My wife's Camry is making a humming noise when in motion, not impacted by wheel turns or by brake application. 2001 Toyota Camry. a police report was not filed and no injuries were reported. I just got a 2015 Toyota Camry. I replaced the wheel and tire, however I now hear a humming noise when I drive. Styling, packaging and ride and handling compared favorably to that year's best-selling Honda. Camry Hybrid's powerful shape and captivating style will announce your arrival—with authority. It's sounds as if you're blowing over the top of an open soda bottle. What could be making a humming noise in Toyota Camry car, only happens at 45mph, and 70mph, no other symptoms. The Hybrid feels like a totally different car than other models, as it slows everything down and makes the vehicle feel bigger. Average repair cost is $2,300 at 117,700 miles. While driving, I observe there is a lot of strange noise in the cabin of the car, and it increases with speed especially on the highway. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. The car’s engine speed will fluctuate up and down as the engine computer struggles to find the right mix of fuel and oxygen. During the. 5-litre four cylinder engine - a very reliable motor - but the rattle you are describing is found in some of these engines. When the car sits for more than 4 hours in the garage. They are a perfect option to go if you want. It's normal. Seatbelts should be worn at all times. The muscular shape is defined by a pleasing blend of sweeping curves and chiseled surfaces. Ever since I got it, many times (but not all) when I pull in garage turn off engine I hear sort of a humming noise, seems to be from dash. When the speed (gas pedal) is either increased or decreased the sound goes away. Toyota has announced that there will be a recall on 270,000 Lexus (and one model Toyota) worldwide — from The New York Times:. Overall I like the car. Cost There are a lot of factors to consider when calculating the overall cost of a vehicle. ? I have a Toyota Camry LE 4cyl 2000 -- 44k miles. Toyota Safety Sense-P is standard with adaptive cruise contol, lane departure warning / lane keep assist, emergency auto. Will check that area specifically next time I hear the humming. Keep in mind that car sounds are difficult to figure out sometimes, and car sounds and noises vary with temperature, road conditions, incline and decline, vehicle speeds, etc. If your driveline system parts are in need of repair, don't compromise the performance and safety of your car with suspect, off-brand replacement parts from the. Read more Toyota reviews to learn about other models. the contact stated that while driving approximately 15 mph, an abnormal noise was heard from the front passenger side wheel. It idles quietly, and can drive under 45 mph. Sales of the 2000 Toyota Camry retreated slightly to just under 423,000, ending an eight-year streak of sales increases. Hello Austin, I am new to your site, but have enjoyed getting a chance to read your answers to many common car problems. The all-new …. but then I figured a Camry may not have one. Years 2002 to 2015 - Duration: 2:07. Not a good position (obviously) if you happen to drive through water. txt 7-Zip ~~~~~ License for use and distribution ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 7-Zip Copyright (C) 1999-2010 Igor Pavlov. In the following years, the Camry became a sales success everywhere it was sold. Both the 2016 Toyota Camry and the 2016 Toyota Avalon are excellent sedans -- and the two models offer few major differences in terms of quality, equipment, powertrains and design. 1999 Toyota Camry Engine makes a humming sound when driving For The Past Several Months I Have Been Hearing A Humming Noise Coming From The Rear Passanger Side Of. On XSE trims we observed more road noise intruding into the cabin, quite possibly due to this sporty trim's 19-inch tires. Toyota Corolla Transmission Replacement Cost Estimate. I have loud roaring noise when driving sounds like front tires. Whirring buzzing noise when car is off, in garage hours after shutdown. The other night, my wife popped her head into the garage to throw something in the recycle bin and heard a buzzing noise. It sounds like it is coming from the right side of the car, but that could just be my feeling. It sounded. A hardened criminal and hypocrite?. The all-new 2. It sounds like it is coming from the right side of the car, but that could just be my feeling. Peter Finn the Car Doctor 155,612 views. Did they stop making them for newer vehicles? Does Haynes wait until Toyota does a major rehaul to pring their manuals (I noticed the. The belt was fraying. When the car sits for more than 4 hours in the garage. We had already been to Toyota of Glendale (Service dept closes at 9pm), and they