Recent content by NCGX

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    Knocking Sound from Engine Bay at idle after warm-up, 2025 GX 550 Overtrail

    Hello all, no new real update here other than that the noise is still present at idle when warmed-up… mileage is now at 1600 miles or so. I’ve had two people from the dealership say that it’s normal noise from the fuel injectors, but still find that a little hard to believe. I tried to record...
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    Knocking Sound from Engine Bay at idle after warm-up, 2025 GX 550 Overtrail

    Thank you all for your replies. I may take it to a different dealership for a 2nd opinion. I agree, the “diesel sound” does not sound right, especially for a new gx550, with only 800ish miles. Have not been impressed with Lexus quality thus far (loud brake squeal, cracked tail light from the...
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    Knocking Sound from Engine Bay at idle after warm-up, 2025 GX 550 Overtrail

    Not yet, wife is driving the car, but I’ll make sure to record and upload it when I get a chance. BTW, I did take it to the Lexus dealer in San Diego, and they claim the noise is normal. Don’t know if I believe it, but will definitely keep an eye (or better yet an ear) on it. Other than that...
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    Knocking Sound from Engine Bay at idle after warm-up, 2025 GX 550 Overtrail

    Hi All, we just bought a 2025 GX 550 Overtrail a few weeks ago and have noticed a knocking sound at idle coming from the engine bay after the engine has reached normal operating temp (I.e. after 10 min of driving or so). The sound is very noticeable from the cabin, especially when stopped at a...
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