The engine started fine and has been driving perfectly for over a week now. I had a hard time describing what it was, but now this is the clearest description of . All Rights Reserved. Thanks for the great information passed on. You can also open the hood of your car and watch the engine idle. Terms of Service - If you see a blinking or flashing check engine light, thats another strong sign that your engine is misfiring. The last number represents the cylinder that is having the misfire. 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. In some cases, the escaping boost pressure can be heard. Its time consuming and the component costs can add up. All of these parts are often very expensive to replace, so you want to make sure you do a proper diagnosis before replacing them. 3. Received 31 Likes on 28 Posts. 2.7 EcoBoost stumble on highway acceleration. Ford EcoBoost engines deliver exceptional performance, torque, fuel economy, and towing capacity. However, numerous other factors can cause rattle. Spark plugs were normal, except #1 as it was slightly oily/wet after cleaning with wire brush and reinstalling and restarting for about 10 minutes. But, if the wastegate or bypass valves are leaking, you might not hear any noise. Ford 3.5L EcoBoost Problems - UnderhoodService Yes. Checked all the ground connections I could find, they all looked good. If your car engine is misfiring, it is important to find out the cause and fix it as soon as 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. Carbon build-up is simply a disadvantage of relying solely on direct injection. @GARY MASSEY If the problem comes from the drivetrain and not the engine, the CV joints or driveshafts are common causes. Paul 56 If you get a vehicle in that is not generating enough boost, don't automatically assume it is the . 3.5 EcoBoost Problems: Problems, Costs And Big Recalls - Motor Verso Nonetheless, turbo technology has advanced significantly over the last few decades. Hi guys This is not to say that the first generation engine is a bad engine by any means. Before delving into 3.5 EcoBoost problems, its necessary to establish some context. While this is a common issue with the EcoBoost, it does not occur with every engine. This will give you important information. Those idiots told me I needed a new charge air cleaner, intercooler, possibly new turbochargers and whatever it was would be like $3000. what could be the cause of car engine running and stopping on the road? Has been a great explanation about the theme. 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. Rotate the ignition coil back and forth a few times to help spread the dielectric grease. Can a cam sensor make it miss fire on one cyl. Certified Automotive Diagnostic Technician. Older cars use a distributor to distribute the spark to all the spark plugs, which are powered by an ignition coil. 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. [FIXED] 2011 f-150 3.5l GTDI misfire under load was created by ptebo1. Ive been driving the Expedition for a month now with the new plugs, and havent received a misfire code. SMaxJohnni Started 4 hours ago, By At 96,000 Miles. 4) Poor Engine Performance. When it reaches normal speed it quit shaking. That being said a few things to watch out for. Paste as plain text instead, My 1997 Sebring run good , as long as I stay under 65 . 5 Symptoms of a Bad Oil Control Valve (VVT Solenoid) - Oards Automotive Hub RELATED: 8 Causes of Low Compression in a Car Engine (& How to Fix). Manage Preferences - Small bore plastic vacuum lines around the back of the engine have been removed and inspected, all look fine. This is why you HAVE TO DRILL the 1/16" intercooler weep hole. I have done plugs and coils as well, even new throttle body. 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. 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. 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. It does sound like it is running lean, it's strange that there are not codes all the time. Were the loom turns behind the engine there is a metal bracket which supports the connectors to the two oxygen sensors. These misfires often occur under load from the engine, such as when you accelerate quickly. Ford 2.7 EcoBoost Engine Problems - Ricks Free Auto Repair Advice The second most common cause of a misfiring engine is bad or failing spark plugs. The wideband front O2 sensor should show a Current of 0 most of the time under constant or no Throttle openings. 2013 Ford Escape - Turbo failure - Car Talk Community Car wont move after CV Joint replacement. You cannot paste images directly. Symptoms of 2.0L EcoBoost Coolant Intrusion. but I don't feel or hear any misses . Another possible problem that can cause misfire fault codes on only one side is low compression. Causes & How To Fix It. Starting at the PCM, centimetre by centimetre the loom was inspected for clues. Symptoms of a Bad or Failing Camshaft Position Sensor Did you fit standard OEM? The engine in modern cars uses many sensors to measure everything in the engine to make them as efficient as possible. Started 8 hours ago, By To fix engine misfires, you need to read the trouble codes from the engine control module and continue troubleshooting from there. While the 3.5 EcoBoost is an excellent engine in general, no engine is perfect, and this is true here. 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. The carbon build-up causes uneven combustion, and it messes up the air-fuel mixture. The updates aid in the support of increased power and torque. If you have an account, sign in now to post with your account. Ford, on the other hand, took it a step further by offering a 647hp variant of the legendary Ford GT. Ford 3.5 Ecoboost Engine Problems: Is The Engine Reliable? 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. 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. 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? This is fairly standard procedure for any engine, and the Ford 3.5L V6 is no exception. Aug 11, 2020. Due to the high turbo boost pressures, spark plugs and ignition coils are subjected to significant abuse. Check battery terminals are properly clamped and that the earth lead between the engine and chassis is good. 