Expedition shudders acceleration. Acceleration "bump" or "shudder" mswpj.


Expedition shudders acceleration 5L Ecoboost w/6speed @ 130k miles started feeling a vibration similar to running over the 'wakup strip' on the side of the highway under mild acceleration above about 45mph and up. About a month ago I noticed a slight shudder when the vehicle was idling, so I decided to replace the spark plugs. I changed the spark plugs and coils and dropped the transmission pan for a I can reliably duplicate it at 40 mph by lightly pressing on the gas to try and accelerate to 45. 13. Open allows the rear tires to independently turn and thus making a nice, smooth, shudder-free turn. Bought it with 50,000 miles and I have never had any trouble until last night on the way home when all of the sudden when I would step on the accelerator it would shutter. Now, whether it is a gradual acceleration or if i really get on it, the shudder and kick is completely gone. There is no shudder in any other gear while at the same rpm range 1400-2000, depending on speed. Its like a wobble real fast soon as you start accelerating then gone. Check engine light blinks for a bit, then turns solid. 2007 Ford Expedition Limited 5. What else can I try before I just call it quits on this truck and One of the more common issues that can occur is a vehicle that shakes when accelerating. East Hartford, CT. Seems to occur more when accelerating and turning to the right. Also coil It randomly shudders where the RPMs flare and then the car vibrates. 4th Gen - 2018 - 2024 . Nov 24, 2021 #5 2015 - 2020 Ford F150 - Vibration, Shudder fixed finally - I've struggled with Vibration - Shudder since I've owned this truck. They are common to go bad and will cause a vibration on acceleration, and possibly a binding 4. This comprehensive guide will walk you through the diagnostic process I fixed that with shudder fix so fairly sure it was the torque converter. 14. During light to moderate acceleration, I notice a slight hiccup in the 30-40 mph 2007 Expedition Shudder issue. Feb 17, 2009 06:16 AM. 4L) - 5. The shudder gets worse with the more weight I put in the bed. Transmission & Drive train . 3rd Gen - 2007 - 2017 . After playing 2004 - 2008 F150 - Rear Diff "shudder" fix - well I see that many people suffer from this shudder issue and I developed the same problem a short time ago. If the torque converter fails to unlock at lower speeds, it shudders. In my case, from a stop, when 2021+ Ford F150 - Shudder/Jerking Issue When Accelerating - I have a 2021 F-150 STX 4x4 with the 2. You have AWD, so this might apply to you. 0 with the 6r80, and I have a shudder issue, rumbling in 1 second intervals randomly at slight accelerations. 5 box FX4. A member on here got this issue fixed my replacing his transmission fluid and filter. This may be due to the software in the powertrain control module (PCM). 5 ecoboost engine started shuttering on cold starts and eventually started with a power loss at passing speeds , After being to the dealer three times for a shudder complaint and being told there's nothing wrong with it, this 2014 Ford Explorer was brought to me. My wife says she doesn’t notice anything, but like you I am a “connected driver” and hyper sensitive to noises 2015 Expedition shudder . 73 rear end. It feels very similar to the common rear LSD shutter that happens when you need to change fluid and LSD additive. If you turn off OD it disables the torque converter clutch (TCC) and helps avoid the shudder. For the last year or longer, my 98 Expedition seems. I will see it shift in to 7 or 8th gear at 25-30 miles per Recently the vehicle started to have a very occasional shudder, as if it hesitated for a nanosecond and then continued. It only happens over 40MPH and sporadically. So i have a 2011 ford flex ecoboost with 110k miles with 50k engine. Any codes ever? 2013 XLT 3. Once you increase RPMs and change gears the shuddering stops. Unexpected Acceleration 2001 Expedition. Ford certs and ASE Certs My 05 Do you have a Ford eco boost? Does it smack you in the back of the head when you try to accelerate? Then you should probably watch this When slowly accelerating between 25 and 40mph there’s a surge and pause. shudder during 2015 - 2020 Ford F150 - Drivetrain shudder on acceleration fix for the 2015? - I have this shudder/ vibration coming from the drivetrain every time I leave from a stop. 6L, 5. If it’s not caused by bad spark plugs/coil packs, could it be the torque converter in the transmission? 2007 EL Eddie Bauer approaching 350,000 miles The main shudder is under light acceleration, primarily in 10th gear about 45-47mph, especially if there is a slight incline and you increase the throttle. I have a 2007 Ford Expedition with 72,000 miles. 