car runs rough at 45 mph car runs rough at 45 mph

Trouble code P0455 (https://www.yourmechanic.com/article/p0455-obd-ii-trouble-code-system-gross-leak-evaporative-emission-by-john-nelson) is for the emissions system of the car and the only effect it will have on the car is the fuel economy may go down slightly and the car will pollute the air a little Engine misfires can be caused by a list of problems, but there are a few suspects that occur more than others. OBDII code was o2 pre-cat bank 2 (cyl 4,5,6), and paid $400 (200/200 pt/lbr) to replace. In this article, well take a look at the most common reasons, and how to fix them. So I paid to have them replace. If the power steering fluid looks black and worn, it may be time to change it. Pay attention to any jerks or stutters, particularly while accelerating under a load, as a symptom. If you dont remember the last time you replaced your spark plugs, it may be a good idea to get them all changed out. 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. What is the cause and remedy? I replaced the carburetor fuel pump plugs and radiator . These axles must be well balanced so as not to create vibrations or shakes while driving. The fuel pressure regulator may be operating at low pressure. Your Car Steering. As you read this article, youll notice an improper air/fuel mixture is often the culprit if your car jerks or sputters when accelerating. The most common reason why a car is shaking when driving is due to damaged or unbalanced wheels. Carburetor Problems. A rough-running engine is a real drag because you generally have to deal with misfires, stumbling, poor idle, etc. Brlow 45 mph the car runs great. 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. Ive got a 98 Dodge Dakota V6 automatic, when driving it randomly jerks usually around 50 or higher. That imprint is the correct sensor any Nissan with a VQ35DE Engine. Misfiring Cylinder after replacing the plugs three months ago. How do I permanently disable the rear view monitor system? It can also happen due to misfires caused by worn ignition parts. 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. Should I be worried if my car is shaking? My car started shaking while driving and hitting 40-45 mph. Fule flow and filter have been changed. Our certified mechanics come to you Backed by 12-month, 12,000-mile guaranteeFair and transparent pricing. If I let off the gas pedal, the vibration will stop. Hi I have a 1998 Honda Civic coupe dx my car keeps jerking at a speed to 30mph to 40mph and my car does not pick up the speed until about a good 20mins and still doesnt accelerate like its supposed to and cuts off in the middle of driving my car I put a new radiator in and I put new spark plugs in it and it just started to act like that after I drive from Marion to Columbus I got there and I went in the store and come back out try to start it it started but cut back off then I started it and I put it in reverse remind you my whole car is jumping engine is jumping crazy before i got there it was fine and it was fine when I purchase it 2 weeks ago then outta nowhere its been acting like now and only had my car for 3 weeks now. However, there are other things that can be the cause. Are you saying the jerking occurs when you hit 3,000 RPM? SOURCE: when im driving about 45 or 50 mph my truck starts mcdevito75 here, It could be a dirty gas filter, weak fuel pump, fulty needle valve in the carb. When it comes to unbalanced driveshafts, it can be very difficult to determine which driveshaft is causing it, and therefore it may be wise to get help from someone who has dealt with these problems before. Some drives itll do it barely once and others the engcaleine will pop, truck dies or it just keeps jumping around. So I used my scan tool to get a list of codes. I had the transmission fluid changed a few months ago and the mechanic said there were no shavings in the fluid so the transmission is good. If you notice your car surging forward or jerking at high speeds, it may be due to a mass airflow sensor (MAF) that is failing. Its most likely a misfire. 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. I was beginning to think I was losing my mind. More than likely, PH Jr. is enjoying the false high of thinking that treating his vehicle to premium fuel is actually working. When a car starts jerking as you accelerate it, there is undoubted that it's usually a sign of an impending issue. Was Told Why Is My Car Accelerating Slowly? Be sure to take it to a trusted mechanic to ensure the replacement is done right. . For what the dealer charges to diagnose and replace two I can buy the remaining six for anyway. I replaced spark plugs all but number 3 today didn't change anything, change tps nothin, changed air tempature sensor and no change. It reoccurs anywhere from 20 seconds up to a few minutes. Elantra GT 1.8L Dohc Inline 4 Cycle Automatic transmission 45,676 miles Rough idle issue has become more frequent and worse and impossible to ignore. On the other hand, the cause for a misfire can be as simple as a loose vacuum hose. First Id scan for codes to see if that gives you any indication of the issue right away. 