Prius engine loud when accelerating I'm not talking about the noise it makes when accelerating -- we all know how loud it can get when hauling ass. Discussion in 'Gen 2 Prius Main Forum' started by Adam Smith, Mar 29, 2024. I start accelerating at second 5, and you can hear it then. It's probably worse than when new but certainly not loud and annoying. 2013 Prius 3 making a squealing or rattling noise when accelerating after car is warmed up. It was running 3k RPM's at 75 mph bit then shifted down to 2. 5L gasoline engine. My name is ***** ***** I will be helping you today on your car problem , I can not see , touch or hear your vehicle so please allow me to ask you questions if needed ,to get more familiar with your vehicle problem , this way I can offer a better answer. Check engine light is blinking which describes misfire. It may or may not be present at idle, but it will likely be most noticeable when you’re putting your engine Listen carefully and pay attention to where the sound originates and if it changes with speed or engine RPM. My 2010 Prius II consistently makes a single loud clunk or clank sound in the font end when I shift from Park into D or R on a cold start Inc. . Now, when driving and I need to accelerate, even if I'm going 45 and need to increase to 55. Part of the reason they are so loud is road noise. Unlike a traditional transmission, the Prius uses a planetary gearset and two motor-generators (MG1 and MG2) to manage power flow. The car drives great except when the engine kicks on when driving it starts making very loud knocking/rattling noise and shakes, but only when accelerating on gear or If your car has a manual transmission, a clutch failure can keep it from accelerating. Joined I started getting this I own a 2006 Prius. A Porsche GT3 is loud, a BMW 730d is quiet. Better than ever. Details- I have a 2008 Prius. Inc. It also needs to absorb a significant amount of vibration. It only does it when the car is up to temperature and when has this rattling noise on full power acceleration. For those with experience with a manual, it is almost like 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. They offered to diagnose it (which would likely include a My "05" Prius has 164K, I'm the original owner and I have had great success with this car. I know some owners talk about the loud whining humming sound from the A/C unit which I am aware of but this newest sound is different My new Prius makes a sound when coasting downhill that sounds something like Only when accelerating, of course, will the engine stop doing that On these steep hills I get this noise. A brisk start from a stop can bring on the CVT symphony. It's not pinging, at least doesn't sound like pinging in a normal engine. It is noticeably loud and horribly obnoxious. If I accelerate from a stop using only the electric motor, there is no click. Even cheap, Harbor Freight OBD scanners can confirm this. Had to return to the shop because the problem resurfaced. I made this video That pump is very quiet and I only hear mine building up system pressure when I first hit my power button before my engine has started and never hear it with the engine running. Is your Prius suffering from a rattle/shake on startup? Take a look at 2 things that cause it and what you can do about it to fix it. > Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance and Troubleshooting > LOUD Engine sound on start, while driving / low acceleration Discussion in ' Gen 2 Prius Care, Maintenance and Troubleshooting ' started by Austin Witherspoon , Jul 4, 2020 . This only happens when the engine kicks in while driving. That killed it for me. I owned a 2010 Prius Gen III which had an engine vibration problem at start up. Took it to the shop - diagnosis = Misfiring. Ideas? Was hoping to go on a 1000 mile road trip next week and this happened. Only under this condition, when I slightly press on the gas and the engine will start to charge the battery and propel the car at the same, there is a slight grinding noise coming from the front of Help - prius loud noise from front when accelerating. The only noise EVs tend to make is the noise made by the tires or created by wind resistance, and that only happens at higher speeds. , 111 Peter Street, Suite 600, Toronto, Ontario, Accelerating just past the POWER range and a grinding noise appears once from passenger side Could it But today actually sounded more like from the engine bay The Toyota Prius’s status as the pioneer that paved the way for today’s electrified vehicle market has been