My 1997 Sebring run good , as long as I stay under 65 . Truck ran pretty good even picked up about 1.5 mpg, then the last couple of weeks it has become a tired dog. Spark plugs for stock 3.5 EcoBoost engines will likely need to be replaced every 40,000 to 60,000 miles. Under hard acceleration (i.e., boost) or at highway speeds, an intermittent stumble and misfire reportedly can occur during high humidity or damp conditions. Replacing the timing chain and other critical components is not a simple or inexpensive task. It can also be caused by fuel-related issues such as a faulty fuel injector or a bad fuel pump. It gains 375-450 horsepower in the majority of models. However, you have some control over how well the twin turbo EcoBoost engine is maintained. 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. . @RichBrew has been through this already with the same symptoms as @Cmw458 and I. Don't take this lightly for too long and/or pass it off as carbon build up. Learn more here: How to find a Vacuum Leak & How to Fix It (8 Easy Steps). Started February 26, By Manage Preferences - Is it in the fuel tank as part of the pump module? Take care of the 3.5 EcoBoost and it will almost certainly reward you with a pleasant, reliable driving experience. Anyone changed a PCM for a second hand unit, can ForScan do the setup and or reprograming? It is important to start by reading the error codes to know where to start troubleshooting. You can also open the hood of your car and watch the engine idle. Ignition coils should last approximately twice as long. Two of the issues listed above may not even be considered issues. This identifies the root cause as the Charge Air Cooler/CAC when it . The engine misfires, resulting in rough idling, stuttering, and fault codes. 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. runs rough, no white smoke, no water in oil. 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. The 3.5 EB comes in two distinct generations, which we will discuss briefly below. I got my Polo 6 TSI 2010 Year model, im very suprisingly without any notice while driving multiples of warning light poped up on the dashboard namely ' ENGINE CHECK ,ABS, EPC, ESP and on a suden the idle of engine have changed, as I try to accelerate i feel engine like jerking , what could cause these and how will fix it??. The car wont rev up over 3000revs per min.could iit b a bad ignition coil. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. Were the loom turns behind the engine there is a metal bracket which supports the connectors to the two oxygen sensors. If your engine is misfiring, it's important to determine the cause as soon as possible. 2013 Ford Escape SEL AWD 2.0 Ecoboost Mileage 110,000 Hello! For complete cylinder combustion to occur, the engine needs three important things, and that is the correct air/fuel mixture, compression, and spark. 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. Changing transmission fluid usually takes care of torque shudder, Torque converter usually isn't bad, just needs new fluid. I have looked at the video and that's exactly as I would expect to find it. Ford 2.7 EcoBoost Spark Plug & Ignition Coil Symptoms. Certain DI engines can even run their entire lives without any valve cleaning. 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. 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. 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. I have done plugs and coils as well, even new throttle body. 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. I have to admit I'm pretty fed up and disappointed with the ecoboost. On Friday they proposed and fitted a new in tank fuel pump but still in improvement. Failure of any of these sensors can cause an incorrect air-fuel mixture to enter the engine, which can cause the engine to misfire. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. Ford enhanced the component before redesigning it for the second generation 3.5L twin turbo V6. Its a powerful engine with 355 to 647 hp and plenty of torque. Magnus is the owner and main author of Mechanicbase. The most common situation where you will feel misfires is in high gear, low RPM, and with the gas pedal to the floor. Bad Ignition Coil. Engine misfires can actually be quite difficult to diagnose even for us experts in the field. This will be discussed in greater detail in the upcoming discussion of common 3.5L EcoBoost engine issues. Therefore, the first thing you want to do when diagnosing misfires is to check the trouble codes with an OBD2 scanner. This messes the air-fuel mixture causing the Ecoboost to misfire on your Ford F150. As mentioned above, the ECM controls the engine timing, and air/fuel ratio. My 2004 skoda octavia 1800 petrol turbo 20 valve engine is misfiring ive had it on dinostic and nothing is showing up its worse in the morning when started up struggling to tick over have you any idea what it could be please. . Often, it is simply normal wear and tear, but early problems are possible. In addition to removing the injectors other items including air ducts, air box, filter MAF, battery, PCM and battery box were removed to help further inspect the wiring loom. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better. I bet that your actual problem is the spark plugs. I had an F150 and an Escape both do exactly these same things. Starting at the PCM, centimetre by centimetre the loom was inspected for clues. Smoke Can Indicate Danger For You. 