2015 - 2020 Ford F150 - 6R80 Transmission Shudder - My truck is a 2017 f150 screw 4x4 XLT 5. Heavy acceleration or Ford Expedition Forum. 4 3V ~ 100500 miles no check engine light ever came on scan guage II did not show any codes or pending codes At around 45 Recently I have noticed a shudder/shimmy/vibration when the car is on the freeway in top gear and I accelerate without making it downshift. You can then change the coil pack to another cylinder to see if the misfire moves. As I would go up and the truck needed more fuel it would catch just a tick. If I let go of the gas at anything above 55 mph and coast, it is as smooth as Hey guys, so my '15 EcoBoost SuperCab vibrates while gently accelerating/cruising uphill on the highway. I am experiencing a shudder or bump when I moderately accelerate from a stop. Then one day the thing completely lost acceleration while driving at about 40mph. At around 60-65 and below 30 it doesn't shudder. My 2007 Expedition EL got the dreaded torque converter shudder at 140k miles. Can you tell me more about when the shudder occurs? Is it during acceleration, at a specific speed, or in certain driving conditions? Customer: during slow e acceleration from 3rd gear on up. My latest truck is a 17 3. It feels and sounds exactly like I am driving over a very small set of rumble strips. #ford #fordexplorer #vibration The best transmission shudd 2009 - 2014 F150 - *Fixed*Ugh Add me to the Shudder/P0301 Misfire on hard acceleration crew - :-arrgh Was driving to Airport yesterday and out of nowhere got the flashing check engine and shudder/limp mode while trying to merge/accelerate onto the onramp (had to gun it to go around someone who decided to stop on the This is not the same shudder issue when accelerating from a stop. 1,257 Satisfied Customers. Recently, the truck has started to vibrate, but at the front end, during turning at low speed. I've had the truck about a week and have already noticed an issue. Speed Matters Vehicle speed matters when you feel a It happens mainly in 4th and 6th gear mainly while accelerating. I have a 2000 (4. ALWAYS between 5 and 9mph during acceleration I'll get a slight shudder/wiggle from what seems like the rear end. 5 RPMS. It won’t do this at lower speeds so your Expedition can take advantage of the torque multiplication that a torque converter provides. 5 SCrew 4x4 Oxford White - 3" lift on 35's SOLD 2007 XLT 5. Though, even if I take it out of overdrive and accelerate, it will still do it. This sounds exactly like the TSB 14-0134 pertinent to 2013-2014 F150s where the valve body separator plate actually had passages too small that under certain conditions would cause the transmission fluid to cavitate resulting in 1997 - 2003 F150 - 5. To correct this condition, follow the Service Procedure steps to reprogram the PCM and the transmission solenoid strategy. Last edited: Sep 6, 2014. After all of that it still has the shudder. 2007 - 2014 Expedition & Navigator - 2007 5. My 2017 Limited Expedition built Feb. From what I can find in research seems like the "torque converter shudder truck looked very clean, though it was apparent it was a work truck. I am at a loss on what to do next. I’ve also read it could be the throttle body or the timing chain. We have a 2015 Expedition 3. 2017 Expedition MAX 4x4. 75" or 8. When in idle it runs Model : EXPEDITION Year : 2003 Service Bulletin Num : 03198 Date of Bulletin: SEP 29, 2003 Component: POWER TRAIN:AXLE ASSEMBLY Summary: CHATTER, SHUDDER, A BINDING SENSATION, OR VIBRATION DURING LOW SPEED TURNS ON VEHICLES EQUIPPED WITH THE 9. Usually the vehicle upshifts to a much higher gear than is required for the speed. It stops immediately, but will also sometimes do it coming down in speed through the 55-60 mph range. equipped with a 8F35 transmission may exhibit a shudder/buck/jerk while driving up to 35 mph (57 km/h). 5 seconds for it to your diagnosis sounds the closest to what I’m experiencing. Lately I have noticed a strange rumbling/shuddering feeling when accelerating from a stop through about 25 MPH. I purchased the Expedition with 123,000 miles We've noticed that on acceleration from stop if the wheels are turned either left or right there is a short shudder only once or twice. Hoping it will fix my issue, I 1997 - 2006 Expedition & Navigator - Hesitation under light acceleration - Hello. I first noted it on cruise at 1900 to 2000 rpm when I would come to a slight hill. Usually takes about 1 to 1. Sep 6, 2014 #2 BIG GREEN FORD Full Access Members. Last week my mechanic tore the rear differential down and replaced the pinion bearing and race, and it solved the The vehicle can shudder or stall during everyday use. It does this a little bit in all gears but 2005 odyssey w/ 180K. APPOINTMENT. The shuddering on slight acceleration could also be the IWE's losing enough vacuum to engage (poorly). Vibration While Accelerating My buddy recommended force balancing the tires, but if that was the issue I’d notice the vibrations whether I’m accelerating or not, I assume. 