recognised with a lifetime achievement award in the When the car gets to about 60MPH the engine gets quite loud. Manual braking makes it shut up. This engine also found in Prius C and It gets louder and faster when the motor is reved up. Dr. It can be heard over the engine accelerating and even through the radio and the clicking happens every. Started up my prius, started with a loud knocking sound for a little bit then stopped, 2000 Camry Making Loud Sound when accelerating but has no power TROUBLESHOOTING PRIUS ENGINE NOISE: Q&A on ACCELERATION. Loud CLUNK on accelerating from stop. That's my comparison of a noisy car. After getting off the Highway and coming to a stop my cars engine will rev up really loud. priusonline. When battery is at a low state of charge and the AC is on, therefore, whenever I slightly step on the gas the engine will immediately start. Engine rebuilding : In Prius Engine Revs Up High Randomly . Joined: Mar 29, 2024 1 0 0 Location: London However recently I noticed a funny noise coming from the engine after I would start and drive slowly. Replaced spark plugs - problem fixed for a day or two. Also some vibration from time to time. engine sounds louder. I saw/heard a YouTube video Blown bottom end is caused by oil starvation. The new engine is at 10 to 17 degrees in normal operation. (The car's speed stays the same. My engine seemed to get louder, with the noise really starting at around 30 mph, little noise usually with coasting or not moving. Above 40mph, The garage purchased a second hand throttle and ever since there has been a random loud acceleration noise which sounds like a plane is taking off, even if I take my foot 2002 engine suddenly making loud noise. Even on the initial start it should only run several seconds to build up accumulator pressure and then for only a few seconds to keep the system charged regardless of the number of brake Planetary Gear or Motor/Generator Bearing Wear. Loose, rattling parts could otherwise I purchased an Air filter from AutoZone, my car started making a loud but muffled sound when accelerating and driving at highway speeds. #10 MichelleStone, Oct 24, 2016. single. This was (is) is a widely known problem. My 2010 Prius engine shakes/vibrates when the engine is showing between 50-75 MPG on the gauge/meter on the dashboard. and sometimes He also told me a story of how when he was a shuttle driver he heard a similar noise on an older Prius, but that was much louder. Car has Loud rattling noise when not accelerating. I don't think it's the muffler because it's pretty quiet until you are accelerating and/or driving 55+ MPH. bad engine mount. Content on priusforum. I have 2011 Prius Base, 137K. This happens when fuel that hasn't been burned in the combustion chamber escapes and combusts in the exhaust. While rare, internal Accelerating your car should be thrilling, but sometimes, your engine’s roar isn’t just music to your ears. Hoosier Prius driver New Member. Examine it and swap it if it is the induce, otherwise you I wanted to get an idea of how loud the engine gets with your Crown Signias. I used torque app to monitor the engine before and after. 2013 prius with 132k miles on it. If it's low, fill it up. When the engine is on the ticking is heard and appears quieter at higher speeds but noticeable at all times. 2. Sometimes after the revving sound stops, the combustion engine keeps going for another 10 On starting the car and moving there were no issues, but once we hit about 40km/hr the car started shaking and jumping around, like it was in 5th gear going slowly There is a rattle-type noise when I accelerate and happens at any speed. Rattling noise when accelerating? Hi there! Got my used 2012 Prius just over a year ago. Instead, it’s a loud and alarming sound that could signal a problem. Indeed, if you encounter a noise that is louder and louder when you accelerate, it can come from a faulty turbo that will create a much higher noise than during normal operation. If really starved the mains will fail. It’s normal for the engine to be loud while accelerating because it’s a very underpowered car. Share Sort by: Best. Toyota Prius: 2005 Prius Noisy engine, sounds like it needs. When I turn the AC on, there is sometimes a louder than normal noise from the front right of the engine compartment area. Is your Prius making a rattling which utilizes the 1NZ-FXE 1. My 2008 Prius with ~154,000 miles clicks once when accelerating. On hard acceleration when the engine RPMs would get over about 3000, I would hear this rattling/fluttering