wouldn't even look at the car, telling us…. Within the Toyota model lineup, the value-packed 2016 Toyota Corolla and the redesigned 2016 Toyota Prius make excellent use of the CVT transmission. Brake noise is always reason for concern. If that one makes the. Quote of the Day At the cur rent rate, where the average guy is going to save about $14 a. Plus, better MPG to boot. As far as headroom and legroom go, there's not much difference between the Honda Accord Hybrid and the Toyota Camry Hybrid in the front seats. tl the contact owns a 2017 toyota camry. All Reviews and an acoustic noise-reducing front windshield. The Toyota Camry Hybrid returns as part of the lineup for the 2018 model year, and its powertrain now takes the new 2. trips each way. 2009 Toyota Camry / I have loud roaring noise I have loud roaring noise when driving sounds like front tires. Toyota Hybrid vehicles like Prius or Aqua have what is known as series hybrid drivetrain compared to parallel hybrid in Honda vehicles like Vezel. Toyota can't be blamed for a lack of effort: The 2018 Toyota Camry Hybrid is dripping with it. CARspec had the opportunity to address a howling noise while driving on a 1999 Toyota 4Runner. A seemingly endless chain of bad news is making me feel as though these must be the worst times ever. My Toyota Camry receives good mileage and has a smooth ride. I was told by the local dealer that it would cost $6600 to replace so I went the used route and replaced it with a 26k tranny out of a 2009 Hybrid for only $2200. Now the car makes the same noise but it is a deeper pitch and less frequent. You need a Toyota dealer to look at it. It sounded. I have searched for a 2016 Toyota Camry Hybrid LE Haynes Manual and can not seem to find one anywhere online. Toyota Camry Clicking or popping sound is coming from wheels Inspection at your home or office. When I accelerate there is a load humming noise coming from the engine. What are the DTC codes related to Toyota Corolla transmission problems?. Take a closer look at how the innovative transmission design works in addition to the pros and cons of a Toyota CVT transmission with this brief overview. Toyota also says the 4-cylinder engine's noise, vibration, and harshness levels are reduced, and thanks to recent experience driving a 2017 Camry with a 4-cylinder engine, I can attest that this. Now, Fellas!I took this. A hardened criminal and hypocrite?. This is hours after using the car. Brand: Humming noise on road: Is it the tires or the wheels? This summer I noticed the tires were making a "humming" noise in a kind of off-on-off-on manner. The result is an exceptionally rewarding driving experience that takes Hybrid to a new level. I thought SHE was crazy, but when I walked by the fuel lid, I heard it clearly. In comparison, gas-powered cars are noisy. The 2018 Toyota Camry is a redesign of the midsize sedan, beginning the next generation of the Kentucky-built car that's been a best seller for 15 years. This usually happens when i'm on the interstate, and the humming is coming from the front of the car, it's hard for me to pin point where (at 70mph). Do not allow passengers to ride in cargo area. I have a 2008 camry it has started making a loud humming noise when driving wife says it sounds like driving an a road - Answered by a verified Toyota Mechanic We use cookies to give you the best possible experience on our website. I have the 05 Honda Accord Hybrid. I replaced the alternator and battery each more than once to no avail. The fear of a costly car repair may be upon you when you have car problems. Toyota Avalon Hybrid - outstanding comfort, appearance, safety, and performance. the vehicle was taken to the dealer where the failure could not be diagnosed. Find out why and see photos of the new-for-2018 model at Car and Driver. If your Camry's stereo is making a whining noise, it is usually caused by a condition known as "alternator whine". Toyota Camry Car is making a noise Inspection at your home or office. **Cash Back offers includes funds from Toyota of Scranton, Toyota Financial Services and Toyota Motor Sales combined. Along the highway the hybrid powertrain makes a mere hum, with excellent wind noise suppression from that striking body. Good tread design balances the performance and noise throughout the life of the tire. I like the Defender's Mileage warrenty. Problems Shifting 253 complaints at an average of 104,191 miles in the 2002 Toyota RAV4. Alternator whine is a product of a drop in voltage between the radio and the alternator itself. Vehicle: Toyota 2011 Camry 4 Dr Sedan XLE 17" option. The humming noise is most noticeable during idle, and the pitch increases with acceleration. Camry Hybrid making weird noise on battery power it's the continuous humming noise when the car is moving. Toyota