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. Ecoboost 1.0 - Difference Between 100Hp And 125Hp Version ? We are very familiar with this coming from the BMW world. Remove the plug on the ignition coil of the cylinder youre working on. Carbon deposits accumulate over time and obstruct airflow into the cylinders. I've pulled the injectors and sent them for cleaning and testing, will report back results. Fortunately, a set of six Ford 3.5 spark plugs typically costs between $40 and $100, depending on the source. Remove the engine oil filler cap, and remove the plastic engine cover by lifting up and pulling forward. Yeah the misfire is only on cylinder 4 according to the AP and about 2 weeks ago it began. 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. Started 4 hours ago, By By The problem is variable and intermittent but looks to be the same using both the original and a spare fuel rail pressure sensor. I used a flat blade screwdriver behind the coil to help wiggle it a little to get it out. 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. You may or may not be able to monitor High and Low side Fuel Pressure readings, actual and desired. New plugs areNGK Spark Plug SILZNAR8C7H (93593) same NGK part number as the originals. Many faulty 3.5 EcoBoost timing chains, on the other hand, were almost certainly replaced at some point. . So the car in now at a local garage and they are struggling as well. This includes misfires, power loss, and a rough idle, among other things. Fuel related . Additionally, the use of twin turbos provides an abundance of tuning potential for those looking to get the most out of their engines. If not maintained, it could mean sending the car to the junkyard sooner . Another possible problem that can cause misfire fault codes on only one side is low compression. Regards 1. Faulty plugs. You may also notice that the engine does not sound like it used to, and that your car has reduced power and fuel efficiency. This will give you important information. The known common problems of the Ford 1.5 Ecoboost engine are: The Problem Of Overheating Has Been Exceeding. 00:00 / 00:00. This includes misfires, power loss, and a rough idle, among other things. Is this possible ? Additionally, turbocharged engines, such as the Ford 3.5 EcoBoost, have more components that could fail. 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. The engine started fine and has been driving perfectly for over a week now. 3. MAF and air filter look to be clean and dry. 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. There is a red locking tab on the plug: Slide the red tab back to unlock the plug. [FIXED] 2011 f-150 3.5l GTDI misfire under load was created by ptebo1. Push a new spark plug into the spark plug socket. 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. Did you fit standard OEM? Manage Preferences - Upload or insert images from URL. At this point I decided to just change the spark plugs. Birdzini Although the engine appears the same on my car there is no sensor on the low-pressure side fitted. The engine in modern cars uses many sensors to measure everything in the engine to make them as efficient as possible. FORScan can access Mode 6 but I don't know what TID's are available for your car. March 10, 2022 in General Ford Related Discussions. Here is a more detailed list of the most common cause of engine misfires: 1. Small bore plastic vacuum lines around the back of the engine have been removed and inspected, all look fine. Hi all, my 1.0 ecoboost has recently started to misfire or hesitate under light throttles. I did not find any evidence of carbon tracking on the plugs I removed. To protect yourself, here are the tried and true methods: Remember, the root cause of ecoboost misfire is the condensate buildup from the intercooler. SMaxJohnni The carbon deposits can cause un-even amounts of air to enter to cylinders. Otherwise, its primarily labor associated with gaining access to the intake ports. what could be the cause of car engine running and stopping on the road? 036 inch, the old ones were less than the specification gap. On the 2.7L EcoBoost expect to replace spark plugs at around 40,000 to 60,000 miles. A design defect allows coolant to leak into the cylinders of the 1.5L, 16L, and 2.0L EcoBoost engine. Up Next: Ford 1.5 EcoBoost Engine Problems: The 4 Most Common Problems. Jun 30, 2021. On naturally aspirated engines, spark plugs frequently last over 70,000 miles, while ignition coils typically last about twice that. I have a different engine to your one but for comparison my Low side pressure is normally around 400-450 Kpa. Insulation and wiring loom made good, bracket modified to keep clear, injectors refitted and all other parts. This contributes to the prevention of carbon build-up, which we will discuss later in this article. In some cases, the escaping boost pressure can be heard. Carbon deposits should not pose a serious threat to the 3.5 EcoBoosts longevity. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. Anyone know what thelow range fuel pressure sensor reading 5 volts is telling us? Symptoms of 3.5L Ecoboost misfire are usually related to heavy carbon build-up on the ignition coil. To determine if you have low compression, remove the spark plugs. Having said that, well delve deeper into these 3.5 EcoBoost issues below. If your Scan Tool can give you access to Mode 6 Data then there may be some clues there. Zain here 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. Symptoms The signs of a leaking turbocharger system start with a lack of power or random misfires. John, thanks for your reply. Ford 2.7 EcoBoost Now Problematic. The low side fuel line appears to be plastic and has a small, sealed device, possibly a damper, no connections or wiring for a sensor, must be a model or year variant. Due to the high turbo boost pressures, spark plugs and ignition coils are subjected to significant abuse. 