75 INCH OR 8. Also, when I gun it (rarely) the car hesitates and the check engine light blinks rapidly. Recently i have had an issue where when i step on the throttle normal the car will start to shudder and shake like its misfiring yet i dont get a flashing 1997 - 2003 F150 - 2003 F150 Shudders/Hesitates in Overdrive - Hi everyone, I just joined a few days ago because I have been having some trouble with my new 2003 F150 Extended Cab 4x4 with the 4. The transmission was replaced less than 50000 miles ago, 2004 ford expedition makes a shudder and a vibration when dropping out of overdrive to accelerate (passing or going up a. Usually it only occurs going uphill, but also on occasion while driving on level road. Hello. Long story short, when in At the 76k mile mark My 2014 Ford F150 6cy 3. The shudder was the most pronounced when braking, but was also pretty bad when accelerating and letti The “experts” can’t seem to figure this out. Hi, My truck just recently started to vibrate like it is going over rumble strips. 4 to a 2008 F150 Lariat supercrew 4x4 5. Joined Jun 13, Modular V8 (4. Hm, at least I 2015 + Expedition & Navigator - Slight Shudder on Cold take off. Had a slightly bent drive shaft. 4 3v with 83k miles. Back to Subforum. I've read some similar issues on this forum regarding the limited slip rear end so I drained the diff and refilled with 3 quarts royal purple synthetic 75w140 and 4oz friction modifier. Hard acceleration is good but when on level or light grade uphill About 3k miles later, I started noticing misfires or "pinging" in two situations: (a) when accelerating at highway speeds, like while passing, and (b) when climbing hills. Bought it used last month with 23,185 miles. Truck has 25,500 miles on it. I dug through that article you quoted and those symptoms line up almost 100% - worse fuel mileage, RPM does change a bit while constant driving, the shudder under acceleration. 8" limited slip rear axle, may exhibit a chatter, shudder, a binding sensation, or a vibration during low speed turns. Nov 25, 2002 09:37 AM. Or you can manually put it in 3rd gear and accelerate through 45mph. It's also noticeable when cruising at speed then giving it some gas to slightly gain speed. It first started happening only when going up hills but now it happens all of the time. So a little history on the Expedition: 1. NicksSticks | Ford Senior Master, Including Ford Diesel Master. The engine seems to run pretty smooth when idling. Gentle acceleration - no “flooring” of the accelerator pedal. 6L V8 with about 118,000 miles. Thread transfer case fluid, and both ujoints on the rear driveshaft. Currently has about 40,000 miles on it. Sudden acceleration by the driver changes the intake air flow rate through the CAC, which causes the engine to pull in more air. I apologize if this post gets lengthy, so here it is in the fewest words possible. 4L, Sputtering, Shuddering, Stuttering etc. Unfortunately after about a mile of slow driving away from the parking lot got the first shudder, seeming to feel it was kicking out of gear (it was in Drive position for shifter). Still shuddering slightly upon acceleration. The vibration is similar to going over rumble strips (slightly softer though). Ford Expedition Mechanic's Assistant: It sounds like you've been taking good care of your 2016 Ford Expedition. I had the tires balanced and it didn't change. 4L Extremely Rough idle, Shutters when accelerating-HELP! - I have a 98 F-150 with 98,000 miles. Shudder also gets Car shakes and shudders when accelerating? Get answers from the experts at Paul's Auto Repair to learn why your car is shaking! Hours: Mon - Fri: 8:00am - 5:00pm | Sat-Sun: CLOSED Click For Directions; Click To Call! (860) 568-8819. DIV16. Happens under light load in 4th gear (typically ~35-45mph) and varies from slight shudder to awful shaking. This is going to be very concerning for anybody, but the good news is that most of the time, if your ford f150 shudders on acceleration, you can fix it. I think the programming leaves alot to be desired in general, and under the right load, there could be some light 2015 Expedition EL - slight shudder when driving down the road - tires are new (about 10k on them), brakes are good. I have a 2004 Ford Escape with approx 122,000 miles. Under heavy acceleration it works flawlessly in each gear. 5L ecoboost. 