also says the 4-cylinder engine's noise, vibration, and harshness levels are reduced, and thanks to recent experience driving a 2017 Camry with a 4-cylinder engine, I can attest that this. I have noticed some abnormal noises coming from the engine in the 2015 Toyota Camry I recently bought. My Toyota Camry receives good mileage and has a smooth ride. To see how frequently Toyota Prius problems occur, check out our car reliability stats. Did they stop making them for newer vehicles? Does Haynes wait until Toyota does a major rehaul to pring their manuals (I noticed the. The only issue with the brake system I've had is that it can making a squeaking sound sometimes. Peter Finn the Car Doctor 155,612 views. It is usually way more noticeable on the A. I don't know if it wheel bearing,. ) It had only 91777 miles on it. 5L 4cyl 6A) Review The road noise consumers complain about is not due to tire noise as many think even though it seems that it is the tires. Why does this happen and how to get rid of this embarrassing problem? With frequent use over time, many car components wear out and start showing issues. A buzzing or low pitched humming sound can be the result of a bad bearing in the steering system, water pump, or alternator. Is your car making noise? Do you need help trying to find it? I'm sure with the tips outlined here you'll be able to figure it out. There are other websites I have found with virtually hundreds of people who have had. Our vehicle's transmission is the most complicated component of our vehicle and can be very costly to fix. 4cy 2007 camry 112K, started a whining noise this is a seperate whine, from the normal standard engine humm. As I glanced behind me I saw a modern Toyota Prius turn down the street and drive away. My stereo system is clear and concise. When the 2008 Chevrolet Malibu rolled into dealers' showrooms, some automotive pundits commended Chevy for finally making a good American Accord. txt 7-Zip ~~~~~ License for use and distribution ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 7-Zip Copyright (C) 1999-2010 Igor Pavlov. How to Troubleshoot the Exhaust System in a Toyota Camry. The latest-generation 2019 Toyota Camry embodies this. Can you help me with this question? I just bought a 2014 Toyota Camry (5days ago), and early yesterday morning (approx 5am) we heard a noise coming from the rear end, trunk area of the car. It is a constant noise that gets louder at higher speeds and is nonexistent at very slow speeds ( Help: Humming noise coming from front end while driving - Toyota 4Runner Forum - Largest 4Runner Forum. Companies such as Toyota, Siemens, NestlB, Sony, and Samsung have often outperformed their US. We carry a wide array of brand name tires at low prices. My wife drives a Honda Accord. My 1999 Toyota Avalon is making a squealing noise. OK - so I'll jump on the band wagon too - with a humming noise. Listen Toyota 2. Toyota Camry. This is hours after using the car. CARspec had the opportunity to address a howling noise while driving on a 1999 Toyota 4Runner. 2015 Toyota Camry Hybrid on teh Road 2016 Toyota Camry LE is the featured model. Our vehicle's transmission is the most complicated component of our vehicle and can be very costly to fix. Good news: The quest for 50 mpg need not end in a Toyota Prius. For the past several months my car has been making a horribly loud buzzing/grinding noise underneath the hood area. Took them to Sams Club and they rebalanced the tires and rotated. as a result, she crashed into the rear of another vehicle. Cool build and cool use of web skinning. Vacuum leaks often produce an audible hissing noise created by air being drawn through the failed hose. I replaced the wheel and tire, however I now hear a humming noise when I drive. 2018 Toyota Camry First Drive: The Same As Ever, But Better Toyota will also continue to offer a Camry Hybrid. Do mommy bloggers make a circus! Chasing that ball go! Chrysler denied the appeal. Our 10 Best Tires for Toyota Camry's can be found all in a comparison chart below. Whining noise when accelerating is annoying. Toyota also says the 4-cylinder engine's noise, vibration, and harshness levels are reduced, and thanks to recent experience driving a 2017 Camry with a 4-cylinder engine, I can attest that this. The noise may be less noticeable in summer than in winter due to the rubber expanding and contracting with temperature. The noise goes away after it is warmed up a bit. 5-liter V-6 with Toyota’s direct- and port-injection system, and a hybrid that now features the. The newest I can find is for the 2015 model. It is a constant noise that gets louder at higher speeds and is nonexistent at very slow speeds ( Help: Humming noise coming from front end while driving - Toyota 4Runner Forum - Largest 4Runner