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. Although we adore the 3.5 EcoBoost, no engine is perfect. Otherwise, its worth noting that turbo engines can be a little more difficult to maintain. 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. I wouldnt have thought a UK dealer would make the same mistake but Im almost sure they did. Misfire Help P0300 P0301 P0302 P0303 P0304 P0305 P0306 Re: 2011 f150 ecoboost misfire p0301. 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). Even if the repair is not covered under warranty, you may be able to negotiate a discount or other form of compensation with Ford. 5. What Happens When Cam Phasers Go Bad - It's Bad! - Car Mod Nerd The most common causes of engine misfires are bad ignition coils or failed spark plugs. Timing chain replacement is likely to cost in the thousands of dollars range. Hi guys. Engine overheating (often triggering a P0217 engine code) Engine misfiring (especially on startup) Lack of acceleration. Here we will look at what you need to know about engine misfires. If this does not work, repeat the procedure using the 3.5 EcoBoost spark plugs. These are typically urgent issues that should be addressed immediately. Many faulty 3.5 EcoBoost timing chains, on the other hand, were almost certainly replaced at some point. I am debating on whether to go with another oem turbo or get an aftermarket higher performance turbo. If it is too high or too low, you need to inspect the components of the fuel system such as the fuel pump, fuel filter, and fuel pressure regulator. I used a small screwdriver to press down on it as I slid the plug off. If youre running a tune, making mods, or driving the 3.5 EcoBoost hard, the lifespan of the ignition components can be significantly reduced. or my ECU ? 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. Save my name, email, and website in this browser for the next time I comment. The misfire can come or go depending on what is going on with the ECM. It also causes the plug to misfire. Rev going down and vibrating when gear is engaged. Some of the most common causes of engine misfires are bad spark plugs or a bad ignition coil, which can be relatively cheap to repair. For the F150 I asked a Ford dealer in Minnesota to diagnose it. Connect a fuel pressure gauge to the fuel rail and start the engine. Fortunately, a set of six Ford 3.5 spark plugs typically costs between $40 and $100, depending on the source. This is a lot of Ford and Lincoln EcoBoost engines. Ford also added port injection to the second-generation 3.5-liter V6 twin turbo engines. 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. Its critical to establish this for a reason. Parts cannon loaded and ready -- Customers paying -- Fire at will !! This makes the 3.5 EB an excellent engine for towing and fun around town without requiring full use of the engines RPM range. Check light blinking, car acceleration slow. 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. The dielectric grease will help seal out any moisture, dust or debris and ensure a reliable electrical connection. The 5 Most Common Ford 2.0 EcoBoost Engine Problems Yes I agree. FORScan can access Mode 6 but I don't know what TID's are available for your car. PDF TECHNICAL SERVICE BULLETIN 20- 3.5L EcoBoost - Cold Start Ticking . Remove the ignition coil from that cylinder and replace it with one from a non-misfiring cylinder. 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. Ford 3.5L EcoBoost: Engine Failure - Tomorrows Technician Fuel related . Why Does the EcoBoost Engine Keep Catching on Fire? - Ford Problems When I got home I scanned the truck for trouble codes, and discovered these codes: P0300 (Random/Multiple Cylinder Misfire Detected). By You may also notice other performance issues, like slower acceleration than usual or a stalling engine while accelerating. If you suspect that your engine is misfiring, it is important to take care of the problem as soon as possible. Only history I have is the truck has had all six ignition coils replaced . Ford 2.7 EcoBoost Now Problematic Cookie Policy - The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. If your Scan Tool can give you access to Mode 6 Data then there may be some clues there. Within about 5 minutes of leaving the pump the engine was struggling. 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. Keep your Ford F150 truck running strong. If you're located in Florida especially in Hollywood, i wanna meet you so i can get my car fixed for good. 00:00 / 00:00. What else can I do??? It gains 375-450 horsepower in the majority of models. More often than not, your engines computer will be able to detect bad spark plugs in your F150. I do see codeB10EA from the positive temperature coefficient heater sometimes but have assumed that cant be related. So far the dealership has replaced a coil and all spark plugs, misfire no longer severe, but still present. Still #1 misfire. Misfires can cause serious damage to your engines internal parts and the catalytic converter, which can be very costly to repair. Even if you think it will be very expensive to take the car to a mechanic, it can actually sometimes be cheaper to get a proper diagnosis rather than replacing fully functional parts. Again, the 3.5 EcoBoost is an extremely reliable engine in general. 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. With the retaining the ignition coil plug unplugged and the retaining bolt removed, you can now pull the coil straight out of the hole. The first day I had my truck, changed plugs and boots.had to it misfired like mad on the way home and knew it had to be done..got a extra 1k trade in for taking it that way and then drilled hole, also cleaned the maf sensors, ran like a champ and still does. SMax auto is slow to shift down to 1st gear. Failure of any of these sensors can cause an incorrect air-fuel mixture to enter the engine, which can cause the engine to misfire. <>Avoid over tightening the bolt to prevent from cracking the plastic ignition coil housing. Started 4 hours ago, By If you lose power while driving on a busy road, this is a safety hazard. If your engine misfires, it will feel like the engine is shaking or vibrating, and it may make a knocking noise. Take care of the 3.5 EcoBoost and it will almost certainly reward you with a pleasant, reliable driving experience. As fuel poor pressure measurement and control was one of the key symptoms this was almost certainly the smoking gun. Remove the bolt that holds the coil pack in place with a 8mm (5/16) socket. Always starts and idles perfectly, even passed its MOT. To protect yourself, here are the tried and true methods: Remember, the root cause of ecoboost misfire is the condensate buildup from the intercooler. While timing chain issues are unlikely to be as prevalent as some may believe, they are something prospective owners should be aware of. Again, be careful that you dont apply to much force and break the plug. 