Celica :: Car Drops The Acceleration - Louder Noise Under Load
Apr 18, 2014
I have 93 GT-S, AT, 2.2, 163,000 miles.
My problem is slow acceleration. As I get on the highway and give it the gas my car slowly climbs to my travel speed at 75 mph. She will climb steady at around 3000-3100 rpm. When I punch it the car revs to approx. 4000 rpm but then quickly drops back to 3000 without me letting off the gas. Almost sounds like its bogging down. Another thing I noticed while cruising at around 65 mph is that the car bucks a little but I don't hear any misfiring. Also, when I do step on the gas, the car is severely louder. Almost sounds like it's coming from under the hood. I tried parking it, opening the hood, and listened to the engine while giving her the gas but she sounds much quieter. So the louder noise seems to happen under load. Please note there is no check engine light.
Is this one issue or possibly multiple issues? Could my TPS be an issue here as well?
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[URL] ....
Listen closely right at 0:12-0:15. That is me accelerating for 3 seconds, and that sound like a rain stick is my engine.
2013 Elantra GT ...
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Transmission whine - YouTube....
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