Manage Preferences - To find out if your engine has low compression, you need to do a compression test and compare the results to the manufacturers specifications. At 96,000 Miles. I took it back home since I didnt have $3000 at the time and on a gamble went down to the auto parts store and bought the tools and spark plugs to swap the plugs out. You earlier indicated that your reservoir tank was "lowering as usual" or similar to that wording without me going back and checking. If your Scan Tool can give you access to Mode 6 Data then there may be some clues there. Yes I agree. More often than not, your engines computer will be able to detect bad spark plugs in your F150. Low coolant levels can lead to the engine overheating, misfiring, or catching on fire. To determine if you have low compression, remove the spark plugs. This is why you HAVE TO DRILL the 1/16" intercooler weep hole. You cannot paste images directly. Small bore plastic vacuum lines around the back of the engine have been removed and inspected, all look fine. Remove the insulated cover over the injection pump to get to spark plugs # 5, and #6. I've pulled the injectors and sent them for cleaning and testing, will report back results. You may also notice other performance issues, like slower acceleration than usual or a stalling engine while accelerating. 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. Changed the coil packs, no improvement. With closer inspection it was clear that there was contact between the loom and the square edge of the bracket. If your car engine is misfiring, it is important to find out the cause and fix it as soon as possible. what could be the cause of car engine running and stopping on the road? Not too shabby in terms of longevity. Leakage and excessive fuel burn. A design defect allows coolant to leak into the cylinders of the 1.5L, 16L, and 2.0L EcoBoost engine. A misfiring engine can be a serious problem that should be fixed as soon as possible. 9. Privacy Statement - But, if the wastegate or bypass valves are leaking, you might not hear any noise. Changing transmission fluid usually takes care of torque shudder, Torque converter usually isn't bad, just needs new fluid. 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. Paste as plain text instead, Remove the dipstick and place it on the clean rag to avoid contaminating dirt and debris. Although we adore the 3.5 EcoBoost, no engine is perfect. If I should get a misfire code again, than Ill replace the ignition coil for whatever cylinder the code is for. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. However, be very careful when doing this and have a fire extinguisher ready. I need some direction with this one. I had an F150 and an Escape both do exactly these same things. 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. by Aungsty Thu Mar 23, 2017 6:38 pm. Could it be a cv joint problem? Well discuss some of the most common issues with the Ford 3.5 EcoBoost V6 in this article, as well as its overall reliability. I have looked at the video and that's exactly as I would expect to find it. Although mostly reliable, a Ford 2.7 EcoBoost engine has problems including carbon build-up, oil pan leaks, and spark plug and ignition coil issues. Started February 5, 2013, By Contact Us - The engine from the second generation is used in the following models: With that background information out of the way, lets get to the point. If I need to take the car back as is I will invest in the FORScan system suggested above. As mentioned above, the ECM controls the engine timing, and air/fuel ratio. If you do this, and change spark plugs every 30k miles, you will never have a misfire ever again. Ford enhanced the component before redesigning it for the second generation 3.5L twin turbo V6. This oil eventually cakes onto the intake valves as it travels through the intake tract. 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. 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. Is it in the fuel tank as part of the pump module? 036 inch, the old ones were less than the specification gap. 5 Best 2.0L EcoBoost Performance Upgrade Guide, technical service bulletin that can be seen here, 3.5L EcoBoost Timing Chain Rattle Symptoms & Fixes, Ford Fuel Pump Driver Module Failure Symptoms & Solutions, 2010-Present Ford S-Max, Galaxy, and Mondeo, Engine overheating (often triggering a P0217 engine code), Whistling, whining, or chirping noise coming from the engine, Engine builds no boost under acceleration. However, Ford pioneered the use of turbochargers, direct injection, and variable valve timing. Additionally, turbocharging and direct injection assist the 3.5 V6 in remaining fuel efficient and emission-free. Ford addressed this issue with the second generation 2.7 EcoBoost by utilizing port injection. May 9, 2021. How long can you drive with a misfiring engine? If the problem comes from the drivetrain and not the engine, the CV joints or driveshafts are common causes. Push in the red plastic lock tab to secure the power plug. Even if the repair is not covered under warranty, you may be able to negotiate a discount or other form of compensation with Ford. How Much Does It Cost to Fix Engine Misfires? Clues so far is that it doesn't like colder temperatures e.g. Advertising - If you cant find the issue elsewhere, its definitely worth taking a look at your fuel injectors. Spark plugs for stock 3.5 EcoBoost engines will likely need to be replaced every 40,000 to 60,000 miles. It may stall, and not be able to start again, until you turn the ignition all the way off and back on again. However, the ignition components on the 3.5 twin turbo EcoBoost engine are likely to wear out much more quickly. Is this possible ? Ford, on the other hand, took it a step further by offering a 647hp variant of the legendary Ford GT. Jun 30, 2021. Copyright 2023 Mechanic Base. 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. . Tom Harbid. You can also open the hood of your car and watch the engine idle. The majority of 3.5L V6 EcoBoost engines should have no significant issues reaching 200,000 miles or beyond. Display as a link instead, Truck ran pretty good even picked up about 1.5 mpg, then the last couple of weeks it has become a tired dog. He shows location of low side pressure sensor (and goes through other common faults). Carbon deposits accumulate over time and obstruct airflow into the cylinders. This makes the 3.5 EB an excellent engine for towing and fun around town without requiring full use of the engines RPM range. If you have an account, sign in now to post with your account. As for these Ford 3.5 EcoBoost, problems result from the engine using a direct injection fuel system and being twin turbo. 