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. Blocked Fuel or Air Intakes. 2006 Acura MDX 135,000 mi, Visitor Shuddering usually between 25-40 mph when slightly depressing gas pedal, cruising or slightly accelerating. Injectors and plugs sound most reasonable right away. 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. Have you ruled out the possibility of a bad motor mount or transmission mount? I replaced spark plugs all but number 3 today didn't change anything, change tps nothin, changed air tempature sensor and no change. If so, what codes are stored? When was the last time the spark plugs were replaced? I am stumpped please help Posted by phyliciak on Mar 19, 2012 1 Answer Howard Pfeiffer Chevrolet Master 1,249 Answers. You may be able to unclog minor blockages by first using a good catalytic converter cleaner. One of the spak plugs was washed and the rest were not washed or removed. I had two bad COP's (cylinder 2 and 3). If that were true, then that manufacturer would tell owners to use premium fuel. If I accelerate fast, the car doesn't run as bad though. If your car starts to shake when driving at a constant speed or shakes occur during acceleration, chances are the problem is with the engine and not the suspension. Its job is to measure the amount of air entering the engine so it can relay this info to the cars computer. Drivers can use engine braking to slow the speed of their engine and vehicle. Read on! This will cause the car to respond more slowly when you press on the gas and it lurches instead of providing smooth acceleration. How long ago was the vehicle in the shop? Then you need to balance the tires and the only thing you can do is with a wheel balancer machine. I found my 02 beginning this same problem intermittently at about 37k. The idle air control valve was my first thought for the issues when the car is not in motion, but the idle air control valve shouldnt affect the car while its moving. 5 Symptoms of Unbalanced Tires & Tire Balancing Cost, steering wheel shakes when you press the brake pedal, Car Shaking When Braking Common Causes & What to Do, Why Is My Steering Wheel Shaking While Driving? It is also possible there is a fuel supply issue: clogged fuel filter, weak fuel pump, fuel pump relay with burned contacts, or a fuel pressure Hi there. You can usually see damage to the cables outer coating when examining it, making this problem easy to diagnose. If it feels like the car is slipping or losing power, it could be a transmission issue. I hope you enjoyed this article and now have all the knowledge you need about shaking cars and now can decide if you want to diagnose it yourself or take it to a mechanic for a look! A catalytic converter is responsible for reducing the amount of pollutants that exit out of a cars exhaust. I drive a Polo vivo 2012 model. 79K views 5 years ago A car running rough can be tricky to diagnose. 135 miles 45 mph = 3 hours Example Question 2 Chris cycles at an average speed of 8 mph. Make sure all spark plugs were torqued correctly inside the head. On this episode we reveal a common source of faults that can cause a rough idle or at times a stalling condition, and. I replaced 4 new spark plugs set the appropriate gaps. What manufacturer would allow their vehicle to be driven with driving problems that could be solved simply by using a higher octane fuel? When the car is not in motion it jerks slightly and stop. Changed spark plugs, plug cables and trans filter. During the combustion process, a good spark is needed to properly ignite the fuel in each cylinder. The engine is misfiring as well. It sounds like you have a real bad vacuum leak (https://www.yourmechanic.com/article/is-it-safe-to-drive-with-a-vacuum-leak). 2023 CarTreatments.com. 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. The Fuel Injectors had been replaced in the fall of 2021, So I pulled those and cleaned them thoroughly. No, its not recommended to drive a car while shaking until you diagnose and figure out whats causing the issue. The brake pads and rotors will wear out over time and need to be replaced several times during the life of the car. But dont worry its not always a sign of something serious. Another common cause is improper tire balance. Car is running rough at 40 to 45 miles per hour 1994 Cadillac Seville Asked by Joej in Elkin, NC on October 31, 2009 The car misses at 40-45 in overdrive change to drive 3 and it quits any insight 1 reply Report Answer Popular Answer Oakman on November 03, 2009 A secondary ignition misfire can cause the conditions you are having. I have the same problem dont d yet u find a solution? All Rights Reserved. lexus es 300.. with 220k 0n it.. the prolblem is check engine is on.. codes po 300 200 400 600 mis fire codes . Since this vehicle has a v-shaped engine, there would be two Banks of exhaust. Picture yourself driving a 50 mph. Why does it jerk when changing gears? Balancing the wheels is often not that costly and will solve a shaking car in many cases; however, you may want to inspect the other things first also. Next time I am just going to buy the remaining six COP's and replace them myself, so that they will all be new. 2WD. You can avoid this issue altogether by ensuring your cars parked in a garage or other protected location. If I let it idle for a few minutes it would eventually pick up and would be OK for the rest of the day. Any codes? Pls my car use to vibrate on dash bord especially when I put on acc. A clean filter can drastically improve the lifespan of your cars engine, including reducing or eliminating the acceleration jerks. Youre right. A damaged cable requires immediate attention, as the car can stop functioning when the cable breaks. 