car runs rough at 45 mph

Why is My Car Shaking and Engine Losing Power? - Medium Is it a chance that the whole batch of plugs may have been defective? If he cycles for 6 hours, how far does he travel? 10-15 mph, Rough Idling there are no scan tool codes that havent had the parts replaced. If so, the problem may be with the power steering system. In many of these cases the problem has been with . When car feels like its jerking, surging, bucking, or stuttering after you step on the gas pedal, its usually a result of inadequate fuel, air, or spark during the combustion process. If your car jerks when accelerating, it can be an indication of several current or potential problems. Alternatively, you may have a clogged fuel filter thats restricting the flow of fuel which also can cause issues as fuel delivery is inconsistent. Posted by Anonymous on Sep 27, 2008 Want Answer 0 Oil lubricates the engine, and is an essential part of your vehicle. Was this resolved, am facing the same problem with my Audi A3. The noise you heard could have been the engine knocking due to a lack of engine oil. Can a car jump start with a bad fuel pump? Related: 5 Symptoms of a Bad Driveshaft (& Replacement Cost). My first thoughts were Fuel Filter, and Catalytic Converter. While most cars on the road use drive-by-wire electronic throttle control to accelerate, a physical accelerator cable (or throttle cable) are still found in many vehicles. What can be the possible problem? This article applies to the Mercedes-Benz C-Class and C-Class . I have a 97 f150 and it did the exact same thing after it was up to the mirrors in mud. I am stumpped please help Posted by phyliciak on Mar 19, 2012 1 Answer Howard Pfeiffer Chevrolet Master 1,249 Answers. 3. Spark Plug. The most common cause of a car shaking while driving is damage to the wheels or unbalanced wheels, and therefore it is also the first thing you want to check. However the vehicle is still running roughly around 45 mph, when I normally increase the speed. The check engine came on once but after turning the truck off, the issue cleared and never came back. I drive a Polo vivo 2012 model. A co worker of mine had her car jerking, and she wasnt able to get it over 15 mph, up hills it had trouble with the gas pedal floored. Ive got a Nissan Versa Note that only jerks from a dead stop till I get to about 30 or 40 mph at higher speeds on the highway it will start to fell like it is hesitating, any thoughts on that? Low or high air pressure can cause a whole slew of problems for your tires too. Over time, this accelerator cable can wear out. However, the injectors can be so fouled up with carbon deposits that even the best fuel injector cleaner may not do the trick. Hi, my name is seun, my car is nissan almera 2013, just 4 days ago i was going to see my mum, immediately i drove out of my compound, i discovered that i cant accelerate, when Im on brake, my car will start a low jerking and after a little while it will stop. 2WD. You must also inspect the brake rotors and suspension parts for any damage. Running rough with codes P0300, P0302, P0304, P0306, P0308 Random Misfire, Also VSC warning light is on. Thanks in anticipation for a positive response! Okay, so hopefully you have another vehicle to get around in. One of the most common causes is also one of the easiest to identify and fix. Somewhere the fuel drop then suddenly rpm decrease better check the complete fuel system from tank to injectors also . Nothing is coming up on my panel and I dont want it to get worse. What are the common problems for this to happen is it normal!!! The average replacement cost for a fuel pump is $450.However, the price varies between $250 - $1000 depending on your car's make and model.. 4. Cold weather misfires and CEL, common issues $50 fix! The only thing that worked, albeit temporarily was a spark plug replacement. You should not have any more than normal repairs with this vehicle. . All Rights Reserved. If the car is traveling 40 mph and the speed suddenly falls while the engine continues to rev, the transmission probably is to blame, especially if pushing the accelerator has no effect and the car continues to slow down. Hi my Audi A3 jerk when I press the accelerator sometime it drive ok but it will do the jerking I put more acceleration, I have put on plugs nd charged coil packs but still does the same, any advise posits annoying, hi my Peugeot 207 1.6 manual has a problem when it gets to 2000rpm it hiccups a lot ,we,ve changed the fuel pump but it still doing so we even tried to unplug the sensor on the acceleration pedal but it still doing the same thing please help, My suzuki swift 2015 has this problem. . Replacing the fuel filter is a fairly simple and inexpensive process. Top Reasons Your Car is Not Driving Smoothly - AAMCO Colorado I have changed plugs, maf sensor, leads, coil pack and its no different, any ideas to point me in the next direction would be greatly appreciated. If its a petrol motor you may want to check the spark plugs. Good evening! If it feels like the car is slipping or losing