Forum. I was told by the local dealer that it would cost $6600 to replace so I went the used route and replaced it with a 26k tranny out of a 2009 Hybrid for only $2200. Order today for cheap and fast shipping!. It has one serious problem which it has had for several years now. The latest iteration sees this machine dressed to be more daring and less generic, and it instantly and powerfully communicates its identity from a mere glance. Size: 215/55R17. The V6 Camry has long been a pleasant. Toyota also has Chevy Cruze, which may be the company’s Insight. Toyota Camry owners have reported 37 problems related to loud engine noise (under the engine and engine cooling category). Humming noise at highway speeds 8 Answers. the failure mileage was 256. I have a 2012 Prius PHV with 50K miles on it Strange series of events last couple of days1) Went to friends home last night, park the car, come back after 30 minutes and car would not start. It's normal. The 2007 Toyota Camry has 1 problems reported for roaring noise in front end of car. Toyota rates the hybrid Camry at 5. This separation causes the strut mount bearing to shake when the Camry is driven over rough road surfaces, resulting in a constant rattling noise in the front end. For the past 2-3 months, there is a humming/low frequency sound, that appears to be coming from the left front. This happens once you drive the truck around for like a block(not on cold. When I stop at red light it don't make no sound. Toyota Camry owners have reported 37 problems related to loud engine noise (under the engine and engine cooling category). I have searched for a 2016 Toyota Camry Hybrid LE Haynes Manual and can not seem to find one anywhere online. The only problem is noise. There are varying degrees of issue, ranging from "annoying but safe" to "unsafe, pull over immediately. When the fan comes on the car idles up and the hum pitch increases. I sold the car back to Toyota and bought a Hybrid. The result is an exceptionally rewarding driving experience that takes Hybrid to a new level. 2007-2012 Toyota Highlander – Common Problems A 2008 Toyota Highlander Hybrid. The all-new …. M band of the radio. Solaras were unchanged. Problem background: regardless of which gear I am on (2nd,3rd,4th, 5th or even on neutral), when I hit 70Km/h and above, there is a humming/whirling noise coming from the front. Toyota Camry Strange Noise at Cold Start. It's sounds as if you're blowing over the top of an open soda bottle. Got under the bed (vacinity of the rear axle) and something "motor like" was definitely making a humming noise. Brand: Humming noise on road: Is it the tires or the wheels? This summer I noticed the tires were making a "humming" noise in a kind of off-on-off-on manner. Toyota Corolla: A245E Transmission Toyota Corolla: CVT transmission. In the following years, the Camry became a sales success everywhere it was sold. The battery rapidly drains when the car sits for a couple of days. Autobytel features real consumer reviews that give the unbiased experience of a car. I have a 2008 Toyota Camry LE (4 CL). If I increase my speed it get louder. Toyota Camry Hybrid owners have reported 4 problems related to brake loud noise (under the service brakes category). It includes Toyota. Let's check out the reasons for a steering wheel makes noise when turning: At low speeds Power steering system or the suspension is the reason for creating noise at low-speed turning. When I accelerate there is a load humming noise coming from the engine. Variant of numerical. In 1983, Toyota introduced the Camry as the replacement to the Corona. I’ve only had it about 5 months and it has 5000 miles on it. The 2017 Superb is an all-new car built on a new platform. Toyota's biggest global seller returns to UK for the first time in 14 years, with all-new design and ULEZ-friendly hybrid power First Drive Toyota Camry 2019 review. Hi everyone, I have a 2912 2. Read more Toyota reviews to learn about other models. Ride comfort is. Hello, I am trying to diagnose a sound that is coming from my 2001 Camry 2. Whirring buzzing noise when car is off, in garage hours after shutdown. Get real time information through Toyota Camry Hybrid. Its starts out low and gets louder as you speed up then about 60 it mellow out. A grinding noise is most frequently associated with problems with brakes,. Let's check out the reasons for a steering wheel makes noise when turning: At low speeds Power steering system or the suspension is the reason for creating noise at low-speed turning. The 2018 Toyota Camry features three updated powertrains including a base 2. 