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. Compare the results with the manufacturers specifications, and if the compression is low on a cylinder, you need to inspect the engine parts such as the timing belt, piston rings, valves, or pistons. . This can lead to a variety of engine performance issues and can even lead to serious engine damage if left untreated. When an engine misfires, it can cause reduced fuel economy, engine damage, and a loss of power. Ignition coils have a life expectancy of 25,000 miles if were lucky. But how do you tell if your engine is misfiring, and what could be causing it? Time and the winter will tell. Symptoms of a spark plug or ignition coil on the verge of failure include the following: Typically, plugs and coils exhibit the same symptoms. Rough acceleration is a typical sign that your engine is misfiring. If you have an account, sign in now to post with your account. 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? 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. Symptoms of excess carbon build-up on the 3.5 EcoBoost intake valves and ports include: Misfires; Rough idle; Stuttering / hesitation; Power loss; Most of these symptoms are a by-product of the first symptom at hand - misfires. When I got home I scanned the truck for trouble codes, and discovered these codes: P0300 (Random/Multiple Cylinder Misfire Detected). Also make sure that the correct viscosity of oil was put in as the wrong "weight" of oil can make the VVT malfunction. Your link has been automatically embedded. 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. As for these Ford 3.5 EcoBoost, problems result from the engine using a direct injection fuel system and being twin turbo. Ford EcoBoost engines deliver exceptional performance, torque, fuel economy, and towing capacity. In rare cases, it can also happen because of low engine compression. This detects failures over a period of 200 revolutions. Symptoms of 2.0L EcoBoost Coolant Intrusion. Received 31 Likes on 28 Posts. In worst case scenario, if the ignition coils are in really bad condition, the engine will not start. Or are there two circuits in the fuel rail pressure sensor? Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. For the F150 I asked a Ford dealer in Minnesota to diagnose it. Woww wow wow great article! 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. (6) Motorcraft SP-580 (CYFS-12-YT4) spark plugs. At 96,000 Miles. Simply because these issues are classified as common does not mean they affect a large percentage of 3.5 V6 engines. Best regards, Even if the repair is not covered under warranty, you may be able to negotiate a discount or other form of compensation with Ford. The socket should have a rubber insert or a strong magnet to securely hold the plug in place. At 96,000 Miles. If I do, Ill update this page. Rotate the ignition coil back and forth a few times to help spread the dielectric grease. I wouldnt have thought a UK dealer would make the same mistake but Im almost sure they did. However, it is entirely possible that this is simply because the F-150 is the most popular model equipped with the EcoBoost engine. 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. Remove the dipstick and place it on the clean rag to avoid contaminating dirt and debris. 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? NOTE CYFS-12-YT4 replaced the original CYFS-12-YT3 spark plug. Was told it might be the fuel sending unit . 1. Turbos lead to high cylinder pressures, which in return stress the entire ignition. 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. Now invested in FORScan and cable suggested above so will dig a bit further over the next few days, any suggestions on which variables to monitor? If your car engine is misfiring, it is important to find out the cause and fix it as soon as possible. The truck is setting p0302 and p0305 under heavy acceleration. 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. How long can you drive with a misfiring engine? Leave a comment and inform us! We have both independently looked for a low pressure fuel sensor but can't find one, other fords have low pressure sensors near the inlet to the HP fuel pump but this car only has a fuel pressure damper. When it reaches normal speed it quit shaking. 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. The injectors are installed Under valve cover and to get to them the plenum and intake manifold needs to be removed. The worst condition of exhaust and converters. TuningPro.co is owned and operated by 8020 Media. Carefully lower the new spark plug down into the well. These misfires often occur under load from the engine, such as when you accelerate quickly. 2. I do see codeB10EA from the positive temperature coefficient heater sometimes but have assumed that cant be related. Speechless. You can post now and register later. 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 . This is fairly standard procedure for any engine, and the Ford 3.5L V6 is no exception. How to Spot Carbon Buildup. If you "tune" this engine expect to replace spark plugs every 10,000 miles. RELATED: 8 Causes of Low Compression in a Car Engine (& How to Fix). Continuing to drive with a misfiring engine can cause serious damage to your cars engine. If the problem comes from the drivetrain and not the engine, the CV joints or driveshafts are common causes. While this is a common issue with the EcoBoost, it does not occur with every engine. Yes it sounds like lean mixture caused by either low fuel pressure or vacuum/boost leak. Early EcoBoost engines were also known to catch on fire, leading to a 2012 recall and "stop driving" order from Ford. If you dont know when you last changed the spark plugs, you need to check your service manual and replace them if necessary. You may also notice other performance issues, like slower acceleration than usual or a stalling engine while accelerating. 