I 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 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 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 RepliesWhat is going wrong to gs 300 engine rattling noise from LH bank when accelerating?
View 9 RepliesI've brought it to the dealer and mechanically, they can find nothing wrong with it. Their hunch is the hood deflector/bug deflector at the front of the car.
It just sounds really embarrassing as the sound is loud and I can hear it in the car with windows closed and no radio. I don't want to take off the deflector because I think it looks good.
My 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 RepliesI recently upgraded from my '14 IS 250 to a '15 GS 350. So far I am loving the car except for one thing. When driving above 50mph, there is a very loud whistling/squeaking noise coming from the driver side mirror area that is driving me crazy when the window is open. If i close the mirrors, it goes away.
I plan to have the dealer look when i go for the 5k service.
Faint humming/whistling noise coming from the drivings side of the motor. I can hear it when I put my head next to the drivers wheel well, and most certainly from that side of the motor when the hood is popped. It's not super loud, but it is noticeable. I know we have Direct injection motors, so I know that ticking is completely normal. Am I overlooking this and being paranoid? Car has 2100 miles on it. I don't know if it was there when brand new.
View 1 RepliesHave 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 RepliesOwning a Lexus . I recently bought an '06 model GS300 and have just had an issue appear with it.
Issue is that, whether in drive or reverse, the car accelerates on its own - not very quickly, but quickly enough that it'll crash me into my garage door if I'm not careful.
What this could be? Variously, I've read that it could be a Throttle Positioning Sensor, or Idle Air Control valve. Some things I've read suggest it could be air conditioning related (though I don't understand that one...).
I've noticed since yesterday that my engine has become really loud when accelerating - obnoxiously loud. Best way of describing it is it's taken on that "muscle car" sound when accelerating which I'm not a fan of. I've had company in the car and they've asked if I've "made the car louder". It also seems to be a bit more sluggish at accelerating.... either that or I'm subconsciously afraid to accelerate and push it too hard. I topped it off with oil because it was a bit low and that didn't make a difference. It is however, just about time for an oil change... could this play a factor? [URL]..................
View 11 RepliesWhen I accelerate from full stop with 3/4 throttle when car gets to 60-70 mph it stops accelerating for 1 or 2 sec, there is is also a little jerk. After that it continues to accelerate normally. The problem is not present if for instance we drive 30 mph and then use 3/4 or full throttle. I talked to dealer and they said there might be a little jerk but nothing more, and it might be solved by software update. In my opinion its definitely not a slightly jerk, car completely stops to accelerate for a moment. Car has about 45 k miles so its almost like new.
View 4 RepliesI've got a used '07 gs350.. Unfortunately I bought it without doing any computer scanning to find out the faulty parts..
After I bought it I found the check vsc and check engin lights are on ! The car is skidding while I start accelerating, Nothing controls it!
I did the scanning and they told me there is an open circuit in the O2 sensor. That was right they welded the wires and the lights went off for about two days then they came back again!
I took it to them and they did the scan again. The codes are p0430 and p0420. I think they are related to catalytic converter.. They said it has leak in the EVAP system.
Does this has any deal with the Gad Cap ?! Is it really the issue is caused by the catalytic converter !!!
So, lately I've noticed a slight fluttering sound in my '08 GS460 when accelerating on the freeway or up a slight incline. It'll kick in around 2,000-4,000 RPM, and it almost sounds like it's coming from right underneath the center console. I did have an exhaust system installed, then uninstalled, so maybe it's something the shop did, but can't be positive whether or not it was there before (always drive with my music on pretty loud).
View 4 RepliesYesterday for the first time while driving my gs460 2010 on the highway the front brake right side freezes for a sec after accelerating 100+ it keeps freezing for a sec . below that nothing happens everything is back to normal no brake freezing. Whats the reason or been through the same problem?
View 2 RepliesOver the last couple of days, my 2009 Sonata V6 has developed what I best can describe as a rattling noise near the engine when I am accelerating the vehicle (noise changes based on throttle input). I only hear the noise with the car in drive, if I shift into Neutral or when I am in Park I don't hear the noise when I rev the engine.
View 6 RepliesI have a 2009 sonata with 33k miles, the last few days i hear a rattle noise while accelerating, the noise disappears while driving at more than 40mph...
View 6 RepliesToday I noticed a pinging noise on the highway when accelerating around 60 mph. It certainly doesn't sound like its coming from the lower end and it happened with the engine fully warmed up. I've always changed the oil on time, never has it overheated and it performs very well otherwise, no power losses.
No check engine light is on. In fact, I have heard this same noise on older cars I have owned (Cutlass Ciera) around the same mileage 105000. I am thinking of adding an oil additive, and I have heard that 1 Qt of ATF fluid followed by a drain and refill works well.
I might also do a fuel system purge, BG's has a good machine for that Could this be an EGR issue? Replacing EGR valve? If so was it easy and where is it located. I am hoping I didn't break a valve spring....
Tonight while driving and accelerating fairly hard we began to hear a noise. The car sat parked for roughly 5 hours and then we began to drive it home (apx. 12-15 miles). About halfway through the drive the power steering went out and the battery light came on. The battery light would turn off and the drivers seatbelt light would come on even while it was buckled. These two lights alternated being on and off 2 times each. We heard something that sounded like a rock got kicked up into a wheel well. After getting the car home with no power steering we noticed the car had begun to run very hot. almost all the way up the gauge.
View 4 RepliesI recently bought a 2006 prius used with 100,000 miles and have been hearing a very disconcerning sound coming from underneath the car. It is a screechy noise that is always there, but especially when i accelerate or break going up a hill. I have had it checked out by both a dealership and an independent mechanic neither party has info what it could be, even after hours of troubleshooting, as well as showing then a video in which you can hear this awful sound.
View 4 Replies