It never happens in EV mode. The engine is noisy when accelerating, cold or hot. This typically occurs when the gasoline mixture in the combustion chamber explodes at the inappropriate time for most efficient. The other BIG thing is I have not had a rattle one inside this vehicle. If you are trying to find Engine Pinging Uphill article fails to dwell right here, you can see from several of the articles that may suit your research. i noticed that when i stepped on the accerlertor the engine, or what i believe to be the engine, starts making a rapidly moving ch-ch-ch-ch sound. He removed the part to see if the rattle went away, which it did, and ordered a vent part. I have a 2013 Toyota Corolla S. People hauling is between Camry and Corolla. At that point there is a rattling that sounds like its coming from the dash, and below the floor (feels kinda like your in the run gear in a manual). 2010 Toyota Prius III I love my Prius. Some 2001 – 2003 model year Highlander vehicles equipped with a 1MZ-FE engine may exhibit an intermittent “pinging” or “knocking” noise when accelerating slowly up a grade. Toyota Prius 2007, Front Engine Torque Strut Mount by Westar®. Many cars have dashboard lights that indicate when a catalytic converter isn't working properly. I have a 2001 Toyota Corolla with 140,000+ miles, 4 cylinder, automatic, 1. I thought it might be my clutch because thats on its way out. The stock tires are fine, they are an all-season that are quieter, smoother riding, better wearing, with better braking, handling, acceleration, and fuel economy than any A/T or M/T. I will try to be as specific as possible, but please forgive if I leave out a few important details, I am not exactly a car expert Recently, when accelerating from a stop, there is a one or. In addition, if you are required to have smog checks done on your car, a clogged catalytic converter is likely to cause you to fail the test. Another thing that can happen is the converter can plug up and cause a false P0420 code in the computer. I try all method but now i using Lucas Fuel treatment to see if it solve the problem. Engine Skipping When Accelerating. I went to the mechanic yesterday and he wiped my check engine light to see if it would pop back up and this morning it did. -There is a rattling from the dash on my car too. " Have a 2011 toyota prius, after about 17,000 freeway miles I started to notice a intermittent rattling noise in the dash, I spent hours of annoyed driving trying to pin point the location, and every time I would take a dealer on a test drive of course it wouldn't do it. Acceleration Acceleration Acceleration tests are conducted on a smooth, flat pavement straightaway at the track. This noise is actually occurring. Toyota Prius is not Weak: Why Prius Drivers Drive Slow Follow Torque News on It might be able to beat the focus with the 1. Get reliability information for the 2015 Toyota Prius C from Consumer Reports, which combines extensive survey data and expert technical knowledge. Get up-to-date recall information for Toyota vehicles, including information on class action lawsuits, affected models, false advertisement, and more. I know foresters can be rattley but this sounds like it is actually in the engine, not just a vibration. Prius P0301, P0302, P0303, P0304, P0A0F, P2111 - Canada vs. Component: 060000 engine (pws) Summary: Service news article - does the engine rattle at cold startup for 1 to 2 seconds when it?s cold outside? chances are the vtc actuator is the culprit. I have this hum noise (no clicking or rattling) just constant pretty loud noise when accelerating. 2013 Toyota Prius. com 84,500 miles 2006 Prius Red triangle of death Initially on screen-car with Exclamation point Now just triangle on dash and check engine icon on dash and the red car outline with a line thru it on the upper left of the screen-this is the "hybrid system warning light" But we also had some sort of brake and VSC warnings-. Call (801) 663-7444 for more information. The contact stated that while driving 15 mph, he heard a rattling noise coming from the engine. I have a 2001 Toyota Corolla with 140,000+ miles, 4 cylinder, automatic, 1. Did your son check that?) Prius is fun to drive compared to Camry or Taurus. I believe this noise to be coming from under the bonnet. A small exhaust leak can also mimic a lifter tick to a tee. By that time it had done 14000km. given the other acceleration problems toyotas have experienced, this needs to be investigated. It makes no noise when I rev the engine in park. If they are slightly bent or loose, the metal-on-metal contact will create terrifying rattling sound when accelerating. Does your 2010-11 Toyota Prius have a rattle noise coming from it? Have it looked and repaired with this technical service bulletin. 