3.5 EcoBoost Problems: Problems, Costs And Big Recalls - Motor Verso The car is my daily driver and I'm not necessarily looking for an . Its time consuming and the component costs can add up. The next thing you want to check is the fuel pressure. Received 31 Likes on 28 Posts. However, it is entirely possible that this is simply because the F-150 is the most popular model equipped with the EcoBoost engine. Although we adore the 3.5 EcoBoost, no engine is perfect. But how do you tell if your engine is misfiring, and what could be causing it? By Ford 2.7 EcoBoost Now Problematic I have looked at the video and that's exactly as I would expect to find it. or my ECU ? 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. 3. I would like to congratulate you on the simple way of explaining this article on misfire troubleshooting. We used Mitchell 1 to look up the information for setting a P0300. Again, the 3.5 EcoBoost is an extremely reliable engine in general. Magnus is the owner and main author of Mechanicbase. What Are The Symptoms Of Engine Misfires? 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. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. 2. In fact, nuzzle 2 & 3 does not bring up any sign it is OK when removed from the plug head to the nuzzle. 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. All Rights Reserved. Always starts and idles perfectly, even passed its MOT. You also want to ensure that the engines compression is correct, so you must do a compression test on all cylinders. Even if the repair is not covered under warranty, you may be able to negotiate a discount or other form of compensation with Ford. 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. Why Does the EcoBoost Engine Keep Catching on Fire? - Ford Problems While timing chain issues are unlikely to be as prevalent as some may believe, they are something prospective owners should be aware of. Take care of the 3.5 EcoBoost and it will almost certainly reward you with a pleasant, reliable driving experience. Faulty coils and broken electric wires. Worst pressure condition in the cylinder. At 96,000 Miles. Nonetheless, turbo technology has advanced significantly over the last few decades. He shows location of low side pressure sensor (and goes through other common faults). As a result, symptoms such as fault codes, a rough idle, and stuttering may occur. Later when I handed it over to the main dealer they changed the plugs again but no improvement. If you lose power while driving on a busy road, this is a safety hazard. In addition, the check engine light may also be on if misfires are specific to a particular cylinder. To be honest, this is mostly here because weve run out of other topics to discuss regarding the 3.5 EcoBoost. 036 inch, the old ones were less than the specification gap. 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. This has a detection period of 1000 engine . Symptoms The signs of a leaking turbocharger system start with a lack of power or random misfires. Regards If you are installing brand new plugs, tighten them until you feel the new crush washer collapse. 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. Vacuum leaks are a common cause of an incorrect air-fuel mixture and are fairly easy to check, so you want to start there. However right now this is what I've got since I wanted to spend $20k not $35k. Double check that the spark plugs are tight before moving on to the next steps. It does sound like it is running lean, it's strange that there are not codes all the time. I wouldnt have thought a UK dealer would make the same mistake but Im almost sure they did. Hi all, my 1.0 ecoboost has recently started to misfire or hesitate under light throttles. That being said a few things to watch out for. To determine if you have low compression, remove the spark plugs. Modern cars have good monitoring systems for all the different car sensors on the engine. 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. How Much Does It Cost to Fix Engine Misfires? According to . laumk7 Check light blinking, car acceleration slow. If you see a blinking or flashing check engine light, thats another strong sign that your engine is misfiring. To be fair to the Ford 5.0 Coyote engine, we believe the 3.5 EcoBoost is a clear choice if offered. Fortunately, checking the fuel pressure in your car is fairly easy with a manual fuel pressure gauge, and worth doing if you suspect low fuel pressure. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Yes. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. 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. Dirty filters/Fuel filter clogging. Therefore, if you have checked the basics, it may be worth taking your car to a qualified mechanic for expert advice. Good morning. Please register or login to enable Dark Mode. Ford EcoBoost Has a Dangerous Engine Defect, Owners Say As we talked about earlier, the engine needs the right air-fuel mixture, spark, and compression to fire properly. Parts of the ignition system such as spark plugs and ignition coils are also a disadvantage of turbocharging. Avoid over tightening the new spark plugs to prevent from stripping the aluminum threads. This after they told me that the dealer and ford engineering thought it was a bad fuel injector . On Friday they proposed and fitted a new in tank fuel pump but still in improvement. Ford 2.7 EcoBoost Spark Plug & Ignition Coil Symptoms. What Are The Causes Of An Engine Misfire? Tighten the plug in the clockwise direction with the 3/8 drive ratchet to just past hand tight. Hesitation everytime I get into the throttle. The X is replaced with the cylinder number where the cylinder misfire occurs; for example P0301 is a cylinder 1 misfire. and you'll notice engine misfires, startle, and low millage. Upload or insert images from URL. 