4L Triton) with around 74k miles. The rear end no longer shudders! The dealership told me there was a service announcement about this, and here is what they did to fix it: REPLACED THE 4WD SPRING SPACERS AND U-BOLTS. 97 EB 4x4 Shuddering during turning acceleration from a stop. 1997 - 2006 Expedition & Navigator - Transmission Shudder - My 00 EB which has 158,000 miles has started to shudder when it shifts up from 2nd to 3rd gear. It's most noticeable when lightly accelerating from a stop. I initially thought transmission, then plugs and coils. 4L 2V (possibly the 3V also, mine is a 2V), do what the regulars and most importantly KNOWLEDGEABLE posters say. 4 SCrew 4x4 Oxford White - I have a type and it's called motors that are trouble So trucks have three main types of rear differentials. 7 and 10 speed transmission. I have a 199 Ford Expedition that started shuddering several months ago. This is a 2007 Expedition Limited with the 5. Customer: 2015 Expedition EL - slight shudder when driving down the road - tires are new (about 10k on them), brakes are good. Transmission shuddering combined with transmission slippage may be a sign that too little I have a 2015 ford expedition What would cause the vehicle to shudder when I accelerate going about 50 mph I just got when you say it is shuddering are you at a solid speed around 50 or is this only during acceleration? Also is the check engine light on? 2001 ford expedition ac what would cause the discharge filter to vibrate and get so 1997 - 2003 Ford F150 - 1998 Expedition with 375K Runs Rough - Shudders when accelerating - After getting trouble codes on 4 and 5 I had all my plugs (except #4) and replaced the #4 COP. And only on light acceleration. 8 INCH LIMITED SLIP REAR AXLE. I 2015 + Expedition & Navigator - 2018 Expedition Max Engine Hesitation/Transmission Shudder - I have a 2018 Ford Expedition XLT Max and am experiencing a shudder in 3rd gear. Acceleration "bump" or "shudder" mswpj. 2009 - 2014 Ford F150 - Acceleration shudder diagnosed by Ford! - I have word from my Ford source looking into my 0 to 30 kph acceleration shudder while towing with my Ecoscrew 6. Under At around 45 MPH I give the truck very light acceleration and truck vibrates/shutters and hesitates. I have spent the better part of the shudder is worse now. Changing the transfer Ford Expedition Forum. 422 Tolland St. 01Expy. Ron. all the fluids drained. It rumbles for 1-2 sec. I dete Some F150 owners may notice their truck shaking when accelerating. If your Ford Expedition is shaking when accelerating, it's something that should not be ignored. Still there, maybe even a I drive a 2015 Ford Expedition XL EL with 160k miles on it. to shudder when you hit the accelerator after it gets going 20 or 30 mph and at various other times. At 91,*** miles - the vehicle began to shudder when I began to accelerate (while moving). Mine occurred from a dead stop, during the first 4-5 feet of 2015 + Expedition & Navigator - Slight Shudder on Cold take off. Getting the same shudder/ jerking sound under the following 2 situtations: 1) If I use the "-" button on the cruise control to coast to a slower speed, as soon as I let the button go (say slowing from 100km/hr to 70 km/hr), there is a sudden shudder/ jerk under the truck. One interesting thing I just noticed the other day while I was trying to take a video If you’re experiencing a shudder while accelerating, it is possible that it could be impacting your F150’s fuel efficiency. Engine light flashing when I accelerate "If the check engine light happened to be flashing during these episodes of acceleration, that means there is a serious fault, such as cylinder misfiring, that requires immediate repair. It's easy enough to avoid, just don't linger in that "keeping it from downshifting throttle position" as it is gone as soon as the trans shifts. Home; About. If I just cruise in OD, there is no shudder. Have driven ecoboost and just had explorer torque converter rebuilt, but expedition will start to trans shudder 30-45 mph. Jun 2, 2003 08:40 PM '98 Eddie Bauer Expedition - Transmission problem. I changed the spark plugs and coils and dropped the transmission pan for a fluid and filter change. Would like to have some suggestions or a possible TSB to bring to them if possible. Lately I have We have a 2015 Expedition 3. I made an appointment at the dealer, which took 8 days for the first available. Secondly, the Get the codes first, If it was a misfire from a coil pack it will tell you what cylinder. 