I have read up quite a bit on this whistle that the 4.0 liter SOHC engine makes while accelerating. Sounds like something in the TB or intake to me. There are no definitive answers to the whistle that I could find. Need to resolve this whistling noise? It's a very high pitched whistle only while accelerating at about 1/3 throttle.
View 4 RepliesI have a 2015 ford f250 xlt crew cab, 6.2, fx4 with about 1200 miles on it. My questions are, I have noticed a hissing or whistling noise while accelerating. I took to dealer and was told it was the throttle plates not closing all the way.I was told they all do this. Normal? Very annoying noise with windows down. Another noise I have been having is the brake pedal makes a popping noise while applying pressure to brakes. Dealer said brake pedal assembly was out of alignment. They said was out of alignment 1/8". After adjustment within a few days popping started again.
View 6 RepliesI have a 06 2.0T and noticed last night when stopped at a light, a loud whistling noise was heard. When I would accelerate, the noise would go away but when coasting, it could be heard again. Is this the diverter valve? Is it easy to change?
View 12 RepliesI just installed a k&n CAI on my 3gs and i noticed a whistling noise when you accelerate from a stop and when you blip the throttle. If this is normal with a CAI or if something is wrong. I've checked for air leaks and made sure everything was installed correctly.
View 2 RepliesI have a 1996 Explorer XLT 4x4 and I hear what I call barring making a noise when I accelerate. If it is the bearings in the rear end how expensive is this to fix? I love my truck but I'm on a fixed income and scared to death. I will not drive it until I get some sort of idea as to what and where I should take it.
View 2 RepliesI'm the original owner at 50k miles with Ford ESP warranty. Drive-train still under original warranty. I started noticing a low growl hum noise and vibration felt on gas pedal when accelerating at about 40 MPH. At first I thought it was the road or tires.
Then a few weeks later on a slight hill the growl-low hum was accompanied with a much more noticeable/louder growl/grinding noise in a heartbeat like rhythm. Took it to dealer and they first said it was the transmission. It was replaced.
Then they said the noise was from the rear differential/axle. It was rebuilt, oiled and sealed. Taking it back today for another drive with the mechanic to show them again the problem persist. What it may be? Also, my MPG has dropped significantly from an average of 18 to 13. This is while driving on 4x4 Auto.
Have a Whistling or hissing sound while accelerating? My 2015 6.2 seems to make this sound while under load. I took to dealer and they claim its the throttle plates not closing all the way. Claims this is normal, but to me it is annoying. Just would like to know what others think.
View 9 RepliesI have recently noticed that there is a loud, high-pitched whistling sound coming from under my hood that has progressively gotten worse over the weeks. At first, it would only occur when I had my AC or heat on and would stop immediately once i turned the AC/heat off, and will also happen from time to time when I accelerate. Now, this noise is happening right when I start my car and takes a few seconds to stop.
View 4 RepliesI have a 2002 F250 with 189,000 miles. Im having some very bad issues that im trying to fix. The truck idles rough, with fluctuating RPM's. In certain speed reanges it also shakes and runs rough. If I turn the overdrive off the shaking pretty much stops, but it still accelerates pretty slowly. There is also a whistling noise from the front of the truck until the engine warms up, someone told me it sounds like a bad intake manifold? Does that sound right? What could be going on with my truck? All spark plugs and coil packs have been replaced, as well as the fuel injector rails.
View 2 RepliesRecently bought a 2012 gti last week, everything is great until I hear a weird whistling noise coming from the engine. I suspected it was the water pump, since i researched it and some people had the same problem. Brought it back to vw to get it checked and they said their was nothing wrong and it was a common problem.
View 11 RepliesWe have a 2012 Dodge Grand Caravan and has a whistling noise when starting up? We are in Wisconsin and its damn cold. It only does it when its cold out. Once the engine warms up it goes away. But my wife is freaking out about it. I am thinking it might be something with the air intake but not sure.
View 3 RepliesMy father-in-law's 2001 Lexus RX300 makes squealing/whistling sound when engine is cold. Multiple serpentine belts replacements and adjustments made no difference. One mechanic said it's the bearing inside the alternator, but I find it difficult to believe. Why would bearing sound go away when it heats up? Besides, having issues with bearings inside things like alternators and such.
View 1 RepliesUsually after I run the car in manual/sport mode, I begin to hear a high-pitched 'hissing/whistling' noise coming from the engine. It sounds like a vacuum leak. It is audible while driving with the windows down.
I am having problems pin pointing the source, but it sounds like its coming from the center block. What is the right direction to the leak? It starts exactly at 1500 and cuts off at 2200 rpm (while in gear). 1500 to 3000 rpm while in park..
I have a Takeda intake installed and I re-tighten the fittings.
