Developed Knocking noise under load

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Developed Knocking noise under load

Postby Ericnz on Sun, 25 Apr 2021 4:20 +0000

Hi all
I have been towing an empty trailer 10x5 and all of sudden noticed this horrible knocking noise when under load. More noticeable on Power Mode, and now maybe because I know it's making a noise I can hear it (not as severe as when towing) without anything in the back.
Have attached a video for reference, quite disappointed as Toyota is known for being bulletproof but it seems otherwise.

Volume may not be loud enough, my apologies.

If any idea, any input would be much appreciated.


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Location: New Zealand


Re: Developed Knocking noise under load

Postby Ryan1kd on Tue, 11 May 2021 1:06 +0000

I wouldn't stress too much, sounds like may just need a re-learn....if in doubt...take it to toyota and express your concern and ask them to run a diagnostic on the injectors and report back on feedback values and any findings. Alternatively, take it to a diesel specialist and ask them to do the same thing. Doesn't sound mechanical to me.
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Location: Adelaide, SA

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