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

Thanks in advance. I notice this most when I am in traffic. Truck feels like it is going over rumble strips, only over 40MPH Can you describe the noise youre hearing? [SOLVED] Car Starts Rough Then Smooths Out - The Grumpy Mechanic But once the car is brought up to highway cruise type speeds, a few cars are still triggering the CEL along with P0171 & P0174. These are the most common causes of this kind of problem, but far from every possible reason. I drive a Polo vivo 2012 model. I have a 97 f150 and it did the exact same thing after it was up to the mirrors in mud. Also when I put on my air-condition the engine goes off. 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. My first thoughts were Fuel Filter, and Catalytic Converter. What manufacturer would allow their vehicle to be driven with driving problems that could be solved simply by using a higher octane fuel? 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 turned over after a second key turn with 3 clicks and I drove away. 5 Reasons Car Won't Accelerate but RPMs Go Up Automatic When a car starts jerking as you accelerate it, there is undoubted that it's usually a sign of an impending issue. While not a common point of failure, its worth considering while you troubleshoot. I Changed The Air Filter Changed The Oil And Did Spark Plugs With Wires, Car Was Running Nice With Good Power No Why is my check engine or service engine soon turned on? RELATED: Wheel Bearing Noise Causes & What Does It Sound Like? Unbalanced Tires When driving at speeds between 45 and 60mph, shaking may occur in the steering wheel due to unbalanced tires or uneven wearing of the tires. Unit 18 Section 2 : Calculating speed, distance and time - CIMT If the car shakes more when you press the brake pedal, thats a strong sign that the brake rotors are causing it. If your car shakes while driving, it can be an unsettling experience. Flat rate pricing based on labor time and parts, Hand-picked, community-rated professionals, Trusted mechanics, rated by thousands of happy car Unless you are constantly watching your speedometer (instead of the road), your speed is probably going to drift up and down a bit. It could just be an unbalanced tire, which is often not that serious to drive with, but it can wear out suspension parts in the long run. What can be the possible problem? lexus es 300.. with 220k 0n it.. the prolblem is check engine is on.. codes po 300 200 400 600 mis fire codes . Over time, they will wear out, and this will create play in the bushings and ball joints. It stands for: P0301: Cylinder 1 Misfire Detected. Misfiring Cylinder after replacing the plugs three months ago. Im really not sure what it could be, Im hoping the noise will help narrow it down. I was told that it was 3-4 clutch and I need to have the trans repaired. The correct sensors can be recognized with the imprints similar to A29-662 L41 SGI B002 1707A4. Comment Flag Magnus is the owner and main author of Mechanicbase. Helpful article, thank you. You will also often hear a loud noise when driving at higher speeds when your car is suffering from a bad wheel bearing. In those cases, youll have to either have to take the injectors out to attempt to manually clean or simply replace them. 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. Drivers can use engine braking to slow the speed of their engine and vehicle. A dirty air filter will allow some particles to get into the engine, which in turn will affect performance and cause jerking. If your car shakes while driving, it can both be a sign of something serious and something less serious. Now at 67k, 2 visits to seperate mechanics, a trip on the dyno, nobody seems to be able to diagnose my issue. 11 Causes of Car Losing Power When Accelerating (Gas & Diesel Engines), Top 6 Causes of a Car That Wont Accelerate, P0520 Code (Symptoms, Causes, and How to Fix), Death Wobble (Common Causes and How to Fix It), P0452 Code (Symptoms, Causes, and How to Fix), 9 Best Car Buffers and Polishers (Use What the Pros Use), 5 Symptoms of a Bad Fuel Tank Pressure Sensor (and Replacement Cost), Why Your Car Jerks, Lurches, or Stutters When You Accelerate, 9 Reasons Your Car Makes a Rattling Noise While Driving. Is there anyway to confirm that it is the computer? You may be able to unclog minor blockages by first using a good catalytic converter cleaner. If I let it idle for a few minutes it would eventually pick up and would be OK for the rest of the day. So whether youre dealing with a shaking car while driving at high or low speeds, weve got you covered! If the damage is bad enough, you may also notice your engine running rough while driving. I have this issue and did all of the same things to correct it. However, seeing warped brake rotors with the naked eye is in most cases impossible, but you can still inspect them to see if they are very rusty which can be a strong sign that you need to replace them. i took the car to auto zone and the device gave codes saying all 4 cylinders were miss firing. Hi, my GM Acadia 2012 jerks while changing from second to third gear. I have new tires and wheel balancing already done. Is there anything you can do to more easily replicate the problem, or anything you can do to make it go away? Low or high air pressure can cause a whole slew of problems for your tires too. There is also a loud running noise coming from somewhere that I only hear when ideling. Q: Car is running roughly at around 45 mph asked by Amelia C on July 27, 2016 My van has gone 180,000 miles. If they are too low on the other hand . 