noise. if you haven't driven one, you wouldn't know whether gen 5 is quieter or not. Recently it has started to make a sort of rattling sound when accelerating/at low I have the same problem with my 2024 Prius prime. It does not get louder or worse with changing lanes or accelerating. priusforum. Although the manual transmission is going away, if you have a Prius equipped with one, a bad clutch can cause it not to accelerate. I googled what one sounds like when a Catalytic converter is stolen, and I don’t think it’s that. 8L engine block, was software limited to 5,200 rpm, maximum rpm and power. Engine light on as well. I don't hear it when I am driving at lower speeds. Mendel Leisk Senior Member. I talk about when the knocking problem first appeared Has started ticking noise in engine when cold and/or accelerating. Low oil poor oil splash and the upper part of the inside of the engine like piston chamber walls and piston/rod connection see no oil. com is generated by its users. Around 5,000 miles ago, the engine began running very rough. There is no vibration when coasting (100 MPG on the gauge/meter on dashboard) or when I am accelerating A knocking noise when you’re accelerating is a tapping or pinging sound that gets louder and faster as you speed up. Manu goraya likes this. Unfortunately, an engine knock can be a sign of significant engine problems. In addition, if I am sitting in park and simply rev up the engine, there is The noise of the sound emitted will rise when the car is accelerating. ) Then, after a little while, the engine returns to the lower rpm. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by montelli, Jun 7, 2007. It's definitely unusual enough for me to be a little worried and I'll be bringing it to the dealership soon (2018 SE under warranty), but at the moment nothing else is affected - no engine lights on, no fluid warnings, no other issues with performance. In this video I summarize my experience with engine knocking and rattling on the 3rd Gen Toyota Prius. If you drive on a newly paved asphalt road, > Gen 3 (2010-2015) Toyota Prius Forums > Gen 3 Prius Technical Discussion > Sounds like clicking noise from the engine Discussion in ' Gen 3 Prius Technical Discussion ' started by tkersey , Apr 2, 2012 . mos gen 4 owners feel that it is quieter than The engine and road sounds were so loud that, when I stopped for the night, my ears were ringing from how loud I'd had to turn up my podcast. Joined: May 17, 2021 1 0 0 Location: Indiana Vehicle: 2011 Prius Model: Three. The acceleration wasn’t bad for this type of the car but i couldn’t get past the loud and annoying noise of the engine when accelerating. It occurs when the Prius engine is cold (soaked at ambient temperatures below 50 degrees F) and it is I have a 2013 Prius II with 35,000 miles we bought certified used from a dealer 1 year ago. It’s rythmic and sounds louder to the left of the engine. my 2002 Prius started making a loud noise with vibration, almost like the noise when you veer off a highway and hit the rumble grooves (at first, like it was in 5th gear going slowly oround 20 while accelerating, Greetings Gen2 Prius owners, I just wanted to share my experience with you all about a noise I chased for quite a long while. Help!! 2010 Prius making noise while accelerating. The exhaust system is responsible My 2012 prius makes knocking and rattling noise when ever the engine starts and I'm on stand still or moving slowly. did you manage to Inc. The Toyota Prius’s status as the pioneer that paved the way for today’s electrified vehicle market has been recognised with a lifetime achievement award in the TopGear. 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. 8 engine can get loud, even when not climbing a hill. 2006 Toyota Prius with nearly 200,000 miles on it has a ticking noise from the engine when turned on. That little 1. Took to dealer at 95k miles to flush fluids and they diagnosed with bad left wheel bearing. The first thing you should do is check your Prius's oil. I don't have any check engine light on. 1. I know this is a common issue for a 3rd gen Prius and it has ~170k mi, but I’ve done what I thought is everything possible to fix this Inc. 8 motor The motor shaking and I heard loud noise in the area where transmission and motor bolted together. No issue with speed, and no lights come on in my 07 prius with 180k on it. One of the most common reasons for a loud engine when accelerating is a worn-out exhaust system. It could be something relatively minor, or it could signal the need for The motor mount is responsible for connecting the Toyota Prius’s motor to the chassis. Engine mounts? Loud bang once on cold start because of the parking pole odd position or because you are reversing while the engine kicks in are normal , but what the Prius did on the video above its not normal and it’s sign of issues 41K subscribers in the prius community. Look underneath the car for loose or damaged parts, focusing on the exhaust and engine mounts. Carefully tap JUMP TO TOPIC. 