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. Its time consuming and the component costs can add up. Leakage and excessive fuel burn. If you suspect that your engine is misfiring, it is important to take care of the problem as soon as possible. You can expect a cost of $200 to $500 to fix a misfiring engine in most cases. Started 2 hours ago, By It does sound like it is running lean, it's strange that there are not codes all the time. Started February 20, By Started February 5, 2013, By Castrol Edge vs. Mobil 1 Oil: Differences & Which Is Better? 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. Here's my top pick motor oil for the Ford EcoBoost cyclone engine. I have a 2012 ford focus we just put a new ,used engine in it when I got it back the ck engine light was on we replaced the o2 sensor,then came the cylinder 1 misfire,changed out spark plug and coil still has the same code ??? This misfiring of the Ecoboost leads to rough idling, stuttering, and fault codes. 5. In any case, the issue at hand is one of timing chain stretching. The advantage of port injection is that fuel is washed over the intake ports and valves. The second most common cause of a misfiring engine is bad or failing spark plugs. However, using PI has a few additional benefits, most notably assisting in the prevention of carbon build-up. 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. 1. Remove the engine oil filler cap, and remove the plastic engine cover by lifting up and pulling forward. Ford F-150 Misfire Symptoms. The misfire code will indicate that something is not right with the engine. 9. It is one of the variables over which we have no control. Aside from an oil extractor pump, you need a container to pour the excess oil, a clean rag, and a pair of gloves. I would start with checking for any leaks around the intake and connect a fuel pressure gauge if possible! UPDATED: I have had an issue since I purchased the truck 10 months ago. This is what causes the misfire. How Much Does It Cost to Fix Engine Misfires? Most likely, you will be unaware of a gradual loss of power over a period of several years. Certified Automotive Diagnostic Technician. 97 Toyota 4Runner 2.7 engine. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. There is a red locking tab on the plug: Thank you for your help. Hi guys Its a simple and inexpensive repair. With the ignition coil out, you can remove the spark plug using a 5/8-inch spark plug socket, extension, and ratchet. 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. 165k miles #1 cyl misfire code. It accuses Ford of selling cars with cracked heads, seals not sealing, and catastrophic engine failures. Still #1 misfire. I finally adjusted the float screw anti clock wise and my problem was solved. Cookie Policy - As a reminder, the Ford 1.6L timing belt should be serviced every ten years or 150,000 kilometers (whichever comes first). Best regards, Hi Mr. Selln I'd get rid of this truck if I could but the timing just isn't right. in both cases, the engines were significantly under the mileage recommendation to replace the spark plugs. 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. Line up the bolt hole in the ignition coil assembly with the corresponding hole in the top of the engine. The next thing you want to check is the fuel pressure. Reinstall the injection pump cover, the engine cover, and the oil cap. If you notice that it vibrates more than usual, it could be a sign that the engine is misfiring. Fuel related misfires can be caused from bad fuel. Before delving into 3.5 EcoBoost problems, its necessary to establish some context. Change the oil on time, use high-quality oils, and address issues as they arise. 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. It is, however, inherent in owning a twin turbo, direct injected engine. Only history I have is the truck has had all six ignition coils replaced . Rev going down and vibrating when gear is engaged. Low coolant levels can lead to the engine overheating, misfiring, or catching on fire. Every 10,000 miles, our twin turbocharged 335i with the N54 engine requires new spark plugs. Is there any cheap way to improve compression or get rid of the code? Started Thursday at 09:54 PM, By Unexpected misfires, check engine light illuminations, rough idleall of these symptoms could indicate that your EcoBoost's timing belt needs to be replaced. Spark Plugs And Ignition Coils Issues. Carbon buildup, on the other hand, can result in power loss and a variety of other drivability issues. You can either get one yourself, or go to a mechanic and borrow their diagnostic tool to read the trouble codes from the ECM. Started 4 hours ago, By Getting good spark. Terms of Service - If you lose power while driving on a busy road, this is a safety hazard. Misfires can cause serious damage to your engines internal parts and the catalytic converter, which can be very costly to repair. Keep your Ford F150 truck running strong. Contact Us - Started Thursday at 09:49 AM, By Pretty common to have a misfire on these motors on cold start. Additionally, Ford did an excellent job with the second-generation 3.5 EcoBoost in addressing some of the issues. This is why you HAVE TO DRILL the 1/16" intercooler weep hole. 3. Paul 56 I have a 2014 chrysler town and country van 3.6 engine number 3 cylinder misfire changed coils, spark plugs ,fuel injectors compression 130 # wires good to and from injectors good,ohlms across injectors,air filter good, intake gasket good added heat to gas tank. First check all ground connections are clean and tight. If your car's check engine lights come on and stay on, more than likely the camshaft sensor is bad. Started 5 hours ago, By Ryan jones The most common code you will see is the P0300 code, along with a code like P030X. Jan 23, 2021. ouguru said: 2011 F150 FX4 with 3.5L Ecoboost developed a severe misfire at 65k miles.