EB strikes an excellent balance of power, torque, towing capacity, and efficiency. This is what causes the misfire. Your link has been automatically embedded. Started February 26, By Not sure how to test injectors. Blog : Stratified Automotive Controls 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. Is there any cheap way to improve compression or get rid of the code? This is not a critical situation that requires immediate attention. In order to get to the #5 and #6 spark plug, youll have to unplug the harness connector on the injection pump. Push a new spark plug into the spark plug socket. Curing Intercooler Condensation And Oiling Issues - Tomorrows Technician Start the engine and listen closely for any strange sounds that might indicate a problem such as a loose spark plug or a disconnected electrical connector. It also causes the plug to misfire. Worst pressure condition in the cylinder. At 96,000 Miles. I don't know what Scan Tool you are using but FORScan is your best bet for Live Data on any Ford car. Ford 1.6 Inline-4 Timing Belt Change. If your vehicle is no longer under warranty and you experience timing chain issues, you may be able to work with Ford. Ford 2.7 EcoBoost Now Problematic. Jan 23, 2021. ouguru said: 2011 F150 FX4 with 3.5L Ecoboost developed a severe misfire at 65k miles. My caddy 1.6 carb had still misfired after changing coil, boggy cords, plugs, distributor cap, rotor and some fuel lines. If you dont know when you last changed the spark plugs, you need to check your service manual and replace them if necessary. Clues so far is that it doesn't like colder temperatures e.g. But how do you tell if your engine is misfiring, and what could be causing it? Connect a fuel pressure gauge to the fuel rail and start the engine. 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. As a result, the cylinders of the 2.7 EcoBoost may experience inconsistent air delivery due to restricted airflow. 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. data shows primarily cylinder five misfiring. Turbo engines require more maintenance than the average engine. Timing chain replacement is likely to cost in the thousands of dollars range. The most common cause of an engine misfire is a bad or failing ignition coil. When an engine misfires, it can cause reduced fuel economy, engine damage, and a loss of power. What Are The Symptoms Of Engine Misfires? If you notice that it vibrates more than usual, it could be a sign that the engine is misfiring. Started Thursday at 09:49 AM, By Ford 2.7 EcoBoost Now Problematic This identifies the root cause as the Charge Air Cooler/CAC when it . It may stall, and not be able to start again, until you turn the ignition all the way off and back on again. Again, be careful that you dont apply to much force and break the plug. 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. Earlier generations of gen 1 engines encountered issues with timing chain failure and carbon buildup. If any of these are missing or incorrect, the cylinder combustion will not be done correctly, and no power will be created. To fix engine misfires, you need to read the trouble codes from the engine control module and continue troubleshooting from there. 6. 5. P0301 cold start misfire | Ford Mustang Ecoboost Forum 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. 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. With the retaining the ignition coil plug unplugged and the retaining bolt removed, you can now pull the coil straight out of the hole. This detects failures over a period of 200 revolutions. Started 4 hours ago, By Ecoboost Misfire Solution! - Ford F150 Forum The updates aid in the support of increased power and torque. Please register or login to enable Dark Mode. This revealed a short circuit to earth for one of the HP fuel rail sensor wires. Rather than that, they are a few of the most frequently encountered issues when something goes wrong. Pretty common to have a misfire on these motors on cold start. Hi Iam driving corsa 1.6 gsi 2002 model, the engine it's got hard start and badly sound idling, need to be rev for idling, when I leave rev cable, the engine loose the idling gose off, again on the spark plugs no1 and no2 there's spark but doesn't ignit the fuel mixer, I don't know what's problem. I would like to congratulate you on the simple way of explaining this article on misfire troubleshooting. SMaxJohnni This is why you HAVE TO DRILL the 1/16" intercooler weep hole. Fortunately, a set of six Ford 3.5 spark plugs typically costs between $40 and $100, depending on the source. However, finding these vacuum leaks is often quite easy and we will talk about that further down in the article. We used Mitchell 1 to look up the information for setting a P0300. Had a slight misfire so I changed Spark Plugs and Coils. However, this problem still pops up from time to time in the Ford 3.5 Ecoboost engine upgrades. 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 . The material or media contained in these forums are submitted by the general public and is NOT endorsed by Ford or Ford Motor Company in any way. 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. Smoke Can Indicate Danger For You. Getting good spark. Well discuss some of the most common issues with the Ford 3.5 EcoBoost V6 in this article, as well as its overall reliability. Jun 30, 2021. Its a simple task that almost anyone can complete in less than an hour or two in their driveway. However, numerous other factors can cause rattle. 2.7 EcoBoost stumble on highway acceleration - F150 Forum Declan19971 I did the thottle position sensor reset procedure and that helped for about 2 days. Then, clear the codes and drive for a while to see if the problem has moved to another cylinder. Drop In Engine Power: . Fortunately, this is not a time-sensitive task that requires immediate attention, and you may not even want to do it at all. Overfill Engine Oil Symptoms - How to Fix It? - Rx Mechanic 036 inch, the old ones were less than the specification gap. Dave thanks for your reply and suggestions. 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? Vacuum leaks are a common cause of an incorrect air-fuel mixture and are fairly easy to check, so you want to start there. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Ford F150 Forum - Community of Ford Truck Fans. Inject not getting fuel , so cylinder does not fire , so get misfire code. I used a small screwdriver to press down on it as I slid the plug off. Any no improvement. 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.. Therefore, if you notice that your car engine idles rougher than usual, it could be a sign of a misfiring engine. 2015 ECO 3.5 Misfire-Tried everything, I think. - F150 Forum 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. Hi guys 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. The most common causes of engine misfires are bad ignition coils or failed spark plugs. PDF TECHNICAL SERVICE BULLETIN 20- 3.5L EcoBoost - Cold Start Ticking Walnut blasting should be performed every 70,000 to 100,000 miles as preventative maintenance. As for these Ford 3.5 EcoBoost, problems result from the engine using a direct injection fuel system and being twin turbo. Remove the engine oil filler cap, and remove the plastic engine cover by lifting up and pulling forward. NQbbe 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.