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.
https://youtube.com/shorts/9AdW3DEmjJA?feature=share

If any idea, any input would be much appreciated.

Thanks

Eric
Ericnz
 
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Re: Developed Knocking noise under load

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

I wouldn't stress too much, sounds like injectors...it 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.
Ryan1kd
 
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Location: Adelaide, SA


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