07 Prius noise when accelerating on highway 2 Answers. com use promo code P4D4JYXDZJ5R toyota prius gen 3 engine knocking solved after trying every TSB Websit. ) worst gas mileage for a Prius is when the engine is cold. I am working on a 2005 Toyota Prius, Vin JTDKB20U350123784. 0 liter ecoboost which is a 3 cylinder engine verses the prius's. 6-liter I4 gas engine coupled to a hybrid system with an. Does anyone have any advice for my car rattle situation? I am going to the dealership for my regular maintenance today and I'll ask them what they think too. These parts are lubricated by pressurized motor oil provided by the oil pump which is located inside the lower part of the engine inside the oil pan. If it looks like a loose heat shield is what's causing your rattles, read on to pinpoint the source and fix it free. I know what you talking about. When all the SeaFoam is sucked out of the can, shut the engine down, and let it sit for a half hour. Toyota Prius Front Brake Rattle Over Bumps 171376 9/12/2011 2010 Toyota Prius Vibration from Engine after Cold Soak 172484 12/23/2011 2010 Toyota Prius MIL "ON" DTC P030# after Cold Soak 172934 1/10/2012 2010 Toyota Prius Fender Rattle/Tick Noise 174190 4/16/2012 2010 Toyota Prius Uneven Wear on Rear Brake Pads 177717. From inside the car it seems very loud but I can't hear it from outside the car. my car did the exact same thing. Engine Skipping When Accelerating Articles Engine Skipping When Accelerating Images. Replied by EricTheCarGuy on topic Engine knock when accelerating. he heard a rattling. 2005 Prius Noisy engine, sounds like it needs valve adjustment. This engine mount will make sure your engine runs quietly and does not rattle when started and while driving. No vibration at all. So it was deemed to be normal noise caused by the electric engine. I read the. First of all, before I got an oil change, and yes the car had oil in it before. We’ve got amazing prices on 2014 Prius V Air, Fuel, Emission & Exhaust and Cooling & Heating parts. My 2008 Prius is making rattling noises under my hood when I drive under 15mph. "Rattle from right. In addition, if you are required to have smog checks done on your car, a clogged catalytic converter is likely to cause you to fail the test. California Highway Patrol helped stop a runaway Toyota Prius after the car’s accelerator got stuck at high speed. Consumer would like reimbursement for repairs and parts for the defected oil filter housing part. Plug this monitor into your Toyota Prius v's OBD-II port to get parameters (PIDs), diagnostic trouble codes (DTCs), MPG stats, and engine performance tests. Toyota updated more than 90 percent of the Prius's Hybrid Synergy Drive powerplant for 2010. Don't let them try to sell you another catalytic converter. -There is a rattling from the dash on my car too. Engine Pinging Uphill. Certified Used 2015 Scion tC STD for sale in Salem, OR at Capitol Toyota, Serving the Portland, Wilsonville & Beaverton, OR Area. ENGINE AND ENGINE COOLING:ENGINE. The interior is atrocious, the cloth falls apart when you try to clean it with water and a towel and all the plastics rattle starting at Day 2 of ownership. Rattling engine and loss of power at low RPM 1 Answer. Prius Ticking Sounds Under Hood Images. On 12/22/2008, I started the car and the check engine light appeared. With an incy-wincy (not a technical term) 1. 0 D4D and have noticed the same problem under load getting a strange noise from the engine bay when accelerating. On those occasions when the gas engine cranks the car, there is a loud engine rattler. On a quick acceleration from stop into a left turn (going maybe 35mph tops) i actually had the front left tire start coming off the ground. 5 L Straight-4|I4 DOHC 16 valve VVT-i Compression: 13. Replied by EricTheCarGuy on topic Engine knock when accelerating. 5L 4-cylinder 1NZ-FXE is more prone to misfires and a check engine light after an oil change, especially if the oil level is overfull or the wrong weight oil is used. After 3-4 times of hard acceleration, it resolves. And it feels like its losing power. Do you own the Toyota Prius c? As the owner, you have literally sat in the driver's seat and discovered the ups and downs as you go about your everyday life. Sound, Feel and driving experience of a Prius. He suspected that it was the electric engine kicking in and that it was normal. Ford Fiesta and Fusion 2001 - 2002. 