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? Remove the engine oil filler cap, and remove the plastic engine cover by lifting up and pulling forward. Push a new spark plug into the spark plug socket. You can do this with either a compression tester or a leak-down tester. cheaper than replacing the valve? Some F-150 owners have complained of a mysterious misfire on these engines. The Latman good article but didnt cover a p0300 with misfires on all cylinders on 1 bank of a v8. Cookie Policy - An engine with a bad ECM will often run rough and misfire. Misfire Codes: A bad timing chain tensioner or guide also causes the check engine light to illuminate. Ignition components can produce a wide variety of symptoms and drivability issues, so dont overlook simple spark plugs or coils. 2.7 EcoBoost stumble on highway acceleration - F150 Forum 27 Jan 2018 00:24 - 28 Jan 2018 10:44 #17294. I turned around and headed home, and after a short distance, the check engine light stopped blinking, and the truck seemed to run smooth again. As a result, spark plugs and ignition coils start bringing issues. 3.5L EcoBoost - Cold Start Ticking/Tapping Or Rattle Type Noise - Built On Or Before 31-Oct-2019 20-2315 14 September 2020 This bulletin supersedes 20-2191. Now the symptoms are less noticeable there are no codes. I need some direction with this one. The smaller twin turbochargers are quick to spool and deliver a significant amount of low- and mid-range torque. However, numerous other factors can cause rattle. MechEng, Ford enhanced the component before redesigning it for the second generation 3.5L twin turbo V6. The car has now been back an forward to a Ford main dealer over the last two weeks and they are stumped. . It may stall, and not be able to start again, until you turn the ignition all the way off and back on again. in both cases, the engines were significantly under the mileage recommendation to replace the spark plugs. . I also attempted to clear the keep alive memory by disconnecting the battery for an hour, don't know if this worked but it did zero all the average fuel economy data. 2013 Ford Escape SEL AWD 2.0 Ecoboost Mileage 110,000 Hello! Smoke Can Indicate Danger For You. Hi guys Ryan jones Speechless. You can post now and register later. Automotive Performance, Tuning, & Modification. Paul 56 What Happens When You Put Too Much Oil in Your Car? Change the oil on time, use high-quality oils, and address issues as they arise. Key Points. 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. 5/8-inch spark plug socket for 3/8-inch ratchet. 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. This video may help. Started August 19, 2022, By I had an F150 and an Escape both do exactly these same things. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. The injectors are installed Under valve cover and to get to them the plenum and intake manifold needs to be removed. Bad Ignition Coil. 2017 Escape 2.0 Ecoboost misfire | 2013+ Ford Escape Forum Walnut blasting should be performed every 70,000 to 100,000 miles as preventative maintenance. The carbon deposits can cause un-even amounts of air to enter to cylinders. Ford F150: Bad Spark Plugs Symptoms and Diagnosis Received 13 Likes on 13 Posts. 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. If the timing chain completely fails, additional damage to the 3.5 EcoBoost engines is possible. Misfires can cause serious damage to your engines internal parts and the catalytic converter, which can be very costly to repair. My 1997 Sebring run good , as long as I stay under 65 . This is what causes the misfire. I'd get rid of this truck if I could but the timing just isn't right. jsk I wasn't very succinct with my summarybut yes, I agree fully with Bravo and Whoand yes, when I have it to do again, I'll never own another boosted motor. danielsan8787 Additionally, issues with the 3.5 EcoBoost timing chain guides, tensioner, and cam phasers occur. 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. 2015 ECO 3.5 Misfire-Tried everything, I think. - F150 Forum Need some advice here, I have a 2015 F150 3.5 Ecoboost. Discuss all things maintenance here. However, Ford pioneered the use of turbochargers, direct injection, and variable valve timing. Make sure that the oil change did not overfill or underfill. This disturbs the air-fuel mixture, which may result in the 3.5 EB misfiring. Symptoms of 3.5L Ecoboost misfire are usually related to heavy carbon build-up on the ignition coil. Need some advice here, I have a 2015 F150 3.5 Ecoboost. PDF TECHNICAL SERVICE BULLETIN 20- 3.5L EcoBoost - Cold Start Ticking If the check engine light is on, there should be a trouble code stored that needs to be checked with an OBD2 scanner. READ MORE: 15 Types of Car Sensors (& What They Do). Reason for update: update the vehicle model years affected and production fix date Model: Ford 2017-2020 F-150 Engine: 3.5L EcoBoost 2018-2020 Expedition Lincoln 2018-2020 Navigator Summary Here are the 6 failures and