Noisy Engine / Rough Sound

Forum for Engine, Exhaust, Drivetrain, ECU
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Cherry1234
Posts: 4
Joined: Tue Nov 30, 2021 9:17 am
Qashqai Model: Mk.2 Qashqai - J11 (2013–2017)

Post by Cherry1234 » Tue Nov 30, 2021 4:40 pm

I have noticed a "rough engine" sound, when car is cruising - ie not high rev, If you nurse the accelerator it doesn't occur. It sounds a bit like an exhaust blowing kind of noise but is not there at high revs in 1st or 2nd gear, only 3rd and above.

I have taken to a local garage who have said its the clutch but havent been experiencing any clutch failure issues - so not sure it is that. Before I go spending £100’s of pounds on something it may not be just wondered if anyone had any ideas?

Car is 2015 Tekna Model 1.6 Diesel

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gloucester
Posts: 4493
Joined: Sun Apr 03, 2016 7:04 am
Location: Gloucestershire, England
Qashqai Model: Mk.2 Qashqai - J11 (2013–2017)

Post by gloucester » Wed Dec 01, 2021 2:47 pm

Just a few questions to see if it can be narrowed down:

So if you're going along and the noise happens, what happens when you disengage the clutch?

It happens in all the higher gears? Does it happen at the same speed no matter what gear you're in? Or at the same revs?
(2015 Nissan Qashqai Tekna DIG-T 1.2 sold 15/6/18) ~ 2018 Suzuki Ignis SZ5 - 2018 Yamaha MT-07

Cherry1234
Posts: 4
Joined: Tue Nov 30, 2021 9:17 am
Qashqai Model: Mk.2 Qashqai - J11 (2013–2017)

Post by Cherry1234 » Fri Dec 03, 2021 4:45 pm

It happens when the revs drop below 2000 in any gear, it sounds like a rough noise almost like the engine is struggling to function - as soon as you put the revs up again the noise stops. Strangely enough on icy mornings the noise doesnt happen until engine is warm. It is due a service could it be a blocked filter?

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