71,000 miles 2002 mustang v6 auto. The Hyundai Ioniq has a better looking nose than the Toyota Prius, plus a sunroof and three-level heated seats. It sounds like it's coming from the transmission. On one hand, it's trying to be something special, a weird-looking car with a complex hybrid engine; on the other hand, it's. 6 seconds (all measurements according to TMC). Does anyone have any advice for my car rattle situation? I am going to the dealership for my regular maintenance today and I'll ask them what they think too. VIN: JTKJF5C73FJ009960. Compared to the Honda Civic, it's solidly built. Share your experiences with the Toyota Prius c and help others in the market for a car like this. In my case it was a rattling noise coming from the engine and some time sqeaks and i found out that the drive belt was very loose and bought a gatorback belt and that stopped it. ) Has always made the noise ever since I bought it 4 years ago with 150k miles. The most recently reported issues are listed below. The engine causes quite a lot of noise when you are accerlerating and going up a hill. (Checking the Engine) - Duration. At 1st I thought maybe it was something inside, but as that week turned to days, I noticed that while I was outside the car and it was on and idle, I could hear the rattling from the right side of the car under the passenger seat (closer to the engine, as if right below where the glove compartment sat)-It is a constant rattle at the same. view details; feb 03, 2010 - cincinnati, oh - automatic transmission i have a 2010 prius and saw an article about there being possible brake problems with the model. I have a 2013 Toyota Corolla S. Claiming an engine only requires a tune up is a very common excuse for much more serious damage. The regular Toyota Prius is the most efficient car you can buy that doesn't have to be plugged into an electrical outlet. List of 2006 MERCEDES BENZ ML350 Factory Technical Service Bulletin - TSB | AutoCodes. The hybrid battery had run down as a result of the traffic, and the engine had engaged. Car makes a rattling sound from the engine compartment when accelerating. - The octane rating of gasoline is sometimes known as the AKI--anti-knock index. The vehicle is very well built, a little noisey at hiway speeds. If were being honest typically the complaints are people trying to justify replacing perfectly good tires for ones that look cool. When you start the vehicle, the fan tries to turn but just teeters instead because of the broken condition. There are a couple issues, but it started with a loud rattling noise when accelerating, when I discovered that the oil was burning faster than normal, and the oil level was very low. People hauling is between Camry and Corolla. Windshield Cracks Easily 18 complaints at an average of 16,058 miles in the 2016 Toyota Prius. it sounds like low octane fuel was added to a car that requires high octane. he heard a rattling. 3 mins later the Engine Management Light started flashing. When I started the car up the other day, there was this rattling sound and the car was shaking. It is typically heard upon acceleration and is often the result of an irregular combustion process. Auto Noise — Rattle During Acceleration by John Mosko. However, the rattle goes away once I hit a higher speed at 10 miles or. 0 liter ecoboost which is a 3 cylinder engine verses. 3 weeks ago I noticed knocking under the hood and has gotten progressively worse. In your case it was probably the piston rod bearing. The rattling only occurs in gears 2-4, or at about 2000-2300rpms in 5th. The touch screen console not only allows you to control 5 different music lines (am, fm, aux, Bluetooth, CD) but it can show you internal car. A catalyst rattle may come and go and not really be as consistent. Also please check out the statistics and reliability analysis of Toyota Prius based on all problems reported for the Prius. The noise is kind of like having a baseball card in the spoke of a bike or like maybe something is rattling. If I let go of the accelerator, the noise disappears. The noise actually happens at notches above centerline acceleration at speeds 45mph+ so even at 65mph. It has a very sporty design for a hybrid car. MeGuinness, Jul 7, PriusChat has been the go-to spot for Prius, hybrid, and. what is going on???. Engine Problem on the 2010 TOYOTA PRIUS. I believe this noise to be coming from under the bonnet. It makes no noise when I rev the engine in park. While not true in all cases, if the engine is revved a bit and let off quickly a piston slap often comes across as a bit of an erratic rattle. Smell of fumes, I think, when. 2006 2nd Gen Toyota Prius Runs Loud/Rough Engine Knock After 30 seconds ICE Starts 180K mi! 96dubz. the acceleration delay started. When the engine is started after sitting overnight, the oil pressure takes 3-5 seconds to come up to “normal”. In addition to accelerating slowly, the car may be hotter than normal. Allow the engine to idle for fifteen minutes. 