what to look for. Two of the issues listed above may not even be considered issues. Here is a more detailed list of how to diagnose and fix engine misfires: Modern car engines have a system that monitors all the sensors in the car engine, and if there is something wrong with a sensor, it will store it as a trouble code in the engine control module. You earlier indicated that your reservoir tank was "lowering as usual" or similar to that wording without me going back and checking. Turbo engines do require some additional maintenance, but we believe it is worthwhile in the long run. Try better fuel, see if it goes away. Fuel related misfires can be caused from bad fuel. If you cant find any problems on the spark side, its time to look at the air-fuel mixture. by Aungsty Thu Mar 23, 2017 6:38 pm. Is normal that engines sound smoothly when there's misfiring in all cylinders? Truck ran pretty good even picked up about 1.5 mpg, then the last couple of weeks it has become a tired dog. 2011 f150 ecoboost misfire p0301 - Ford F150 Forum Youll also want to inspect the spark plugs and ignition coils. There Can Be Damage To Different Parts Of The Motor. 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 ??? Inject not getting fuel , so cylinder does not fire , so get misfire code. 1. Ford 2.7 Ecoboost Problems - CoPilot What else can I do??? Carefully lower the new spark plug down into the well. Generally, the most common F150 PCM failure symptoms include: inability to connect diagnostic scan tool, check engine light illumination, rough or even no start, low gas mileage, failed emissions test, engine stalling, difficult shifting, getting PCM-related . Terms of Service - This detects failures over a period of 200 revolutions. Ford also added port injection to the second-generation 3.5-liter V6 twin turbo engines. 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. Open your hood and allow the engine to cool down. plasticpat if everything is working correctly. UPDATED: I have had an issue since I purchased the truck 10 months ago. If an issue does occur, it is prudent to replace the entire timing chain assembly. Started 4 hours ago, By Causes & How To Fix It. Spark Plugs And Ignition Coils Issues. The car wont rev up over 3000revs per min.could iit b a bad ignition coil. Vehicle does not drive like it used to. TuningPro.co is owned and operated by 8020 Media. Push in the red plastic lock tab to secure the power plug. Misfire Help P0300 P0301 P0302 P0303 P0304 P0305 P0306 Rotate the ignition coil back and forth a few times to help spread the dielectric grease. If youre experiencing misfires, heres an easy way to determine whether the problem is with the spark plug or coil. Read more: 8 Symptoms of a Bad Fuel Injector (& Replacement Cost). Failure of any of these sensors can cause an incorrect air-fuel mixture to enter the engine, which can cause the engine to misfire. There are always a few kinks to iron out, and they were relatively minor with the 3.5 V6. Another subject well delve into. Hi I have a 61 ford falcon 6 cyl has a miss fire under load new coil, plugs, wires points cond, dist, all cyls fire, My 206 puegoet starts up fine from cold drives 100 percent problem is when it gets hot will drive it when I switch it off and start it up get miss fire and loss of power so I have to switch it off and start it up after a few tries it's gets back to normal even though the car is hot. On naturally aspirated engines, spark plugs frequently last over 70,000 miles, while ignition coils typically last about twice that. Keep your Ford F150 truck running strong. Read the manufacturer's instructions and set up the pump. It gains 375-450 horsepower in the majority of models. VVT has the ability to generate more power or save more fuel depending on the phase of the camshafts. At this point I decided to just change the spark plugs. Apply some dielectric grease to the opening in the rubber dust boot at the bottom of the ignition coil. To find out if your engine has low compression, you need to do a compression test and compare the results to the manufacturers specifications. However, it is a much simpler job than changing the spark plugs. 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. Failed injectors arent very common on most modern car models, and because of this, youll want to check out the other possible causes first. What are your thoughts on the 3.5 EcoBoost? If I get on the highway at 70 , It does not take long to get the check engine light. 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+. Ecoboost 1.0 - Difference Between 100Hp And 125Hp Version ? Carbon buildup, on the other hand, can result in power loss and a variety of other drivability issues. 2012 Ford F-150 Engine Missfires Under Hard Acceleration Issue Severity: SEVERE - Stop driving immediately. Pennzoil vs. Mobil 1 Oil: Differences & Which Is Better? Rough acceleration is a typical sign that your engine is misfiring. 