Engine knock/rattle vs. fuel injectors??? Any help?, Video and description... Options

[celicakitten]

So I've had my car for three months now and still cannot figure out what this noise is! I'm by no means a mechanic but have common sense around cars, celicas inparticular. It's a mostly stock 7a-fe with 194k and 5 spd tranny. The car runs fine, and since I've had her changed the oil, spark plugs/wires, exhaust manifold/down pipe(original was cracked), and have had no other problems...not even a check engine light. I can't find anything loose that would rattle, but there is a significant power steering fluid leak.

http://youtu.be/FOrH0HC7l5w

Please see the video I put on youtube to hear the noise, which is most notable on a cold start and anytime I'm constantly holding revs over 2500rpms, but will stop if I floor the gas or let off it completely...It's very annoying on the freeway(but isn't noticable with the radio on! ha!). I'm thinking maybe a bad piston ring, or possibly something in the fuel injectors??? I should also say the noise does seem to emit from the passanger side of the engine bay. I'm worried it may be time for a rebuild as I do not know how the previous owners treated her. If that is the case my biggest challenge would be finding someone I trust to do the work, but I'm sure you guys can help point me in the right direction for that!

[CrossCudi]

good thing i searched before posting.

i was gonna ask around and see if anyone can help me with this issue and found this thread =]

i have the same noise, except mine isnt that loud at start up,.. its most loudest and highest rattle point is while cruising around 2800 - 3300 rpms, but when i raise my rpms it goes away until i release the gas.
the sound is exactly like the video. i also have an at200 with 185k miles.. are these motors notorious for this ?
also jus recently had to fix the most annoying oil leak ever,.. about a week ago i replaced, Water Pump, Timing Belt, Crankshaft Seal, Timing Belt Tensioner Roller, Valve Cover Gasket, Camshaft Seal during the fix of my leak,.. i thought one of these would make that annoying rattle sound go away but it didnt =[

Ooohhhh man, I hate to break it to you but that noise turned out to definitely be rod-knock. I got about 5 months of driving her nicely before it threw the rod and put a hole in the block. I have another rebuilt engine now thanks to Smaay, but you will want to take care of it sooner than later!

^^^ if its tapping now, it might be salvageable, dont run it till it siezes up like celicakitten did. pull the engine now, tear it down and inspect it. im willing to bet the bearings look just like the ones i posted.

thats horrible guys, i was hoping it wasnt as bad as it sounded,...
this is my daily driver car and my job is an hour away from home
and adds 30miles jus going one way, so i put about 300miles a week..
so with that math, im guessing my car is about to give any day..?/ =(
im far from the mechanic type and the time it would take me would really cost me.
besides that annoying sound, my car is running great at 185k, no check engine...

questions that are running thru my head,,
do i take it to a mechanic? do i sell it ? or do i swap..?
which ever it is, i will have to borrow my dads car while this is happening,.. =[

sad that im all the way on the other side from u guys,..