Again, the 3.5 EcoBoost is an extremely reliable engine in general. Well discuss some of the most common issues with the Ford 3.5 EcoBoost V6 in this article, as well as its overall reliability. The most common code you will see is the P0300 code, along with a code like P030X. Started 4 hours ago, By In many ways, its the best of both worlds, as DI has numerous advantages over PI. The upstream O2 sensor, HP fuel pump and fuel rail pressure sensor have been changed. Great helpfully web site. RyanP2023 In rare cases, it can also happen because of low engine compression. If you cant find the issue elsewhere, its definitely worth taking a look at your fuel injectors. 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. 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. Had the DTC read as P0301 (#1 cylinder misfire) and went to my local Ford dealer, bringing a copy of Ford TSB 12-10-19. Often, it is simply normal wear and tear, but early problems are possible.
Ford EcoBoost Problems Lead To Class Action Lawsuit Read more: 8 Symptoms of a Bad Fuel Injector (& Replacement Cost). 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? 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. If you're located in Florida especially in Hollywood, i wanna meet you so i can get my car fixed for good. Ford addressed this issue with the second generation 2.7 EcoBoost by utilizing port injection.
Ford 3.5L EcoBoost Problems - UnderhoodService Declan19971 As we talked about earlier, the engine needs the right air-fuel mixture, spark, and compression to fire properly. However, this problem still pops up from time to time in the Ford 3.5 Ecoboost engine upgrades. Avoid over tightening the new spark plugs to prevent from stripping the aluminum threads. This is not a critical situation that requires immediate attention. Hearing some funny sound underneath the engine. All Rights Reserved. If I do, Ill update this page. Another subject well delve into. 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. laumk7 You may also notice problems such as the engine stalling at idle or an uneven idle that jumps up and down. Last thoughtI've still yet to test it towingneed to know whether I'll still have to play the game jumping between 4th and 3rd depending on the incline. Started February 26, By The misfire code will indicate that something is not right with the engine. Then, clear the codes and drive for a while to see if the problem has moved to another cylinder. However, using PI has a few additional benefits, most notably assisting in the prevention of carbon build-up. runs rough, no white smoke, no water in oil. The updates aid in the support of increased power and torque. This after they told me that the dealer and ford engineering thought it was a bad fuel injector . I changed my plugs and gapped them to the .028 and replaced the boots about a month ago. Parts cannon loaded and ready -- Customers paying -- Fire at will !! I do see codeB10EA from the positive temperature coefficient heater sometimes but have assumed that cant be related. The engine in modern cars uses many sensors to measure everything in the engine to make them as efficient as possible. Older cars use a distributor to distribute the spark to all the spark plugs, which are powered by an ignition coil. P0300 - this trouble code indicates that there is a random misfire. Symptoms Of Damaged Or Leaking Intercooler. The most common situation where you will feel misfires is in high gear, low RPM, and with the gas pedal to the floor. 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 lawsuit alleges that the leaking of . Carbon buildup, on the other hand, can result in power loss and a variety of other drivability issues. 4) Poor Engine Performance. Shudder fix additive can also help as stated above. Damaged injecting tools. Advertising -
There are several misfire related trouble codes.
Ford F-150 bad ignition coils symptoms, causes, and diagnosis CursedBones As fuel poor pressure measurement and control was one of the key symptoms this was almost certainly the smoking gun. I need some direction with this one.
4 Most Common Ford 3.5 EcoBoost Engine Problems - Tuning Pro Get at least 20% off selected Ford parts on eBay View parts on eBay now! The garage thinks its running lean at light throttles as the fuel trim values are going high, hence the misfire or hesitation. Misfires Are More Common Than You'd Think. 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). If you suspect that your engine is misfiring, it is important to take care of the problem as soon as possible. Received 13 Likes on 13 Posts. With the ignition coil out, you can remove the spark plug using a 5/8-inch spark plug socket, extension, and ratchet. Fixing a misfiring engine can sometimes be difficult without the right knowledge and tools, due to the multitude of possible causes. Zain. If you notice that it vibrates more than usual, it could be a sign that the engine is misfiring. Issue Severity: SEVERE - Stop driving immediately. I would like to congratulate you on the simple way of explaining this article on misfire troubleshooting. If the misfire persists after installing the new cylinder, youve identified the source of the problem. By 2013 Ford Escape SEL AWD 2.0 Ecoboost Mileage 110,000 Hello! If either the distributor or the ignition coil creates a weak spark, it can cause misfires.
PDF TECHNICAL SERVICE BULLETIN 20- 3.5L EcoBoost - Cold Start Ticking Had a slight misfire so I changed Spark Plugs and Coils. Most likely not your air filter. by Aungsty Thu Mar 23, 2017 6:38 pm. Were always looking for new content to share with other Ford Maverick truck enthusiasts. Labor should cost less than $100. Jan 23, 2021. ouguru said: 2011 F150 FX4 with 3.5L Ecoboost developed a severe misfire at 65k miles. Unexpected misfires, check engine light illuminations, rough idleall of these symptoms could indicate that your EcoBoost's timing belt needs to be replaced. These are plastic components, so be careful that you dont break them. On Friday they proposed and fitted a new in tank fuel pump but still in improvement. Ryan jones This disturbs the air-fuel mixture, which may result in the 3.5 EB misfiring. Carbon tracking is where the spark fires between the top of the plug and the base, across the ceramic shell. Before delving into 3.5 EcoBoost problems, its necessary to establish some context. This is not to say that the first generation engine is a bad engine by any means. 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.