2000 Toyota Avalon: Engine Lean Codes and Knock Sound on Acceleration? On this vehicle Engine lean codes related to oxygen sensors comes up also the Engine makes loud knocking sound when Accelerated. The noise gets lauder as it goes to higher RPM. Thread / Topic Starter. (I would say $3k more compared to Scion. They are used on all kinds of vehicles, from bicycles to aircraft and cars. and on a 45 litre tank on the Prius, it gives 600 miles. Your online Toyota Prius repair manual lets you do the job yourself and save a ton of money. to the characteristic hybrid disconnect between engine noise and road speed, Prius owners will know right away how to drive the Lexus HS250h and make the most of it. 2008 Prius rattle when accelerating? the noise usually comes after the engine is warm. 5 L Straight-4|I4 DOHC 16 valve VVT-i Compression: 13. He said because of the regenerative braking, around 70k-80K miles. Your catalytic converter is a vital part of your car's emissions control system. Territories, and Mexico using our quick and easy recall and campaign lookup below. The full list is available on CarComplaints. The vehicle is very well built, a little noisey at hiway speeds. Toyota Prius Loud squealing or rattling is coming from engine Inspection at your home or office. One of the bolt holes was rusted and was causing a rattle at acceleration. Time passed and I decided to get the Volt anyway which works out. In addition to slowing fuel delivery, a vacuum leak may trigger the "check engine" light to come on. After a series of problems with the Prius engine the local Toyota dealer informed me that I needed to have the car's transmission replaced. On a quick acceleration from stop into a left turn (going maybe 35mph tops) i actually had the front left tire start coming off the ground. i will have to get a newer one before too long. It sounds like it's coming from the transmission. MSRP starts at $38,445. Check those first. Actually I’ve found the pickup in my 2009 Prius to be quite good compared to a 4-cylinder vehicle; it’s comparable to a 6-cylinder, and almost to an 8-cylinder. I parked my 2011 Prius Five in my garage for a day, started it and when the engine kicked on I turned it offnot letting it go through the entire warm up cycle. Read and compare experiences customers have had with Toyota products. ENGINE AND ENGINE COOLING:ENGINE. wav - waveform Interior Prius driving rough road with rattle. What I haven't been able to determine is whether the noise goes away after I reach a higher speed, or whether the sound of the usually loud engine drowns it out. My car has an automatic transmission. I can't believe this is happening. Hi, Yota guys. Also please check out the statistics and reliability analysis of Toyota Prius based on all problems reported for the Prius. It's just can't drive at below 2000rpm and there is severe rattling in the engine please advise what is the problem and the solit. My 2012 Prius V has several unresolved problems. It usually occurs when the vehicle pulls away from a stop and the engine is under a lot of load. Many cars have dashboard lights that indicate when a catalytic converter isn't working properly. On 12/22/2008, I started the car and the check engine light appeared. However, if you know what some of the most frequent caused of engine vibration are, you can not only avoid too much stress and worry, you can know. The fuel burns and powers the car. The rattle or engine knocking is only happening when the hybrid system indicator shows power in the red zone. The 2010 Toyota Prius has 107 NHTSA complaints for the engine at 90,499 miles average. it sounds like low octane fuel was added to a car that requires high octane. 2006 2nd Gen Toyota Prius Runs Loud/Rough Engine Knock After 30 seconds ICE Starts 180K mi! 96dubz. I was watching some youtube videos earlier to try and pinpoint what was making my noise on my engine and apparently the timing chain tensioner is very easy to remove (just bolts on) and self adjusts. After the engine has been run, the oil pressure comes up within a second the rest of the day. If you don't hear it at first, rev the engine slightly. Loud squealing or rattling is coming from engine Inspection Service For those with little automotive experience, the area under the hood can be pretty mysterious. Rattling upon acceleration. Your power steering pump is turning anytime your engine is running so it can whine even when you are not turning your wheels. So I change the plugs out with the new ones, test drive And still hear the rattle/chatter noise under medium/heavy acceleration and seems to get louder the more gas you give it then goes away when you let off the pedal. Honda hybrid to rattle new Prius? as was the case on the second generation Prius. Like under 2000-rpm low. I got a 2008 corolla as well and now I'm facing the same problem. Naturally the vehicle is no longer covered by its warranty. That's ridiculous. 2015 Toyota Prius Five. While in for the problem I googled it and shared the results with the technician. In your case it was probably the piston rod bearing. the acceleration delay started. 