2018 Toyota Camry First Drive: The Same As Ever, But Better Toyota will also continue to offer a Camry Hybrid. Did they stop making them for newer vehicles? Does Haynes wait until Toyota does a major rehaul to pring their manuals (I noticed the. In the following years, the Camry became a sales success everywhere it was sold. Exciting isn't the right word, but the new Toyota Camry hybrid is no longer painfully boring. The Toyota Prius’ greatest strength is its fuel economy ratings of 51/48 mpg city/highway that surpass hybrid and gasoline cars in this price range. The most recently reported issues are listed below. The car revs loudly with the rattle then settles down, and after a few min. At cruising speed it is not there. We currently carry 10 Fuel Pump products to choose from for your 2003 Toyota Camry, and our inventory prices range from as little as $33. Purchased the 2010 Model as a demo with 6500 kms at a considerable saving and by upgrading during the recent Toyotathon got a fleet discount on the new H which reduced the changeover by about $4000. I have a Toyota Camry with a vibration problem. Also please check out the statistics and reliability analysis of Toyota Camry Hybrid based on all problems reported for the Camry Hybrid. It sounded. purchased Toyota Camry LE 2015, brand new, in the end of May 2015. I am still able to drive my 2005 Camry out of town 4 hr. The fear of a costly car repair may be upon you when you have car problems. My Rav4 Hybrid's electric A/C compressor makes low, steady continuous hum, most noticeable when the engine is off. Autobytel features real consumer reviews that give the unbiased experience of a car. There’s also the noise from the friction of the tires meeting the asphalt. Have a 2015 Rav4 XLE, about 10 months old. Take a closer look at how the innovative transmission design works in addition to the pros and cons of a Toyota CVT transmission with this brief overview. On 2 occasions when I went in my garage at home I heard the car humming from the center/rear (not under the hood). ? I have a Toyota Camry LE 4cyl 2000 -- 44k miles. There's little stunning beauty or tactile materials, but then again this is a $27k family sedan and not a Range Rover. What could be making a humming noise in Toyota Camry car, only happens at 45mph, and 70mph, no other symptoms. The 2018 Toyota Camry is a redesign of the midsize sedan, beginning the next generation of the Kentucky-built car that's been a best seller for 15 years. Completely dead. The muscular shape is defined by a pleasing blend of sweeping curves and chiseled surfaces. The Toyota Camry started out as a compact car, but more recent models are mdi-size. Lastly, the following information should sate your Camry Hybrid numbers appetite. Let's check out the reasons for a steering wheel makes noise when turning: At low speeds Power steering system or the suspension is the reason for creating noise at low-speed turning. Yup, I experienced the same issue with my 2014 Toyota Camry at about 8k miles or maybe a little more. Well ever since then, my car has been making a humming sound at high speeds (from 50-70mph). Get reliability information for the 2005 Toyota Highlander from Consumer Reports, which combines extensive survey data and expert technical knowledge. My Rav4 Hybrid's electric A/C compressor makes low, steady continuous hum, most noticeable when the engine is off. Squealing noises can be nothing more sinister than dust and accumulated debris that has gathered on. It is usually way more noticeable on the A. SET is based in Deerfield Beach, Fla. Approximately five hours after the hybrid system is turned off, you may hear Humming noise rear. 2015 Toyota Camry Hybrid on teh Road 2016 Toyota Camry LE is the featured model. Car was checked out by a mechanic and aamco but. Of course, the Accord hybrid is a different beast from the gas-burning Accord. companies in a wide range of industries have developed truly global operations, making and selling their products worldwide. I have a 2000 Toyota Camry XLE V6. Now the car makes the same noise but it is a deeper pitch and less frequent. But it doesn't change when you turn to the left or the right. V6 Camry: Now over 300 strong. Pricing varies by model. My arm is broken right now and it's really difficult to investigage anything beyond the fact that I. News & World Report. fnuno1 Novice Dec 4, 2011, 4:29 PM Post #1 of 9 (2992 views) 94 Toyota Camry loud buzzing noise when running HELP! Sign In. Humming noise on road. Here's the strange part. The new Toyota Camry Hybrid. Asked by Asgar Sep 15, 2010 at 07:43 PM about the 2007 Toyota Camry Hybrid FWD Question type: Maintenance & Repair car is 70000 miles, tires are 38000 miles old, car is makind a humming noise on newly paved roads, increases with the speed, not as obvious on cement roads. This car was sold to me as a luxury car and it does have all the technology but once I took it on the freeway it was a different story. On XSE trims we observed more road noise intruding into the cabin, quite possibly due to this sporty trim's 19-inch tires. Hello, I am trying to diagnose a sound that is coming from my 2001 Camry 2. comoxvalleyrecord. I also have the loud droning/humming noise when the temperature warms up. The new Camry Hybrid is a winning combination. 