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. Here is a more detailed list of the most common cause of engine misfires: 1. Fortunately, a set of six Ford 3.5 spark plugs typically costs between $40 and $100, depending on the source. Rev going down and vibrating when gear is engaged. Ford, on the other hand, took it a step further by offering a 647hp variant of the legendary Ford GT. If you notice that it vibrates more than usual, it could be a sign that the engine is misfiring. Its not recommended to drive with engine misfires. Aug 11, 2020. Not too shabby in terms of longevity. Checked all the ground connections I could find, they all looked good. Its a powerful engine with 355 to 647 hp and plenty of torque. In the case of a misfire a P0300 (random or multiple cylinder misfire), or specific cylinder P0301-P0306 should have triggered. NQbbe 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. The Ford 3.5 EB strikes an excellent balance of power, torque, towing capacity, and efficiency. It can also be caused by fuel-related issues such as a faulty fuel injector or a bad fuel pump. . 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. A high-quality shop vac and walnut media shells are required for this job. Leave a comment and inform us! Timing chain replacement is likely to cost in the thousands of dollars range. This will be discussed in greater detail in the upcoming discussion of common 3.5L EcoBoost engine issues. SMax auto is slow to shift down to 1st gear. Get at least 20% off selected Ford parts on eBay View parts on eBay now! 8. 1. Had a slight misfire so I changed Spark Plugs and Coils. How long can you drive with a misfiring engine? <>Avoid over tightening the bolt to prevent from cracking the plastic ignition coil housing. Ford F-150 bad ignition coils symptoms, causes, and diagnosis Low Engine Compression. In many ways, its the best of both worlds, as DI has numerous advantages over PI. Fuel related misfires can be caused from not enough fuel. Fortunately, Ford issued a service bulletin in response to these issues. The misfire code will indicate that something is not right with the engine. Copyright text 2021 by driveceladon.com. Therefore, if you notice that your car engine idles rougher than usual, it could be a sign of a misfiring engine. Is it Safe to Drive With a Misfiring Engine? - YourMechanic It is one of the variables over which we have no control. Simply because these issues are classified as common does not mean they affect a large percentage of 3.5 V6 engines. It accuses Ford of selling cars with cracked heads, seals not sealing, and catastrophic engine failures. This oil eventually cakes onto the intake valves as it travels through the intake tract. This is why you HAVE TO DRILL the 1/16" intercooler weep hole. Remove the spark plug and ignition coil from that cylinder and visually inspect them and replace them if they look bad or dirty. What Happens When Cam Phasers Go Bad - It's Bad! - Car Mod Nerd Fuel Injectors Can Get Clogged. Faulty plugs. 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. Youll have to push down on the gray tab to get the plug to connect from the coil. I thought it was misfiring or driveline related. 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. Thus until reading your wonderful explanation, I could not figure out why my computer was calling my burnt valve a "misfire", which I think is a bit misleading of OBD2. 165k miles #1 cyl misfire code. Ford 3.5 TT V6 Carbon Build-Up Symptoms. Update, still not fixed, Ford Main dealer have discussed with Ford UKand both are unable to offer a diagnosis with any confidence. A random misfire means is that a misfire is detected . Aside from an oil extractor pump, you need a container to pour the excess oil, a clean rag, and a pair of gloves. Those idiots told me I needed a new charge air cleaner, intercooler, possibly new turbochargers and whatever it was would be like $3000. I am having same issue. Yes I agree. This includes misfires, power loss, and a rough idle, among other things. If you know a little about cars, youve probably noticed a difference in sounds from different engines. 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? Its my first scan tool which has been useful but is limited by my knowledge and the small screen. Drop In Engine Power: . Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine . For the car engine to work properly, the perfect mixture of air and fuel is required, along with a clear and strong spark. Great helpfully web site. The lawsuit alleges that the leaking of . Starting at the PCM, centimetre by centimetre the loom was inspected for clues. So I would start there and then continue troubleshooting from whatever code you get. Causes and Methods to Fix Multiple Cylinder Misfire on Ford F150. Hi all, my 1.0 ecoboost has recently started to misfire or hesitate under light throttles. Engine overheating (often triggering a P0217 engine code) Engine misfiring (especially on startup) Lack of acceleration. Thank you for explaining how "misfires" are detected by the camshaft position sensor detecting slight changes in engine speed. Blog : Stratified Automotive Controls The known common problems of the Ford 1.5 Ecoboost engine are: The Problem Of Overheating Has Been Exceeding. 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. Thx, My toyota vitz 2nz engine still misfiring even after puting new plugs wat can b the problem. A design defect allows coolant to leak into the cylinders of the 1.5L, 16L, and 2.0L EcoBoost engine. Although this is a very rare occurrence, it is critical to repair the timing chain promptly if problems arise. 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. Rather than that, they are a few of the most frequently encountered issues when something goes wrong. Remove the dipstick and place it on the clean rag to avoid contaminating dirt and debris.