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. 3. You will want to liberally and selectively spray it in suspected areas. You must also inspect the brake rotors and suspension parts for any damage. Is there anyway to confirm that it is the computer? He said flow senors. Faulty brake rotors are another thing that can cause vibrations and shakes while driving because the brake pads are always pushing slightly against the brake rotors. You must inspect all bushings, tie rods, and other parts that make up the suspension system. Pls help me. when i engage cruise control at 50 mph it smooths out. Having high cylinder compression is critical for giving the engine enough power to get the vehicle up a hill. Have Done A Full Tune Up And Changed The Fuel Filter. One of the most obvious signs that your engine has a problem is stuttering while. Is this normal? Can you tell if that kick is coming from the transmission? It will eventually. One big thing to note is that water and electronics are a bad combo so there may be some electronics damage including sensors. Could be something as simple as a vacuum leak or a clogged catalytic converter. However, if the car doesnt shake more when you press the brake pedal than when driving normally at higher speeds, it is not very likely that it is due to bad rotors. 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). My car shakes from 60kmh and below in a smooth road above that it's ok ,what could be the problem? What you may have be thinking the problem is, please? What check engine light codes are you experiencing? You could try performing a leak down test and see if any of the air escapes into the cooling system. Due to the fact that a shaking car is most likely caused by something out of balance, such as the wheels, brake rotors, or a drive shaft, it can be quite difficult to find the problem without the right tools. Related: Car Jerks When Braking or Idling. My car is doing the same thing right now. Check your battery terminals and main engine grounds. When this occurs, there is an internal vacuum leak created by the EGR valve. The surging you feel while under light throttle, which is what is happening at a cruise, is due to a lean condition. I am lost. 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. Personally I think alot of our issues may have to do with the quality of fuel we are using. Youll also want to make sure the power steering fluid is full and look for any leaks around the driveshaft boots, which could be a sign of a bad CV joint. The first thing you need to do is get that code scanned. 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. Okay, so hopefully you have another vehicle to get around in. I have a 16 Tucson. You can also hear as the engine stutters from inconsistent fuel intake. 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. Hi I have an issue with my toyota belta when I press on the accelerator paddle the car jerks for a while and becomes stable during the third gear upwards. Sometimes it feel like the car is being pulled back when i am pressing gas. But once the car is brought up to highway cruise type speeds, a few cars are still triggering the CEL along with P0171 & P0174. I took it to the mechanic's and he found and fixed a leak in the intake manifold. Here is my story, hopefully done now. It sounds like there are several issues with the car, so its hard to say why there would be gas in the coolant. RELATED: Car Shaking When Braking Common Causes & What to Do. The fix: Check fuel pressure with a fuel pressure gauge. The fact that the car is jerking makes me thinking is was being driven through water. In that case, water may have been sucked in from the intake into the engine (check the air filter for dampness). Your car has two motor mounts in the front and one transmission mount at the rear. 9 Causes of a Rough Idle (or RPM Running Too High . Was this resolved, am facing the same problem with my Audi A3. There is also a loud running noise coming from somewhere that I only hear when ideling. 