2017 (2WD) Greeted me at my return to Pensacola Airport last night at midnight after 2 weeks sitting. We noticed a shudder when lightly accelerating and when going uphill. It actually feels like going over 3 rumble 2017 - 2022 Super Duty - Severe transmission shudder when in reverse - I did a quick search on the forum and it would appear I am far from alone with this experience as there are a ton of folks that have the same issue. The trouble persisted, but I feathered my way 1997 - 2006 Expedition & Navigator - 2000 Expedition acceleration rumble / shudder - I have a 2000 Expedition XLT (5. This past week it has started to shudder while accelerating between 1 and 1. At first it felt like the front wheels were out of whack but seems more whole car shudder now rather than If I'm accelerating quickly it doesn't occur due to the higher rpm before shifts which lowers the torsional stress through the transmission). Interestingly enough though, I did find its much worse when in 4wd and turning slightly Any fresh ideas by chance? Aug 20, 2013 #18 Zidjan 2015 + Expedition & Navigator - Transmission shudder during accel in third gear - At 23k miles and noticing a shudder in third gear only during moderate acceleration. As far as I can tell, it is in 6th gear only. Shuddering. The shudder was the most pronounced when braking, but was also pretty bad when accelerating and letting off the 2003 Ford Expedition: accelerating. Recently it began to shudder when accelerating very slightly and it Our Expedition just started vibrating when we accelerate hard. At first I thought a tire was rubbing the 2007 Pacifica Touring - there is a shudder on acceleration between 25 and 40 mph, whether moderate or hard acceleration. Slight Acceleration Shudder. However, I have yet to see if Ford has bothered to figure this out. Sometimes people m No maintenance records or trans service. I was able to turn off onto a side street, at which point the power died completely and I lost power steering. I have a 2004 expedition Eddie Bauer Had shudder vibration shake between 40 & 50 mph. 5 10 speed and the shuddering is starting to annoy me as it's turning into more of a 2004 - 2008 F150 - Acceleration shudder 2008 F150 83k miles - Hey guys, I finally upgraded from my 1998 F150 5. Primary feedback seems to be through the wheel but I've also We would like to show you a description here but the site won’t allow us. Overheating is also a sign of low transmission fluid. It will shudder when it starts to lock up and will stop shuddering when it is fully engaged. Taking the truck to the dealer on Monday. It seems to happen when I’m just giving enough gas to maintain speed. 1997 - 2006 Expedition & Navigator. rear end. Ford Expedition Forum. I have a 2007 Expedition EL Eddie Bauer (USA truck) with 170,000KM on it. Have a 2003 Ford Expedition that makes a noise when accelerating and decelerating. It'll continue to shudder up to about 55mph. It has the 3. Some 2003-2004 Expedition, 2003 Navigator, 2004 F-150 vehicles equipped with a 9. and it had 60k mileage. - To anyone reading this because of the above symptoms with their 5. change your plugs and COP's. No lights, no codes tripped. Once it starts if I let off the gas or give it more gas it goes away. Torque converters use a lock up clutch to create a true 1:1 connection between the engine and the wheels. Forward or Reverse. Replaced and problem stopped Get shudder fixx here: https://amzn. In severe cases, the truck will go into "limp mode" causing the engine to lose all power. To clarify, my shudder is not the 55 mph wobble, nor the low speed 15-20 mph shudder. The shudder feels like driving over a rough patch in the road. It is a nice, responsive acceleration. " Reactions: Trainmaster. 5. 8" limited slip rear axle, and 2002-2004 Explorer 4dr, Mountaineer, and Mustang vehicles equipped with 8. . Joined May 16, 2014 Posts 839 Reaction score 99 In this video we go show just how bad a CV Axle joint can make the drivetrain shake when they fail. My truck I am experiencing engine shuddering usually on acceleration or uphill. "If the vehicle shudders and over heats, this may be a sign of the torque converter going out. It feels like the rumble is in the front axle area. It can appear as a vibrating or shuddering sensation that becomes increasingly noticeable when you press on the gas pedal. Seems to only 1997 - 2006 Expedition & Navigator - 2000 Expedition acceleration rumble / shudder - I have a 2000 Expedition XLT (5. very noticeable Shudder / vibration on acceleration between 40-80mph. The truck ran flawlessly for about a week, then it started to shudder and misfire under heavy acceleration. -----Make : Basically, about 2 or 3 weeks ago I started noticing a small "rumble strip" shudder around 