8-L 4 Cyl hybrid) “It was a manuficators issue. Rattle in dash finally fixed after multiple attempts. In time, the rubber dampener fused within the metal casing of the motor mount may separate resulting in a "clunking" sound when accelerating in low gear. These are the only times it happens. After the engine has been run, the oil pressure comes up within a second the rest of the day. To see how frequently Toyota Prius problems occur, check out our car reliability stats. It usually occurs when the vehicle pulls away from a stop and the engine is under a lot of load. my car did the exact same thing. Troubleshoot your fuel system to see. Honda hybrid to rattle new Prius? as was the case on the second generation Prius. Engine Rattle On Acceleration. Hello, a couple common issues are the heat shields above the exhaust system can corrode and detach, then rest on the exhaust and rattle when the engine is running. For example, an engine's air-fuel mixture may ignite too early or spontaneously combust. what i need to know is, how long are we going to be allow. FWIW, Eric The Car Guy uses this method. Any idea what it is? VSC and engine light on. Get Engine Rattle On Acceleration: The best product to recover weak batteries without the cost of buying new ones. 5 Lux engine rattle on cold start My car is a 1984 UK model 944 2. It doesn’t shake or rattle otherwise, only when I exceed that speed. Rattle Under the hood of my car? I need help from experienced mechanics or any car experts. In my case it was a rattling noise coming from the engine and some time sqeaks and i found out that the drive belt was very loose and bought a gatorback belt and that stopped it. (Page 1 of 3) CarComplaints. muffled "pop" or thunk sound upon a hard acceleration from a slow speed. 2008 Toyota Prius Engine Complaints, Problems and Troubleshooting. Have not taken to the shop yet, was hoping someone could give me an idea of what’s wrong so I can attempt to fix myself. Loud squealing or rattling is coming from engine Inspection Service For those with little automotive experience, the area under the hood can be pretty mysterious. Engine rattle/knocking noise on first morning start up on occasion. and it was an empty catalytic converter. When I turned on the heater the engine kicked in louder than normal but no vibration. This information may be used by NHTSA during the investigation process. I put 91 instead of 87 and it helped quite a bit. P0171 Toyota Description With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture ratio can be brought closely to the theoretical mixture ratio based on the mixture ratio feedback signal from the heated oxygen sensors 1. Depending on the vehicle's speed and the battery SOC (state of charge), the Prius will do this using regenerative braking and/or high-RPM zero-fuel-flow engine braking. 8-liter four-cylinder engine and an electric motor that produce a combined 121 horsepower. 7 seconds and also at mid-range speeds, such as from 40 km/h to 70 km/h in 3. The rattle is like 'pinking' in an old engine. I know what you talking about. Famous Rattle / timing chain slap / knocking ticking sound 2002 maxima 6 Speed vq35de. I have a 2001 Toyota Corolla with 140,000+ miles, 4 cylinder, automatic, 1. Usually in passing. When the engine is started after sitting overnight, the oil pressure takes 3-5 seconds to come up to "normal". The only things I have had to replace in 160,000 miles are tires, one battery and windshield wiper blades. com : Car complaints, car problems and defect information. i will have to get a newer one before too long. Squeaks or rattles "Rattle from right rear of vehicle, dealer unable to duplicate" Anonymous, CA (2016 Toyota Prius Three 1. No repair bills for engine, transmission, etc, in 5 years, just. Vibration when accelerating. After 30,000 miles I simply cant handle the headache. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. I check all the fairings for security all good. An OBDII code checker identifies defects in the exhaust system of the car. Get Rid of the Seat Belt Ding or How to Permanently Disable Your Seatbelt Warning Noise. See all offers for category Bodywork parts to TOYOTA vehicles. 2018 Nissan Leaf, 2009 Toyota. Sometimes, seemingly dependent on how far the pedal was pressed when the engine actually engaged, a loud rattling noise can be heard coming from the engine compartment that sounds a bit like a loose ball bearing rattling. Or maybe you completely forgot to add coolant at all, and the engine overheated. What's that? Prius has 4-cylinder, 4-stroke, Atkinson cycle engine. 0:1 52 kW (70 hp) @ 4500 rpm Torque: 110 N·m (82 lbf. All cars made in 1996 and after are equipped with an OBDII interface. Nothing is loose under the hood (prop, washer fluid reservoir ect. Under the hood of the Toyota Prius is a 1. We’ve got amazing prices on 2014 Prius Tools, Fluids & Garage and Transmission & Drivetrain parts. 