RX330 Loud Growling Noise on Quick Acceleration - Any Ideas?
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RX330 Loud Growling Noise on Quick Acceleration - Any Ideas?
I have an 05 RX330 with about 120K on it. I've had it for about a year - no real issues. The car has a slight rattle coming from the engine compartment on the driver side on acceleration. From what I have been reading, that noise is normal on these cars. What I don't find normal is that it has an intermittent loud growl on quick acceleration from a complete stop. It sounds like the exhaust of a muscle car from the 60s, like Toretto's car in the Fast and the Furious. It happens like at 2500 RPMs for a few seconds then it goes away. The noise is in the same area. It's driving me nuts. And just like everything, whenever I take it in to the shop to have it checked out - it does not make the noise. So far it has happened twice. Last week and last night. I'm afraid it be the transmission, but no check engine light, no loss of power, and the transmission shifts normal. I'm thinking it's an exhaust leak, but as mentioned before - no check engine light. If there was an exhaust leak I would imagine it would trigger an emissions code. Any ideas anyone?
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xclass
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08-02-23 01:32 AM