Vitals - 2004 Ford 350 Diesel 6.0L, Approx 80k miles. Purchased a year ago, driven approx 8k over the year, not a daily driver but typically taken on at least two 45 mile drives (highway, country, and urban roads) once a week but often more and also used for long trips. Truck has had regular maintenance and no issues.
Symptoms: After loading mulch (by hand so it wasn't much weight), truck drove fine for 25 miles. After restart (got coffee and donuts), truck was fine through town but accelerating from 25mph to 55mph engine noise was louder and sharper. noise persisted when engine was above approx 1500rpms. After a period of time driving over 65mph, noise stopped and engine behaved normally. Even with the noise, engine never seemed to lose power.
Since that time(one week), about 50% of starts have resulted in the noise with no clear pattern of hot vs cold starts. Even after starts where the noise occurs, if the engine is pushed to 70mph sometimes the noise stops and it not present for the rest of the drive even at those lower rpms where the noise was previously present. I don't know if the noise would happen in park with a revved engine without going into drive but if I shift to neutral while the noise is occurring, it persists. Noise is definitely not related to vehicle speed but rather engine speed because going downhill if gas is taken off, the noise is not present regardless of speed.
I dropped my car(2003 explorer XLS) for a brake pad work at an auto shop. but when I went to pick it up, the engine made big knocking noise when starting. the mechanic told me seems the engine having problem. he was shock too because he admitted the car was fine when I dropped it.
He didn't do anything except the brake work and top of some oil(I told him to check the coolant and oil level). I towed it to dealer and was told the engine is bad, I need a new engine. he didn't give exact diagnosis, said that will cost more than $900. he also said the mechanic seems didn't do anything wrong.
The car doesn't show any other symptom except the noise, what might be the problem? I want to try whatever I can before rebuild the engine.
My 97 Explorer 4.0 SOHC has started to bog down when I press the accelerator. It feels like their is interference with the exhaust. I has a new muffler and there are no holes in the exhaust system. When I stop at a light or in traffic, it will stall. I have to keep the RPMs at 1000 while holding the brake. There is no check engine light on. Where I should begin to look?
View 6 RepliesIts getting worse. Noticed it a month or so ago, very slight ticking noise when the engine was cold. It would go away after a minute or two when the engine warmed up. Kinda sounded like a lifter ticking type noise when low on oil but I was not low on oil.
Now its getting more noticeable and it doesn't go away. Very noticeable when I take off or accelerate. less noticeable when I take my foot off the gas but its still there.
What it might be? I am pretty newbie about engines and I don't want some repair outfit telling me I need a rebuilt engine if all I need is to tighten my manifold or something. Because that would be my luck.
2000, XLT, 5 Liter V8, 178K miles.
It doesn't happen all of the time and it's not consistent as to when it occurs. Originally, I thought it happened when it was cold outside, but since it's been pretty cold here lately, I have not heard it. Also, it has occurred when the engine was warm (after driving for 20 min or so).
It sounds like it's coming from the engine block, but I'm not 100% sure. I have a 1996 ford explorer 6 cylinder 4.0L engine with approx 249,000 miles.
Just a quick question, my 2006 4.6 explorer has a ticking noise when you first start it up. It lasts for about 10 seconds and goes away. Sounds like a valve tappet when the oil needs changed etc. It has been running 5-w-20 in it like the book says. I'm going to change it again and see if it works. Any luck changing to a different grade.10w-30?
View 2 RepliesI have had my car since it rolled out of the plant. Along with other issues one of the most bothersome is a strange smell when I accelerate above 60 mph and it gets worse between 70 and 80mph. Additionally, when I pull into my garage after having smelled this smell on the freeway, I can smell it on the outside of my car.
My car has been in and out of the Ford dealership every month for many issues but this particular issue each time I bring it in. It wasn't until my most recent visit that they told me that with new cars one can occasionally smell this when undertaking a hard acceleration. Then I was asked if I have visited websites or asked questions on the web about this smell. But until now I didn't know what the smell was.
I have been on websites that say this is normal for new cars but if the smell gets worse over time there is a problem with the carburetor. I need to know exactly what to tell the Ford dealership when I go in again have them fix this problem. I also would like to know if this smell I smell is harmful to my children and I. And is it leaking the smell all the time but it is just over a certain MPH that I can smell it.
Yesterday after about a 2hr drive as soon as I got off on the interstate exit and started to slow down my Explorer made this horrible sound that almost sounded like a power drill or the engine over revving. Then it did it every time I would slow down for anything after that. At first I thought it may have been the transmission so I took straight to a tranny shop, and by the time they got around to looking at it (several hours later) they said they could not find anything wrong with it and could not reproduce the noise. So I started driving home and about an hour into the drive it started doing it again. It only makes the noise when you take your foot off the gas. As soon as you touch the gas pedal it immediately stops. Someone told me it may be the bearings in the tension pulley, does this make sense ?
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