power, it could be a transmission issue. What you may have be thinking the problem is, please? If I let it idle for a few minutes it would eventually pick up and would be OK for the rest of the day. These axles must be well balanced so as not to create vibrations or shakes while driving. Vibrations that come in and go out repetedly at the same speeds or conditions are normally drive train related and the most common are drive shaft or U joint issues. I notice this most when I am in traffic. That button can be inside the glove compartment or on the dashboard on a Lincoln. It is certainly possible that the (pre-cat) O2 sensors were leaning the engine out. If You didn't say which exact timing codes were set, but these codes can also be set by a faulty camshaft (https://www.yourmechanic.com/services/camshaft-position-sensor-replacement) or crankshaft sensor (https://www.yourmechanic.com/services/crankshaft-position-sensor-replacement). I wouldn't say the vibration is violent but you can feel it through the seats and body of the car, don't really feel anything in the steering or handling. Sometimes the problem isnt the brakes or the wheels; the engine causes it. Most apparent when coming up to speed on the highway or slight acceleration at highway speeds (>60 mph), engine revving between 2k to 3k rpm. Long story short in my experience spark plugs can be a reason for misifing in a VR6 even if the first mech didnt install the new ones right. Helpful article, thank you. The mechanic reset the code and the scan shows normal all. 5. I took it to the mechanic's and he found and fixed a leak in the intake manifold. While driving, it feels like your vehicle jerks or shutter when accelerating. Im really not sure what it could be, Im hoping the noise will help narrow it down. If so, what codes are stored? If the power steering fluid looks black and worn, it may be time to change it. The computer then instructs the fuel injectors to provide the right amount of fuel at the right time for proper air/fuel mixture. Rebuilding a damaged engine may be a more economical option than full replacement. Clogged Catalytic Converter. Ive tested over 9 aftermarket brands for replacement CKP sensors from accessible online and regular auto parts stores and found the DENSO Sensors to be the only ones to work properly on NISSANS. like for my issue car runs good but when I press the gas pedal itll go but once at a certain speed like after its warm 20 mph itll act like its in neutral but I let off and touch gas pedal itll go but get to say 45mph it does it again Now I thought mayb the valve cover being bad and me having oil and coolant tanks smelling like gas could also cause it to do that but not sure Ive thought bout throttle body sensor as well but I know plugs didnt have no oil on them as in they were tanish color when I pulled them so Im in a issue and dont know what else could cause that to do that Does anyone have any type of advice to help me out here I need to get issue fixed I blew motor up n my 99 honda civic ex coupe few days ago my 04 is my girls car and our back up car that we have to daily drive plz and ty. I have a 2009 Hyundai Sonata v6 87k miles, when it shifts into second it feels likes the front end bogs a little and it pulls the car back the rest of the gears are smooth for how old the car is. However, it can be disabled both temporarily and permanently (it can be enabled You can get a key for the vehicle at a dealer or a locksmith, just be sure that it's a PASS-key III+ which is denoted by a plus symbol in a circle. On this episode we reveal a common source of faults that can cause a rough idle or at times a stalling condition, and. I have a 99 Pontiac sunfire with a 2.2L. I had the injectors and throttle cleaned. V8. Next time I am just going to buy the remaining six COP's and replace them myself, so that they will all be new. Sometime dirty parts can also be the root cause of a rough idling engine. 11 Causes of a Car Losing Power While Driving Up Hills Could be an issue with one of the accessory pulleys or belts too I suppose, or maybe even something inside the engine. Having the throttle body cleaned as and a fuel induction service may help as well. However, if your car still shakes when you let off the throttle or put the car in neutral at higher speeds, it is more likely that unbalanced wheels or a bad wheel alignment are causing the problem. I have a 16 Tucson. It also lacks in picking up speed to when trying to drive from a stop light or stop sigh. 2013 Hyundai Elantra Runs Roughly, Shaking And Vibrating More than likely, PH Jr. is enjoying the false high of thinking that treating his vehicle to premium fuel is actually working. You could try performing a leak down test and see if any of the air escapes into the cooling system. Dirty Fuel Injectors. Like Bill said the CEL isn't easily tripped with a slight miss, experienced this many times. Engine Troubleshooting: Surging or Misfiring - LiveAbout A vacuum leak is when there is air entering the motor from unwanted paths. Shut the engine off, even just long enough to fuel-up, and it starts up and runs fine again in every respect. I would begin by inspection and cleaning our EGR passages. If the car shakes more when you press the brake pedal, thats a strong sign that the brake rotors are causing it. Took it to auto zone to get a diagnosis and the Egr code came up as well as fuel system lean please help. 6. 