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. and you'll notice engine misfires, startle, and low millage. By If any of these are missing or incorrect, the cylinder combustion will not be done correctly, and no power will be created. Its critical to establish this for a reason. Started 4 hours ago, By Again, be careful that you dont apply to much force and break the plug. Therefore, if you notice that your car engine idles rougher than usual, it could be a sign of a misfiring engine. I just realized that 1999 toyota Camry is running on 3 cylinder By reading your article I'm without any doubt that you're a professional. northern_nubie Car wont move after CV Joint replacement. Turbo engines do require some additional maintenance, but we believe it is worthwhile in the long run. Connect a compression gauge to the spark plug holes and crank the engine several times. I have done plugs and coils as well, even new throttle body. I have a different engine to your one but for comparison my Low side pressure is normally around 400-450 Kpa. The second most common cause of a misfiring engine is bad or failing spark plugs. Received 31 Likes on 28 Posts. Remember, the root cause of ecoboost misfire is the condensate buildup from the intercooler. Ford did an excellent job updating some of the engines weak points with the second generation engine. The next thing you want to check is the fuel pressure. Its my first scan tool which has been useful but is limited by my knowledge and the small screen. Misfires Are More Common Than You'd Think. The socket should have a rubber insert or a strong magnet to securely hold the plug in place. At the moment I can only comment on two of your points. Due to the high turbo boost pressures, spark plugs and ignition coils are subjected to significant abuse. The engine in modern cars uses many sensors to measure everything in the engine to make them as efficient as possible. Puzzled. 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 . These are plastic components, so be careful that you dont break them. If you know a little about cars, youve probably noticed a difference in sounds from different engines. Woww wow wow great article! Under hard acceleration (i.e., boost) or at highway speeds, an intermittent stumble and misfire reportedly can occur during high humidity or damp conditions. While this is a common issue with the EcoBoost, it does not occur with every engine. Maintain the Ford EcoBoost engine properly, and it will almost certainly reward you with a dependable, enjoyable driving experience. I changed my plugs and gapped them to the .028 and replaced the boots about a month ago. 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. A random misfire means is that a misfire is detected . Poor Performance. 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. 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. On naturally aspirated engines, spark plugs frequently last over 70,000 miles, while ignition coils typically last about twice that. Zain from S.A, I have a bmw e30 320i 1989. 4) Poor Engine Performance. 2. . Misfires can cause serious damage to your engines internal parts and the catalytic converter, which can be very costly to repair. Fuel Injectors Can Get Clogged. Myself and many others might be happy you did, but we all would miss the joy and happiness you bring to this section All - this is a VERY WELL DOCUMENTED fatal flaw in the ecoboost. But with all the added power I'm experiencing, as well as the renewed tranny response, I have to figure that will all carry over to making towing easier. If youre experiencing misfires, heres an easy way to determine whether the problem is with the spark plug or coil. Well also look at how to determine if your engine is misfiring and answer some common questions about misfires. 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. Automotive Performance, Tuning, & Modification. Contact Us - When symptoms exist and there are no codes, it becomes a little more difficult. If your engine is misfiring, it's important to determine the cause as soon as possible. Code says multiple misfire's . Update, car is back from the garage without a diagnosis. 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. No. RyanP2023 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). We both feel that the the low range fuel pressure sensor reading a constant 5 volts is worth investigating, but as we can actually find a low pressure sensor (under the bonnet) we are none the wiser. You may also consider simply replacing the spark plugs. Thank you for your help. Codes P0089, P0087 and P2626 were showing but no engine check light. When I got home I scanned the truck for trouble codes, and discovered these codes: P0300 (Random/Multiple Cylinder Misfire Detected). Otherwise, its primarily labor associated with gaining access to the intake ports. Labor should cost less than $100. Avoid over tightening the new spark plugs to prevent from stripping the aluminum threads. The check engine light is one of the most common symptoms of bad spark plugs. Remove the spark plug and ignition coil from that cylinder and visually inspect them and replace them if they look bad or dirty. If the engine misfires in excess of 23% of the time (46 misfires per 200 engine revolutions) at low RPM or in excess of 5% at high RPM it will trigger the fault code under this condition. 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. 2013 Ford Escape SEL AWD 2.0 Ecoboost Mileage 110,000 Hello! VVT has the ability to generate more power or save more fuel depending on the phase of the camshafts. 2: What fuel are you using? Its plastic, so you dont want to pry on it or you may break it. This is not a critical situation that requires immediate attention. As a result, spark plugs and ignition coils start bringing issues. Its a simple task that almost anyone can complete in less than an hour or two in their driveway.
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