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. Posts: 3. Aside from an oil extractor pump, you need a container to pour the excess oil, a clean rag, and a pair of gloves. Privacy Statement - 1. 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. With the hood popped, standing in front of the vehicle, looking at the engine the cylinder numbering starts at the front left (passenger . Monitoring live data, fuel trims and control status shows the system in closed loop control, then when the hesitation misfire occurs the short term trim goes very high, 20+. good article but didnt cover a p0300 with misfires on all cylinders on 1 bank of a v8. The car has run perfectly all summer but in the last couple of weeks the fault is back. Try better fuel, see if it goes away. These are plastic components, so be careful that you dont break them. Unfortunately, low compression problems are often caused by worn parts inside the engine, which can be very expensive to fix, so youll want to inspect the other possible causes first. Ford addressed this issue with the second generation 2.7 EcoBoost by utilizing port injection. (6) Motorcraft SP-580 (CYFS-12-YT4) spark plugs. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. The engine misfires, resulting in rough idling, stuttering, and fault codes. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. Additionally, issues with the 3.5 EcoBoost timing chain guides, tensioner, and cam phasers occur. It can also be caused by fuel-related issues such as a faulty fuel injector or a bad fuel pump. 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. when overtaking. northern_nubie It is not recommended to drive your car at all with a misfiring car engine. A high-quality shop vac and walnut media shells are required for this job. Once at normal operating temperature the car drives perfectly with both fuel trims very close to zero, although there is a power dip flat spot at full throttle 5500rpm which is odd, e.g. 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 . Fiesta 2013 1.0 Ecoboost misfire and or hesitation under light throttle Once the carbon deposits become excessive, walnut blasting the intake ports may be necessary. . This detects failures over a period of 200 revolutions. 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. I have a different engine to your one but for comparison my Low side pressure is normally around 400-450 Kpa. Low fuel pressure can be caused by a faulty fuel pressure regulator, a faulty fuel pump, or a clogged fuel filter. Ignition coils should last approximately twice as long. Had a slight misfire so I changed Spark Plugs and Coils. Ford 2.7 EcoBoost Now Problematic. 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. So the car in now at a local garage and they are struggling as well. random misfire and cyl 4 misfire. 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. Started Wednesday at 06:15 PM, By Early EcoBoost engines were also known to catch on fire, leading to a 2012 recall and "stop driving" order from Ford. 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 . If any of these are missing or incorrect, the cylinder combustion will not be done correctly, and no power will be created. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. Remove the insulated cover over the injection pump to get to spark plugs # 5, and #6. Although the engine appears the same on my car there is no sensor on the low-pressure side fitted. How Much Does It Cost to Fix Engine Misfires? Here are some of the symptoms of a bad VCT solenoid: 1. There arent many issues that frequently occur with these engines. Identifying these issues can be a little hard. Make sure that the oil change did not overfill or underfill. On Christmas morning 2019, I began pulling away hard from a traffic light, when suddenly the 3.5L Ecoboost in my 2016 Ford Expedition stumbled a couple of times. 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. Carbon deposits accumulate over time and obstruct airflow into the cylinders. This is what causes the misfire. Misfire Codes: A bad timing chain tensioner or guide also causes the check engine light to illuminate. 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. Regardless, we would want to complete the job. Speechless. You can post now and register later. Is normal that engines sound smoothly when there's misfiring in all cylinders? Advertising - The injectors are installed Under valve cover and to get to them the plenum and intake manifold needs to be removed. An engine misfire is an event that occurs when one or more of the engines cylinders fail to ignite the air/fuel mixture during the combustion cycle. As a result, the cylinders of the 2.7 EcoBoost may experience inconsistent air delivery due to restricted airflow. Read more: 8 Symptoms of a Bad Fuel Injector (& Replacement Cost). 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? A DIY solution to a water leak can have disastrous results. This happens fairly quickly, say 5 seconds per event and maybe 5 events during a warm up cycle. Then, go backwards to cylinders 2,3,4,5,6 on the driver's side. I4 2.3L EcoBoost Engine / Mods: Bolt-ons, Exhaust, . Any ideas out there? Low Engine Compression. Fortunately, this is not a time-sensitive task that requires immediate attention, and you may not even want to do it at all. Another subject well delve into. Started February 26, 2015, By I don't know what Scan Tool you are using but FORScan is your best bet for Live Data on any Ford car. The most common situation where you will feel misfires is in high gear, low RPM, and with the gas pedal to the floor. cheaper than replacing the valve?