Engine Started sounding real wiered :?

Forum for Engine, Exhaust, Drivetrain, ECU
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krimoon
Posts: 17
Joined: Tue Oct 06, 2020 9:06 pm
Qashqai Model: Mk.2 Qashqai - J11 (2013–2017)

Post by krimoon »

The engine of my Nissan Qashqai Tekna J11 2015 1.6 DCI started to sound much louder comparing to when I bought it 2 years ago when it was quiet that you can barely tell it is running from outside.

This is how it sounds and I hope if an expert can tell if there something I should worry about and if I should take it to repairshop?

The car has 111000km on it (94000km when I bought it), the maintenance is always done in time.

Any ideas???

duncho
Posts: 1672
Joined: Sun Mar 23, 2014 9:45 pm
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Post by duncho »

I’m not sure if me only, but I can’t open your video. Consider to share via youtube.
Qashqai J11, 1.6 dCi CVT, ThermaClear

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andy2019
Posts: 1786
Joined: Sat Oct 26, 2019 8:47 pm
Qashqai Model: Mk.2 Qashqai - J11 (2013–2017)

Post by andy2019 »

has the timing belt been changed on it yet
duncho
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Post by duncho »

R9M engine has chain, no belt luckily
Qashqai J11, 1.6 dCi CVT, ThermaClear

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Deleted User 10757

Post by Deleted User 10757 »

A noisy diesel can sometimes be put down to a sensor altering the fuel rate or injection timing.

This could account for the knock associated with the combustion process sounding louder as its not optimised.

Best get the fault codes checked
duncho
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Post by duncho »

Buffy wrote: Fri Jul 09, 2021 5:37 am
Best get the fault codes checked
But what if no DTCs? Would inappropriate fuel ratio always trigger DTC?
Qashqai J11, 1.6 dCi CVT, ThermaClear

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