Rough Engine Noise under heavy acceleration

Forum for Engine, Exhaust, Drivetrain, ECU
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NewOwner1
Posts: 1
Joined: Tue Jun 01, 2021 4:09 pm
Qashqai Model: Mk.1 Qashqai - J10 (2006–2013)

Post by NewOwner1 » Tue Jun 01, 2021 4:18 pm

Just bought a Qashqai. 58 plate 1.6 petrol.

The car has a full non Nissan service history and was last serviced 1k miles ago. It has 80k on clock.

It had a slight whine coming from the alternator belt when I bought it and I have booked in to have a new belt fitted on Thursday.

The thing is I've noticed that under heavy acceleration when in 3rd or above there is a "rough engine" sound. 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.

Any ideas? Could it be turbo related? I would have thought it would occur in 2nd as well if it was. Could it be timing chain issue? What does it sound like?

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