8 Reasons Your Car Is Shaking While Driving & How To Fix It - Mechanic Base The engine is misfiring as well. The most common cause of your shaking car is damaged tires or rims. At normal city driving speed, 45-55 mph, Big Red (that's her) tends to shudder a bit. 2023 Make sure all spark plugs were torqued correctly inside the head. 9 Reasons Your Car Jerks When Accelerating (and How to Fix) Hesitation at around 45 to 50 MPH when you go to accelerate Hello, I started getting a hesitation/bucking in my 2001 F150 SCREW 5.4L 96,000 miles. Carburetor Problems. Air Filter is clean. Personally I think alot of our issues may have to do with the quality of fuel we are using. Here are 20 common reasons why a car shakes when driving over 70 mph: Out-of-balance tires Misaligned wheels Uneven tire wear Wheel runout Faulty brake system Worn parts Low tire pressure Resonance in the exhaust Starved engine Overworked powertrain Shabby suspension components Bad CV joints Excessive lifts Failed spark plugs or spark plug wires When I start my car to gear 1 and 2 it starts to vibrate,but gear 3 it does not vibrate,soon as you go back to 2, its start again,the vibration its on underneath on left hand side,please help. Check the condition of your air filter. engine - Truck shaking at certain mph or when under load - Motor It might be blocked; you will need to take it to the mechanic. the care is not overheating though. Don't fret because with help from this article, you can find the cause and handle it. I replaced 4 new spark plugs set the appropriate gaps. It acts as a mechanical link between the gas pedal and throttle plate. Car Rpms Fluctuate While DrivingI've noticed a small fluctuation in the AUTOMATIC. Vauxhall Corsa D 2007 1.3 CDTi - Engine doesn't pick up and runs rough Ford Fusion Car Will Not Accelerate Problems Car runs rouhg at 50 mph When I reach speed of 45 mph to 50 mph the car starts to run rough - when I put on diagnostic machine the engine shows no sign of problem with injectors or plugs. Truck shudders between 45 and 55 MPH - Car Talk Community I recently got the cars transmission serviced by the dealer they reset the ecm and flushed the trans and it felt good for a week then all the same things started coming back. When you put new plugs on, make sure you got the firing order correct. Alternatively, theres a chance sediment from the bottom of your fuel tank got sucked up and it may be clogging the fuel filter. i took the car to auto zone and the device gave codes saying all 4 cylinders were miss firing. Therefore, if you experience that your car shakes while driving and at the same time you have a check engine light on the dashboard it is definitely time to read the error codes from the engine control unit. If your car wobbles, it is usually due to bad suspension bushings or a bad wheel alignment. Here is my story, hopefully done now. The gasoline clot stuck inside the gas tank, impedes the fuel to reach the engine. My car has 163000 miles. I replaced the carburetor fuel pump plugs and radiator . In this guide we talk If the actual idling speed varies from the target idling speed by more than 200 rpm five times or more during a drive cycle, the ECM illuminates the MIL and sets the DTC. Advice. In the future, please include the codes as they can help use pinpoint and give you a more accurate answer. If your car is making a clicking noise when turning, it is likely you have an outer CV joint (constant velocity joint) that has failed because of a torn boot or old age, most likely a torn boot. When the car is not in motion it jerks slightly and stop. In those cases, youll have to either have to take the injectors out to attempt to manually clean or simply replace them. What is the cause and remedy? No more hesitation!!! (Low & High Speeds), Car Shakes When Stopped or Idling? That would be a great place to start. This is a 2013 Hyundai Accent GLS 1.6 (July Manufacture Date Code) it has about 145,000 miles on the odometer. P0138 code definition O2 Sensor Circuit High Voltage (Bank 1, Sensor 2) What the P0138 code means P0138 is the OBD-II generic P0412 P0412 code definition Secondary Air Injection System Switching Valve A Circuit Malfunction What the P0412 code means P0412 is an OBD-II generic code that the engine control module (ECM) got input from the air injection system driver that the P2158 P2158 code definition Vehicle Speed Sensor 'B' What the P2158 code means This trouble code indicates that the powertrain control module has detected a variation in the reference voltage of the vehicle speed sensor 'B' in reference to the Computer shows misfire cylinders and timing advanced banks codes. Car jerking is a common problem with many different factors that can contribute to the cause.