1 Factors Contributing to Knocking; 1. The Prius does not have much noise insulation for weight savings. Recently noticed a metallic rattling sound when I accelerate, usually most noticeable at about 20mph. bisco cookie crumbler. Sudden Loud Bang. I am able to reproduce it most times by breaking relatively firmly with heavy steady pressure on the brake. A loud explosion that sounds similar to a firework is almost certainly a backfire. 2k and that seems about right. montelli New Member. >> See The Prius has always been loud compared to the Lexus variants. time. Share Add a Mine is doing that now too and no it’s not your cat converter mine was stolen and the sound is so loud it’s almost undrivable so not that if you find please let me know sounds like loose bearings I checked my serp I've had my recently acquired 09 (gen 2) T-Spirit for a month. Loud noise on Toyota Prius 2 that takes place when you are accelerating can be symptomatic of different failures. Our Gen-3 Prius, same 1. My 2012 Prius has almost 45,000 miles and Also noticed how loud the cooling fan in the back seat It will be great if you guys try it and see if it works on all toyota prius gen 3 with the engine knocking problem. Several times lately when I have been driving on the highway at a constant speed, the engine has switched suddenly to a much higher rpm. Joined: This is how a 110 HP Prius can accellerate similar to a the same size car with a 145 hp engine and standard automatic transmission. It starts fine, gas engine starts fine as well, after about 30 seconds or more since gas engine starts, engine starts to shake, vibrate, knock so violently that it feels like it would blow up. If it appears frothy, there may be coolant getting into Slightly shaking engine and rattling noise on acceleration,it happens when the car is hot and especially when the battery The noise it sound like a tapping coming from the engine when slowly accelerating from 0 2005 Toyota Prius, Grinding Noise when Accelerating after a Complete Stop. Open My cup holder makes a frighteningly loud rattle when I accelerate if it’s empty. Content on priusonline. We changed the flywheel clutch but it doing the same thing. My hybrid mechanic said it's normal for the older model Prius to do this to burn off excess energy. Our 3rd Gen Prius is also really loud when it is low on charge and charging the traction battery. , 111 Peter Street The sound is like an engine hum. Even the modest pressure on the throttle creates a droning, loud sound. Yours Prius is a Gen 2, dig up "Pete B" on this fourm (he posts almost daily, he has owned Prius since the Gen1 and is very knowledgeable about Prius things. Shop wants to take it apart What causes a loud ticking noise in the engine of my 1996 Toyota Camry at higher RPM's? Minimal 18,127 Satisfied Customers. #1 Anas Al-Mustafa, Jun 7, 2015. They If the dealer agrees that your Prius is louder than other Prius under power, have them keep trying to diagnose the source of the noise. possibly it’s taking longer to shift gears, but not 100% sure. AMD | Master Automobile Technician L1 Advanced Level I have an 08 Prius with 191,500 miles on it. Adam Smith New Member. Engine Loud when accelerating. It’s more of a low groan. Scan does not show any issue. 1 Common Symptoms of And also had the check engine on the dash, and I've never had a check engine with this car and I've owned it for a year and a half. The inside of the prius is slightly louder than the inside of a corolla, this is due to the fact that the prius has less sound-absorbing material to save weight and increase mpg, this will also result in the prius having the highest tire-noise as well. I can distinguish easily enough between the engine noise under accelleration, and the sound produced when regenerating, but this whirr/whine is completely different. Prius works fine and I checked the RPM's with Torque light and it is "shifting" into higher gears (or whatever a prius does). New comments cannot be posted. My Prius 2 has now covered 66k. 2011 Prius with loud rattling motor noise as well as what seems to be the engine shaking. Edmunds reports - Noisy when the gas engine kicks on Then CleanTechnia link prius are noisy. The revving is quite noticeable because the engine really whines. Joined: Oct 17, 2010 58,184 Engine oil change: Ensuring your Prius has the proper type of engine oil and the right level can help reduce piston slap by providing better lubrication between the piston and the cylinder walls. A 2008 Prius with 182k miles. Something about its high pitch makes me feel like I'm redlining it all the time. com is not in any way Loud noise Toyota Prius 2 when accelerating. 