I'm new and not sure if anyone posted similar before.

I've had my i6 for 4 months, it was a 5k demo.

From the beginning I've noticed intermittent pinging noise from the engine when accelerating. Usually in the low revs. This usually occurs 30% of the time.

Has anyone experienced the same thing?

Is that pinging or Pinking? Does it do it more under load?


Driving a diesel its difficult to hear any noise over the engine  There's always a way forward!

2008 Freelander Td4 GS - Stornoway Grey - Now Gone - Sob
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Under hard acceleration, mostly on low RPMs, a little knocking/pinging its relatively normal.

It's the sound of the detonations inside cylinders.
It could be because of the low octane fuel or because or a defective tuned advance.
But since your engine (i6) has two detonation (knocking) sensors, it's hard to believe that both have problems.
The engine ECU should automatically retard the advance based on the info from knocking sensors.

First, try a different type of fuel, with a higher octane rating. For sure it will be better.

See:
http://en.wikipedia.org/wiki/Engine_knocking
http://www.zhome.com/ZCMnL/PICS/detonation/detonation.html

Thanks for the feedback.

I alternate between 91 and 95 fuel. I'll try 98 at my next fill up to see if this makes any difference.

The dealer said running 91 is fine.

Would have thought 95 octane would be the normal these days - does anybody else still have 91 or even 98 available

In any case I would suggest you check FIRST before using 98 octane to see if it is OK to use  2007 Freelander 2 HSE TD4 Manual with Premium Pack & Moonroof.
Stornoway Grey with Ebony Black Pleather, Clear Indicators, Body Side Mouldings etc.

AndyC wrote:

In any case I would suggest you check FIRST before using 98 octane to see if it is OK to use

Whenever we've had petrol Land Rovers, usually V8 Discovery and Range Rovers, we found it's usually cheaper, and never anymore expensive, to use higher octane fuel, even though it is more expensive at the pump, as you get better fuel consumption. BP ultimate, Shell V Power, and Sainsburys Ultimate unleaded were what we used. It's also the same story on the bike, but I use it for the performance more than economy  Mine: 2012 Golf GTI Edition 35
Family's: 2009 Freelander 2 HSE TD4 Auto, Stornoway

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