2018 Toyota Camry and Camry Hybrid. I have a weird buzzing noise (not too loud but definitely audible) that is coming from the driver side engine bay area - I can hear it when in the driver seat. Car was checked out by a mechanic and aamco but. Also the trunk space is huge and able to hold many items. 5-liter I-4, a 3. Electric RC cars don't create much noise especially the ones with brushless motors. Comparison Table: 10 Best Toyota Camry Tires. Toyota and Lexus growling/humming noise that gets worse with speed – a common salt belt failure Previous Next One of the most common concerns we’re asked to address here at CARspec is a growling, humming, or grinding noise that gets worse with speed. I did hit a curb that blew out my tire a couple weeks back I hit it dead-on what could it be the spindle hub or the CV axle. If your driveline system parts are in need of repair, don't compromise the performance and safety of your car with suspect, off-brand replacement parts from the. The Camry will go on sale in the first quarter of 2019 with a gasoline hybrid. ill be tearing out my rear end within the next week or so to track down the noise. the failure mileage was 40,000. Problems with mass air flow sensors are common in many cars, including BMW, GM, Volkswagen, Mazda, Toyota, Nissan and other brands. As far as headroom and legroom go, there's not much difference between the Honda Accord Hybrid and the Toyota Camry Hybrid in the front seats. I have only driven the car for 1 month in Nigeria and I am still using the Pirelli Winter tyres the car came with. That said, I'm less than impressed with the reliability ratings that Consumer Reports is giving the Accord gas-burners (they don't rate the hybrid). Weird Noises Your Hybrid Makes—And Why By Lyndon Bell If you're driving a hybrid, some of the weird noises your hybrid makes may be leaving you wondering what's going on in there. The dealer claims "it's not broken in yet"; good one. Toyota Prius Suspension Problems. Listen Toyota 2. This car was sold to me as a luxury car and it does have all the technology but once I took it on the freeway it was a different story. but then I figured a Camry may not have one. ? I have a Toyota Camry LE 4cyl 2000 -- 44k miles. On 2 occasions when I went in my garage at home I heard the car humming from the center/rear (not under the hood). The 2005 Camry has adequate space inside and out. This happens once you drive the truck around for like a block(not on cold. In comparison, gas-powered cars are noisy. the vin was unknown. I couple months ago I got in a minor accident where I veered off the right side of the highway, the car dropped down on a jaggedy edge, and the front right tire and. It started lighter, but I think it has gotten worse over the last two weeks. Why does this happen and how to get rid of this embarrassing problem? With frequent use over time, many car components wear out and start showing issues. The rear seats are as comfortable as the front seats and with. I have a 2008 Toyota Camry LE (4 CL). It has started to make a humming noise that only seems to happen at about 55mph and seems to go away at about 70 plus mph. If I increase my speed it get louder. Priced from $27,800 to $32,250 depending on trim, it will return as much as 52. Humming noise at highway speeds 8 Answers. Over the last 6 months it has gotten more pronounced and sounds like dry tappetts or some such thing. The first thing to assess is where the noise is coming from. Any thoughts? Thanks. If there's experience a strange buzzing noise coming from the engine of your car, especially if it's an older model, there could be a number of causes. 2007-2012 Toyota Highlander – Common Problems A 2008 Toyota Highlander Hybrid. I noticed that my car starts to hum at 45mph, but if I go under 45mph or over 45mph, it stops it also does it at 70mph when I'm on the interstate, but quits if I go below 70 or more. Hi everyone, I have a 2912 2. When the speed (gas pedal) is either increased or decreased the sound goes away. toyota camry 2014 Complaints VEHICLE SPEED CONTROL. I was driving my 2003 Toyota Camry LE today (while it was snowing) and I had my windshield wipers going at full. Getting firsthand information from an actual car owner is one sure way to get an idea of car performance once it leaves the lot. Good news: The quest for 50 mpg need not end in a Toyota Prius. But as I tracked the noise down, it was coming from underneath the rear of the 4R above the spare tire.