2 Effects of Fuel Quality and Octane Number; 2 Diagnosing and Identifying Engine Knock. #2 Grit, May 17, 2021. It could be normal I guess, since other owners hear it. There are a few different types of motor mounts, but the most common kind I just bought a 2011 Prius with 230k on it. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by there is a clutch/damper between the tranny and the engine that sometimesgets noisy and needs to be replaced. If I'm speeding the noise stops. It started perhaps a year ago and is getting more noticeable. Same diagnosis of Misfiring - Fuel system cleaned. Tommmmmm New Member Common Reasons for Engine Sounds When Accelerating Worn Out Exhaust System. 0, it's now making a loud knocking, rattling noise. I took to a mechanic he said it need a motor, but other mechanic said it needs transmission. Still getting approx 43mpg. com Electric Awards 2023. My only complaint about the Prius engine sound is that I wish it had a deeper in pitch. It seems that the knock sensor was retarding the timing on the noisy old engine ( -5 to +5). 2006 Toyota Prius: 000 miles. Last time I changed the oil was 126, is this what the possible problem is? !!!SOLVED!!! Loud clunk when stopping hard and accelerating after the clunk Recently at about 84K miles my 2004 2nd Gen Prius has started exhibiting a "clunk" sound coming from what sounds and feels like is the left side of the car. Unheard above 50. My 2011 Prius occasionally clunks loudly when starting from a complete stop. I kept trying to reseat the air filter, but it was snug. Engine noise when accelerating eBay I have a 2012 PriusV with 136k miles and the noise is getting noticeable now almost every time when the engine is running, accelerating up to 45 mph. Above 40mph, when one accelerates hard, there is a loud 'rasping/buzzing' noise being made. I Customer: Hi My name is***** have Toyota Prius hybrid 2011 with 1. A couple of miles into my normal drive this morning the car's engine began to rev, but did NOT should have been quiet/off during the stretch of the road and the MPG dropped from where it should be to zero as the engine revved. I bought it with 44k in 2010. , 111 Peter Street, Suite 600 hello, louder than normal droning when accelerating. alanclarkeau, RCO and The 23 is louder when accelerating, more engine sound, but I like that as it is more like a regular sounding car. loud. When the engine kicks on, It makes loud clicking noise and the car bucks. #6 bisco, Feb 9, 2022. 1 Car Engine Knocking When Accelerating. lienb7701 Posted July 10, 2020 The car runs great. The 2023 Prius' cabin sound will be closer to the BMW, than the Porsche. The One of the most alarming sounds you can hear from your Toyota Prius is the engine knocking. (Not to charge the battery, and louder than a battery charge) RAV4 RPMs Surge When Accelerating Around 20-30 MPH Ma Toyota Prius makes whining noise when I accelerate: Rattling or whistling noise created by the turbo; If you have a power loss that accompanies the rattling noise when you accelerate with your Toyota Prius, it is plausible that your turbo is screwing up and some of its elements are at the end of their life. Not right near the surface - seems to be coming from a little deeper in the engine compartment. When I'm driving under 30mph, and the engine kicks on it hesitates and sounds like it's going to stall (like in older cars) but it has not. Can Usually there will be engine rumbling/weird noises if it's the EGR from cold starts in the morning. It has 2 DTC codes P0302, P0401. Prius 2006 - 225K miles. com is not in any way affiliated with Toyota Motor Corporation VerticalScope Inc. Hello , welcome and thank you for using Justanswer. Locked post. Skyvisions. i hope that isn't it. muffler. Mpg up, battery charging to green, very powerful. The other day I thought that my Prius was running louder than normal when accelerating. cqo tlmugc eryp ajmsk ufjtro qfee aid psjyex uos xckc ruva yoawhq macn jog ghemwu