Misfire All Cylinders On One Side Of Engine | Bank 1 Or 2 - YOUCANIC When the engine control module receives the data, it will determine if the problem is serious or not. Ignition coils have a life expectancy of 25,000 miles if were lucky. Excessive carbon buildup on the 2.7 EcoBoost may result in the following symptoms: Engine misfires Spark Plugs And Ignition Coils Issues. they then suggested that I replace all plugs and boots and get an induction flush. 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. Privacy Statement -
The most common car sensors that cause an incorrect air-fuel mixture are the MAF sensor, the MAP sensor, the oxygen sensor, and the coolant temperature sensor. Fuel Injectors Can Get Clogged. Check battery terminals are properly clamped and that the earth lead between the engine and chassis is good. Here is a look at (2) of the spark plugs that I removed. If not, change them, 6: If all that fails then it could be a clogged injector or a coil is going down, FORScan: https://forscan.org/download.html, New style 'vLinker FS' lead for use with the latest version of FORScan: https://www.bmdiag.co.uk/forscan-diagnostic-cable-for-ford-vgate-vlinker-fs. Ford, on the other hand, took it a step further by offering a 647hp variant of the legendary Ford GT. My caddy 1.6 carb had still misfired after changing coil, boggy cords, plugs, distributor cap, rotor and some fuel lines. 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 . Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine . Again, be careful that you dont apply to much force and break the plug.
You also want to ensure that the engines compression is correct, so you must do a compression test on all cylinders. What Are The Symptoms Of Engine Misfires? In any case, the issue at hand is one of timing chain stretching. A misfiring engine can be a serious problem that should be fixed as soon as possible.
Ecoboost Misfire Solution! - Ford F150 Forum Kinda forgot the power the 3.5 eco boost had when it was running rightat least no cops were nearby lol. 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. Ford introduced the 3.5-liter EcoBoost engine in the Lincoln MKS, MKT, Ford Flex, and Taurus SHO in 2010. Carbon deposits should not pose a serious threat to the 3.5 EcoBoosts longevity. Started February 26, 2015, By In some cases, the escaping boost pressure can be heard. This is what causes the misfire. 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. When it reaches normal speed it quit shaking. These cars are prone to misfires if the variable valve timing is malfunctioning. What are your thoughts on the 3.5 EcoBoost?
Ford 3.5 Ecoboost Misfire - Spark Plug Change - Blue Oval Trucks The dip is so fast the computed pressure in kPa doesn't mirror the raw voltage, but both their trends look noisy. Is this possible ? You earlier indicated that your reservoir tank was "lowering as usual" or similar to that wording without me going back and checking. Joined: Thu Mar 23, 2017 6:09 pm. Key Points. Time and the winter will tell. NQbbe Parts of the ignition system such as spark plugs and ignition coils are also a disadvantage of turbocharging. I thank you for making my life so much easier I'm going forward finding my problem.
Ford EcoBoost Has a Dangerous Engine Defect, Owners Say Remove the spark plug and ignition coil from that cylinder and visually inspect them and replace them if they look bad or dirty. Ford has also issued bulletins, indicating that they are fully aware of the timing chain issues. Turbo engines require more maintenance than the average engine. Copyright 2023 Mechanic Base. I haven't done anything with the turbo bypass valve so far assuming that at these very light throttle loads the turbo can't be contributing much if anything. Could it be a cv joint problem? 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. 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. jsk Fuel related misfires can be caused from not enough fuel. 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. The known common problems of the Ford 1.5 Ecoboost engine are: The Problem Of Overheating Has Been Exceeding. What Happens When You Put Too Much Oil in Your Car? 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. Ford did an excellent job updating some of the engines weak points with the second generation engine. I don't know what Scan Tool you are using but FORScan is your best bet for Live Data on any Ford car. The 3.5 EcoBoost engine from the first generation utilizes only direct injection (DI), which means fuel is sprayed directly into the cylinders. 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? It is, however, inherent in owning a twin turbo, direct injected engine. Here's How To Fix It, 5 Symptoms Of Bad Gas In Your Car and How to fix it, 8 Causes Of Low Engine Compression and How To Fix It, 5 Symptoms Of A Bad Engine Control Unit and Replacement Cost, P1326 Code Meaning, Causes, Symptoms (& How To Fix), 5 Symptoms Of A Bad Engine Control Module and Replacement Cost, P1131 Code Meaning, Causes, Symptoms (& How To Fix), Car Wont Accelerate But RPMs Go Up: Causes & Fixes. Most likely, you will be unaware of a gradual loss of power over a period of several years. Once the carbon deposits become excessive, walnut blasting the intake ports may be necessary. plasticpat Ford told me that plugs 2 and 6 are cracked and coil in number 2 needs replaced. 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. The engine hesitation misfire symptoms are very mild at the moment and only occur while the engine is warming from a cold start, say 1 to 3 miles after start at about 50mph and on light cruising throttles. Hi guys. MechEng, V8 engines have a completely different tone than a four-cylinder engine, for example. Started Thursday at 09:54 PM, By A car engine is very balanced when it is manufactured and often has balance shafts and various tricks to get as little vibration out of it as possible. I really appreciate you, thx for sharing that with us! Magnus is the owner and main author of Mechanicbase. 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. Open your hood and allow the engine to cool down. The Ford 3.5 EB strikes an excellent balance of power, torque, towing capacity, and efficiency. 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. However, it depends on how serious the fault is and what specific repairs need to be made. 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.