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. costs, Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, The statements expressed above are only for informational purposes and should be independently verified. If they are too low on the other hand . The ignition timing may be set wrong. Your engine needs to take in air to start the combustion process in the engine. More information: 7 Symptoms of Bad Brake Rotors & Resurface Cost. Two shade tree mechanics on my block thought it was a problem with my vacuum control valve, not the . owners, Over 25,000 topics, from beginner tips to technical What could be the cause of the jerk. My audi a3 car is just starting to jerk while driving it I dont know if its because around my house it was flooded with water, after the water has dried off, I started the car and a lot of water came from the muffler, the jerking problem has started 3 days after the floodwater came from the muffler. What Could The Code Read Retrieval/Clear Mercedes-Benz C230. It also lacks in picking up speed to when trying to drive from a stop light or stop sigh. Dirty Fuel Injector. It took a little while but when I could no longer afford premium my cars symptoms came back. 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. They must be super stable with no play; otherwise you will notice major drivability issues with your car. I drive a Polo vivo 2012 model. The check engine came on once but after turning the truck off, the issue cleared and never came back. When the air/fuel mixture in your engine is too rich, a blockage can develop in the catalytic converter over time which disrupts the airflow of the exhaust system. Have a certified technician, such as one from YourMechanic, come and assist you with diagnosis and repair of your cars rough running at high speeds. While driving, it feels like your vehicle jerks or shutter when accelerating. Is the check engine light on? But dont change these components until they have been inspected and found to have problems. My car is that noisy car in the drive thru. Once it starts if I let off the gas or give it more gas it goes away. AUTOMATIC. Also, if carbon has built up in your intake, throttle body, and EGR valve parts, this may cause the problem you are experiencing. I have a Sharon VR6 although a Passat engine with sensor. If you havent changed your tires in a while or you know you had a minor accident with a curb its definitely time to do a thorough visual inspection of your tires and wheels. It will first happen around 45-50 mph and again at around 60 mph It also happens when under additional load, such as driving at a constant speed up a hill. I actually picked the truck up after they fixed the first one and it still hesitated, so they went back in the memory and found the second fail. This moisture will cause the engine to misfire, thus your car will jerk when accelerating at low speeds. 4 new coils, 1 Camshaft position sensor, A new Fuel Pump Assy With fuel filter, 1 Upstream and 1 downstream or( Bank 1 Sensor 1, Sensor 2) Oxygen sensors. Once you start experiencing low cylinder compression, your vehicle will always be struggling on an incline because the engine power won't be strong enough to push it up there. It loses power once I step on accelerator pedal. Local minivan operates a bus from Hat Yai to Songkhla hourly. On colder days, condensation can form under the distributor cap. what does it mean when your car jerk when stop than you go it jerks a lil no engine light or nothing on any suggestions. costs, Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, The statements expressed above are only for informational purposes and should be independently verified. Thanks for the help so far. The computer then instructs the fuel injectors to provide the right amount of fuel at the right time for proper air/fuel mixture. I am assuming this is an automatic transmission. Took it into the shop and the mech told me that 2 of my spark plugs were misfiring. Does your vehicle require premium fuel according to the owners manual? My 2000 Toyota corolla jerks and sometimes switches off while driving. These problems can arise either from just the age of the tire or from a minor accident. 6. I have a 2004 Serena when i drive slow or fast i am getting a jerk. Hi my name is Christyshow I have a 2012 Honda Accord and Im having similar issues with my car. What are the common problems for this to happen is it normal!!! Please see our. it runs fine but when I try to get up to speed it starts running rough and I can't keep it at 45 mph it starts to idle bad at 2500 rpms the Car had new plugs and wires. How many miles are on that transmission, and have you noticed jerking in any other gear? New flow senior installed.did dianostic. 2 days later when I picked up my car it drove good around town but when I got on the highway it started doing the same thing. when i put in cruise control it smooths out. Hello. I have new tires and wheel balancing already done. I also had a VR6 years ago and ran into the same issue. When the correct amount of fuel is not being delivered to the engine, its often best to start at the beginning. Hi I have a 1988 ford f150 5.0 5 speed just got it out of the shop and when I was driving home it started jumping and then would run fine then jump again badley just had new distributor new sensor relays so what could be causing this.