Hi guys,

My FL2 2008 has started bunny hopping slightly and I've had rough idle a few times. I have no fault codes apart from a intermittent p0299 (turbo underboost).

I drove it tonight to get some fuel and all was fine until I filled up atlnd started again. The hopping was there again it was like the revs were increasing without any foot input.

I got it home and left it turned on on its lumpy idle and occasionally it would hunt and revs would increase and I would see a slight whiff of smoke from under the engine cover.

I'm sorry for the photos but I have seen this area of the inlet manifold appear to be cracked? Does anyone know how this could have happened?

I removed the inlet manifold 3-4 years ago to delete the swirl flaps, plug vaccumn hose, Replace glowplugs, replace inlet manifold seals x4 and fuel filter.

It looks like the vaccumn part has collapsed and thus sucking in air into the inlet and disrupting the air mixture? I'm only guessing!

I'd like to hear your input!

I would say a furry friend has chewed through that...the plastic wouldn't just disintegrate like that under normal use..

I agree with the above raticuspaininthearseicus and I thought I had it bad with the slugs and snails.

rats !

Ive got several big plastic compost bins - and rats have eaten through the side - they only need an edge to get a grip on to. Jules

If its any help, a few years ago a bought off ebay a s/h inlet manifold which I removed the swirl flaps & blanked off the various ports etc. Plus throughly cleaned up and swapped onto my FL2.

The Old original I took off I've been meaning to sell ever since, but as usual never got round to it,it is currently sitting in a box in my garage complete with swirl flaps attached.

You are welcome to it if you wish for only the price of the postage, please PM if interested.



Cheers
Brian

Result nice gesture there

I also think you've had a visit from rodents, chewing on bits and pieces. I've had similar issues over the years, where rats or mice have chewed things in the engine bay or even inside the vehicle.

I'd replace the inlet manifold, and do the fuel filter while it's off, as that's a 2 yearly service part, but make sure you use a genuine LR or OE replacement.

It's worth checking the boost hoses too, as your code can be set by anything that reduces the boost pressure to below what the ECM is expecting it to be. Hyundai Ioniq 5 Ultimate. The family car.
2009 Rimini Red SE TD4. Gone.
2006 Tonga Green i6 HSE. Gone.
Audi A5 convertible, my daily driver.
1972 Hillman Avenger GT, the project.

Cherokee wrote:

If its any help, a few years ago a bought off ebay a s/h inlet manifold which I removed the swirl flaps & blanked off the various ports etc. Plus throughly cleaned up and swapped onto my FL2.

The Old original I took off I've been meaning to sell ever since, but as usual never got round to it,it is currently sitting in a box in my garage complete with swirl flaps attached.

You are welcome to it if you wish for only the price of the postage, please PM if interested.



Cheers
Brian