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Discussion Starter · #1 ·
Hello all,

I was driving my 2001 Honda Prelude around the other night and decided to push the throttle a little (as I don't do this too much anymore). Just my luck - after about 30 seconds of hard turning and revving 1) My engine started making a loud 'wailing/wining' noise. 2) My check engine light came on 3) I lost a good percentage of power from the engine.

The car still drives but the noise is very loud, especially when RPMs increase. I will attach a video clip which contains the noise - the video doesn't record the noise exceptionally well, but it really is a loud noise. Any help on what is wrong and what to do will be greatly appreciated. I have not yet received a code # from the check engine indicator.

Car Image:


Engine Noise: (Sorry, .mov is all I could go) - 7.5MB
http://www.jeff-miller.com/pictures/prelude.mov
 

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Accidental said:
Hello all,

I was driving my 2001 Honda Prelude around the other night and decided to push the throttle a little (as I don't do this too much anymore). Just my luck - after about 30 seconds of hard turning and revving 1) My engine started making a loud 'wailing/wining' noise. 2) My check engine light came on 3) I lost a good percentage of power from the engine.

The car still drives but the noise is very loud, especially when RPMs increase. I will attach a video clip which contains the noise - the video doesn't record the noise exceptionally well, but it really is a loud noise. Any help on what is wrong and what to do will be greatly appreciated. I have not yet received a code # from the check engine indicator.

Car Image:


Engine Noise: (Sorry, .mov is all I could go) - 7.5MB
http://www.jeff-miller.com/pictures/prelude.mov
take it and get that code pulled. best way to find a place to start looking
 

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Discussion Starter · #4 ·
I'm in Knoxville, TN. I don't think I've been up to Ohio recently =) I will get the code pulled Monday at my local Honda Service Center. I hope it's safe to drive 10 miles to get there.. thanks for the early input. I was checking to see if anyone has heard this distinct sound.
 

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Discussion Starter · #6 ·
nbboy7 said:
probably spun a bearing that happen to my brother lude.
What is entailed in repairing a spun bearing? After some of these replies I am somewhat releived as I assumed I had more serious mechanical problems (pistons, rods, valves, etc) .. but then again I'm sure the car wouldn't run and/or I'd hear clunking noises if this were the case.
 

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Get a paper clip and pull the code yourself, right now, and let us know what comes up. If you dont know how, or where to find the plug to do this, check in the FAQ's.
 

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Discussion Starter · #9 ·
MacTown said:
Get a paper clip and pull the code yourself, right now, and let us know what comes up. If you dont know how, or where to find the plug to do this, check in the FAQ's.
I connected the two pins in the blue ECU connector. The 'check engine' light flashes just one time after I turn on the ignition. All of the other lights on my dash light up too. According to the FAQ, I believe this shows as a "10" - *Intake Air Temperature Cicuit
-Range/Performance Problem

Probable cause:
-Open or short in IAT sensor
-IAT sensor
-ECM
 

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Discussion Starter · #12 ·
I took the car to a Honda/Acura specialist shop (where I get major service done) and they said the timing belt tensioners have gone bad. They said the noise is the timing belt hitting around. Since they are already in that area I told them to go ahead and replace the belt (The car is at 71K miles). I already had one tensioner replaced in 2004 with 41K miles. They said this is a common problem in Preludes.

Other issues I had fixed were: Bad O2 sensor (making the fuel mixture rich) and a faulty ABS sensor/computer.

Total repair: $1,500+ - Any more issues arising from my Lude and it's good-bye.
 

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Accidental said:
What is entailed in repairing a spun bearing? After some of these replies I am somewhat releived as I assumed I had more serious mechanical problems (pistons, rods, valves, etc) .. but then again I'm sure the car wouldn't run and/or I'd hear clunking noises if this were the case.
My 99 type sh put down 193 to the wheels with 8 bent valves, it would still run bro :lmao
 

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Accidental said:
I took the car to a Honda/Acura specialist shop (where I get major service done) and they said the timing belt tensioners have gone bad. They said the noise is the timing belt hitting around. Since they are already in that area I told them to go ahead and replace the belt (The car is at 71K miles). I already had one tensioner replaced in 2004 with 41K miles. They said this is a common problem in Preludes.

Other issues I had fixed were: Bad O2 sensor (making the fuel mixture rich) and a faulty ABS sensor/computer.

Total repair: $1,500+ - Any more issues arising from my Lude and it's good-bye.
Damn bro' this is the 2nd time that the tensioner has gone out on you? Why dont you get the Manual Tensioner swap done?
 

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Discussion Starter · #15 ·
Part 2 - It seems very low oil caused the balance shaft to become permanently damaged. The mechanic told me he has removed the balance belt before on other Hondas and they have run fine (with little extra vibration at high RPMs). I was like 'shux', but did a little research and found that these balancing shafts decrease a slight amount of horsepower in the process of balancing the engine during combustion. They told me as long as there wasn't other engine damage, there is no short or long term damage to be done with the void of this balancing shaft belt.

Has anyone removed their balancing shaft belt on their Honda/Acura? Was it for added performance or because of necessity?
 
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