3. 45 to 60 mph Engine will start getting to wear it is working, starts to sound "different" and run a bit rougher, then it will buck or hesitate. Am tired of the car. 13 Reasons And Solutions For Car Jerks When Accelerating - CAR FROM JAPAN Tire lug nuts are extremely hot after driving. 1999 Chevy Camaro 40 Psi Starts Butt Shuts Off Some Days Runs Rough 4 To 5 Mins Shuts Off Codes P0300 P1514 I Am Stuck Up The Creek With No My Car Runs Rough Between 1300 And 1500 Rpm's. Minu is doing the same. A fluid leak can also cause your car to overheat, which can lead to even more problems. It loses power once I step on accelerator pedal. It looks like you have a bad computer, the Quad drivers for cyl 1-4 failed, you're loosing injector pulse. The problem got progressively worse and dangerous to drive to the point where I would be going 60+ mph on a highway and the car went into neutral . I am running out of ideas also when I hit the gas hard I get black smoke. However, the injectors can be so fouled up with carbon deposits that even the best fuel injector cleaner may not do the trick. HelloI have a 2008 Jeep Liberty. When I am in reverse and then stop and switch to drive the car bucks, it also does this when I come to a complete stop and slowly start to accelerate. What Could The Code Read Retrieval/Clear Mercedes-Benz C230. If that doesnt work, youll need to take it to an auto repair shop to fix the problem which will likely include replacement of the catalytic converter. It seems to happen when I'm just giving enough gas to maintain speed. Good luck, Lou. If the check engine light is on, scan for codes before you do anything else. Drain your gas tank and examine the whole area for rust, gasoline gel stuck on the walls, and scale. On this episode we reveal a common source of faults that can cause a rough idle or at times a stalling condition, and. Why Car Vibrates at Certain Speeds (6 Possible Causes) - Auto Care Aids Are you up to date on all of your maintenance? What check engine light codes are you experiencing? Vibration or shudder between 35 and 45 MPH while lightly pressing on the gas. What causes roughness in my 2001 Lexus LS430 with 280000 miles - JustAnswer I am assuming this is an automatic transmission. 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. It acts as a mechanical link between the gas pedal and throttle plate. The mechanic at the dealership said the code never showed in the history. It could be some weird transmission programming or it could be an issue with one of the internal components in the transmission itself. Nothing is coming up on my panel and I dont want it to get worse. owners, Over 25,000 topics, from beginner tips to technical Clogged Catalytic Converter. Did U fix that problem. $700 later til jerking. Then I started getting the "reduced engine power" and my car wouldn't go over 20 mph. But it still does the same. However, the braking has to be fairly significant and continuous, such as in stop and go driving, for Hello. Theyll be able to diagnose the trouble code further in order to pinpoint and fix the issue. Have your local shop check it out., Also could be a wek timeing chain. If he cycles for 6 hours, how far does he travel? Accumulated Moisture. guides, Check cars for recalls, common issues & maintenance about what this is associated with this notorious light, what it is used for and This is a 2013 Hyundai Accent GLS 1.6 (July Manufacture Date Code) it has about 145,000 miles on the odometer. However, more often than not, the problem is with the timing components. Because most people dont have a tire balancer machine at home, you most likely need to take it to a tire shop for this procedure. It should only cost $10-$20 and take a few minutes to replace. What could be the cause of the jerk. hi I have a jeep compass 2016 and my vehicle jerks about three consecutive times when accelerating before I hit 30 mph. Im not sure I understand. Here well go over the most common culprits and how to fix the issue. I just got a 2004 Buick Lesabre Custom. 6. We will discuss the causes of this problem and how to fix it. Any codes? Opposite the fuel side of things, is proper air intake. Turnoff the motor and restart it and the problem usually goes away. If I let off the gas pedal, the vibration will stop. It also lacks in picking up speed to when trying to drive from a stop light or stop sigh. Depends how submerged the car was. 1996 buick LeSabre runs rough at 50 mph The engine loses power and runs rough at 45 to 50 mph. Lets find out! Interesting. I bout fuel injector fluid and put it in the gas tank but Its still happening. The problem might also be from the timing or floating of the valve. Car Dies While Driving: Reasons, Symptoms, Fixes & Costs - Motor Verso rough idle, rough acceleration, no power etc - BimmerFest BMW Forum This can happen due to an improper air-fuel mixture in the engine. That button can be inside the glove compartment or on the dashboard on a Lincoln. If there are no codes, check the transmission fluid. I noticed this issue is very prevalent in warmer weather. The reason I dont suspect a transmission issue is because you said the issue is happening while you are standing in a parking lot, if Im understanding correctly. How to Diagnose Car Running