0:1 52 kW (70 hp) @ 4500 rpm Torque: 110 N·m (82 lbf. com : Car complaints, car problems and defect information. Prius' artificial engine noise demonstrated, explained and rises and falls in pitch with the vehicle speed to give pedestrians a sense of whether the approaching Prius is accelerating or. Without a video its hard to diagnose over the internet. Labor costs are estimated between $237 and $300 while parts are priced between $346 and $548. Why is My Engine Knocking or Pinging? Prius Noise 2007 Acceleration Knocking. Doesn't feel like I am losing any power just a really loud rattle. It doesn't seem to be at a specific RPM, sport mode off or on or if engine cover removed. Back ground: 2003 Prius, odometer reading 116,289. If they are slightly bent or loose, the metal-on-metal contact will create terrifying rattling sound when accelerating. Although the Toyota Prius C starts at $18,995, Consumer Reports does not feel the price makes up for its shortcomings. I have a 2013 Toyota Corolla S. It's just can't drive at below 2000rpm and there is severe rattling in the engine please advise what is the problem and the solit. Prius' artificial engine noise demonstrated, explained. I believe this noise to be coming from under the bonnet. the whole engine rattle or there is a rattle coming from the engine. (Page 1 of 6) CarComplaints. 2002 Ford Ranger. Toyota - basic info and current lineup. A 2012 Toyota Prius C Early Air Conditioner Compressor Failure: It’s common for a Prius C owner to notice a loud noise and hot air coming out of their vents when they turn on the air conditioner. 2000 Toyota Avalon: Engine Lean Codes and Knock Sound on Acceleration? On this vehicle Engine lean codes related to oxygen sensors comes up also the Engine makes loud knocking sound when Accelerated. Usually in passing. he heard a rattling. The Prius Number Crunchers. com My Prius makes a rattle noise under medium acceleration. All services done as per the book at dealer. These parts are lubricated by pressurized motor oil provided by the oil pump which is located inside the lower part of the engine inside the oil pan. Last time I changed 2 enginge mountings but this vibration is not because of mounting,its coming from engine. A rattling heat shieldthat is exactly how I would describe it too. This happened as I was stuck in traffic. Hello, I have a 96 GMC yukon with 160k miles and I hear a rattling sound whenever I go uphill or accellerate quickly (i. ) The engine "rattles" until the oil pressure comes up to normal. Prius Engine Pinging Videos Hesitation on Acceleration performance problems #1. If I put the trans in neutral or park and rev the engine slightly I cannot reproduce the sound. Blown bottom end is caused by oil starvation. The typical car was much less quick than that. I check all the fairings for security all good. Upon acceleration there is a rattling sound coming from the engine on the passenger side. It gets 42 miles to the gallon. I had always heard that a Prius did better in city driving than on the highway, so I was prepared to get less than the 40-plus mpg I was averaging in the city. I parked my 2011 Prius Five in my garage for a day, started it and when the engine kicked on I turned it offnot letting it go through the entire warm up cycle. The engine technology is amazing though. The touch screen console not only allows you to control 5 different music lines (am, fm, aux, Bluetooth, CD) but it can show you internal car. A vibration that shakes the interior with no engine noise can be a motor mount. going up slight incline, etc. The engine has a PCV (positive crankcase ventilation) system which recirculates the internal engine gases through the motor to be burnt off (if this is blocked or restricted it can cause pressure to build up in the crankcase and create engine oil leaks or oil flow through breathing system components which may be drawn into the engine creating. I had a low RPM engine rattle that would appear when the traction battery was down to two bars & I was trying to accelerate from a stop. It burned 3 quarts in 1,100 miles. At 1st I thought maybe it was something inside, but as that week turned to days, I noticed that while I was outside the car and it was on and idle, I could hear the rattling from the right side of the car under the passenger seat (closer to the engine, as if right below where the glove compartment sat)-It is a constant rattle at the same. My car makes a kinda rattling noise/pinging noise while accelerating sometimes. The Prius C is an economic hatchback that is perfect for city driving. if the wrist. On driving the car back from Derbyshire on the very day I bought it, I was aware of a rather odd noise which sounded like it was coming from the engine bay. Would the MAF sensor cause the car to shake on acceleration???. Usually went away with acceleration and high rpms. The Toyota Prius straddles a fine line. If a pulley is bad, the belt will show damage in the form of frayed sides. I own a 2010 Toyota Prius that I purchased in the fall of 2009. A mechanic friend thinks it's one of the cat heat shields.