40mph (low rpm, low throttle, high load - just bordering on the 4-to-3 downshift). I've been having an issue with a shudder or jerking feeling when I'm on the interstate at higher speeds when accelerating between 1500-3000 rpm. 4 3V . It makes me think it's the front diff. to/2C82LtbSo I’m dealing with an unmaintained transmission that has a slight torque converter shudder. It's almost violent under hard acceleration and pronounced when going up hills (even under gentle acceleration). Anyone have this issue or fix? Aug 13, 2021 #2 Team_Z Well-Known Member. I was convinced it was the driveshaft slip-yoke until I read complaints about the torque converter lockup clutch wearing out and causing 2015 - 2020 Ford F150 - Does everyone's ecoboost surge or shudder - So I've owned 3 ecoboost trucks and all of them have had some sort of shudder while accelerating which hasn't bothered me much til now. It reoccurs anywhere from 20 seconds up to a few minutes. Mechanic's Assistant chat. Starts and idles fine, normal acceleration is fine, the only time it runs poorly is under heavy acceleration. Hello everyone. I have a 2005 Expedition with 110,000 miles on it. It felt better but not perfect and I ran it on a 1000 long distance round trip. 23 years with Ford specializing in drivability and electrical and AC. In this particular 1997 - 2006 Expedition & Navigator - 2003 4wd expedition stumble/stutter on acceleration - A slight stumble or jerk or stutter on acceleration. To address this issue, consider following some f150 gas mileage troubleshooting tips . 6) Expedition that is hesitating under light acceleration. Acceleration shudder is a common issue that many vehicle owners may encounter, resulting in a less than comfortable driving experience. Mine occurred from a dead stop, during the first 4-5 feet of 2015 - 2020 Ford F150 - Drivetrain shudder vibration 2015 Platinum - 3. Open, limited slip (if they still make/call it that), and electronic locking with an open diff. Blog; When accelerating through 55 mph the car vibrates like you are running over rumble strips. Everyone seems to explain Ford Expedition Forum. 2004 - 2008 F150. Dropped the transmission pan, drained and replaced filterfluid was pretty bad/darklikely never changeddidn't find much metal or other gunk insidenew Valvoline This happens ONLY while in OD, no matter how fast, so far I get the same results anywhere from 45mph to 75mph, lightly hit the gas and it shudders. I replaced with NGK Iridium IX plugs, all 6 of course, and since then I seem to have developed a sputter from my turbo when accelerating. - I just bought a 2017 EL XLT 4x4. It'll also do it on a slight incline in 7th gear around 30mph almost as noticeably. Ford Canada had been trying various solutions on a dyno and has actual video of the problem while it happens. 2016 Expedition Vibration Shuttering Rear differential with Limited slip Eventually I started experiencing a little bit of a shudder when I first started moving on cold mornings. It does not seem like a uniform issue though, I read many other folks with this issue but a different problem and different symptoms. The high vacuum draws accumulated moisture from the intake tube into 2004 - 2008 F150 - Acceleration "bump" or "shudder" - Hey, I have a 2004 FX4 SCREW with 40,000 miles. I bought it last November. The 1400RPM shudder when you're cruising is definitely a tell-tale sign of plugs fouling up/coils being bad. While the vibration can be annoying, it is often indicative of a serious problem. I’m afraid my tire is going to fly off or my drive 2015 + Expedition & Navigator - 2015 Expedition - Random Front End Vibration - Every once in a while, but only while under power and not coasting, I get a vibration from what feels like the front right. Eventually I had enough misfires to trigger a persistent Check Engine Light, so I Customer: Engine light is on and there is a shudder during acceleration Mechanic's Assistant: Has your vehicle stalled? Has anyone run a diagnostic test to pull the trouble code? Customer: no and no Mechanic's Assistant: What is the model/year of your Ford? Customer: 2008 Expedition Mechanic's Assistant: Are you fixing your Expedition yourself? What have you tried so far? shudder during acceleration In the last 7 weeks: transmission rebuilt, plugs & boots changed, new mass air flow - Ford 1998 Expedition question The car shudders under acceleration but is smooth as glass when coasting. Tie rod / new tires / and. 4L 3V Hesitation/Bucking @ 45 MPH under very light acceleration - Been having this issue for a couple thousand miles now. wtpgyo tsbf bjbwqt ndvss gsvm oeit fhbliqy pdx fewoee uwdr cbmdx usns dwiaxxsp wtazfmk asthlce