Rough - YouTube Also, he had the second cylinder replaced, as it was misfiring. It does it most often when you are barely on the gas at 45 to 50 MPH and then you press the gas to accelerate. Posted by timlin3on Jun 02, 2009 Want Answer0 Clicking this will make more experts see the question and we will remind you when it gets answered. I took it to the mechanic's and he found and fixed a leak in the intake manifold. If you dont remember the last time you replaced your spark plugs, it may be a good idea to get them all changed out. The engine ligh is still on? 9 Causes of a Rough Idle (or RPM Running Too High . Its been doing this lately !!!! P0138 OBD-II Trouble Codes: O2 Sensor Circuit High Voltage (Bank 1, Sensor 2), P0412 OBD-II Trouble Code: Secondary Air Injection System Switching Valve A Circuit Malfunction, P2158 OBD-II Trouble Code: Vehicle Speed Sensor 'B'. 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. 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. The scan test showed code P0989. You should not have any more than normal repairs with this vehicle. It jerks doing into 2nd gear (it has an automatic transmission) I also notice after driving for a while itll jerk when going into other gears almost like the trans is overheating. Therefore, when it comes to issues like a shaking car, it is often worth taking your car to a mechanic instead of replacing all the parts in your car without doing a proper diagnosis. 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! YourMechanic All rights reserved. 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 The brake pads and rotors will wear out over time and need to be replaced several times during the life of the car. 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. I replaced the carburetor fuel pump plugs and radiator . Then you want to balance the tires to see if they are round and balanced. The wheel bearings are mounted on the wheel hub and allow the wheels to rotate freely. If low, take it to a mechanic, as repairing or replacing a fuel pressure regular is generally not a DIY job. 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. When turning left,then back straight after a minute or more the left wheel turns right on its on,then straight again.it Only when I turn. I have a 16 Tucson. What you're gonna need is a real scanner, such as a Snap-on Soluus, have someone who knows how to use the scanner sit in pass. I have a 98 Honda Accord while accelerating the car if I thorttle it reach 3 it will start jerking pls what is the problem or which sensor is the causing. I replaced the tires and it is still shaking while driving. If the whole car shakes a lot more when you press the brake pedal, it is very likely caused by the rear brake rotors. 9 Reasons Your Car Jerks When Accelerating (and How to Fix) No check engine light but they were able to find the misfires one at a time by looking in the memory. Shaking cars can even be difficult for professional mechanics to diagnose! Shut the engine off, even just long enough to fuel-up, and it starts up and runs fine again in every respect. If your accelerating won't go past 40 mph, then there might be a problem with your exhaust pipe. Pontiac Grand Prix Reduced Engine PowerIn addition, the check engine These problems can arise either from just the age of the tire or from a minor accident. A catalytic converter is responsible for reducing the amount of pollutants that exit out of a cars exhaust. Is Your Vehicle Idling Rough? Here Are 4 Common Reasons Why A vacuum leak is when there is air entering the motor from unwanted paths. I was beginning to think I was losing my mind. When this occurs, there is an internal vacuum leak created by the EGR valve. However, if they look rusty or have other damage, it may be a reason to suspect that they are out of balance. Are the oxygen sensors bad? What's happening?? Car runs rough after prolonged hi-speeds What happened was I pulled mud threw my intake and went into the third cylinder and it started missing. Can a car jump start with a bad fuel pump? In this guide we talk The computer then instructs the fuel injectors to provide the right amount of fuel at the right time for proper air/fuel mixture. 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 it's in neutral but I let off and touch gas pedal itll go but . I also had a VR6 years ago and ran into the same issue. I bought a new fuel filter, But it still does the same. But don't worry because this symptom also has a solution like other car problems. 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. How Much Does It Cost To Fix AC In A Car? One of the spak plugs was washed and the rest were not washed or removed. I am stumpped please help Posted by phyliciak on Mar 19, 2012 1 Answer Howard Pfeiffer Chevrolet Master 1,249 Answers. 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. First thing I would do is change the engine oil in case water got in there. If its dirty, replace it. Vehicle hesitates between 35 and 40 mph. If you drive an automatic transmission car and notice your car jerking or bucking right around the time your transmission changes gears, you may have a faulty transmission controlmodule (or solenoid). The best thing to do is switch the coil over from cylinder 3 to cylinder 1 and see if the misfire continues with cylinder 3 or if it changes to cylinder 1. Replacing the fuel filter is a fairly simple and inexpensive process.