Spluter

[dean]

Hi all

It may seem like I've posted a lot of probs on here lately But since I've got my new donor car I'm trying to sort out some of those long running niggles, so here goes.
When i blip the throttle, the engine splutters a bit revs then drops to a point where i think it will almost stall, then evens out, it only happens on warm up. I have got new coil, plugs, amplifier module, and leads so does anyone have any ideas, Would a slightly blowy exhaust cause this problem? Cos i have one

[dean]

HI all

Sorted it over the weekend, It appears to have been the aux air valve seal on the inlet manifold leaking or the valve itself cos after a good clean and a new seal its fine again now, hopefully!

[aengus-xmv6]

is that the plunger type air-control valve? (magnetti marelli system)

will do it from time to time, and rev by itself too. Strip & clean then reassemble usually sorts it - or just disconnect the hose from the air cleaner to it and spray in carb cleaner with engine running for a short-term relief.

regards
Dave

[dean]

Hi Dave

Its the Bosch motronic system, The valve seats into the manifold with a thick rubber seal, which was split!, and the valve brings air from a point in the inlet trunking between the filter housing and the manifold. Following your suggestion i took it off again and gave it a good clean, all seems well again now thanks

Dean

[Ciaran]

I really must get round to doing this, mine behaves much the same sometimes, can stall occasionly with it as well...

Glad you got it sorted Dean, nice to have a simple fix for once!

Ciarán

[dean]

Hi Ciaran

I must admit when i noticed the symptoms, i couldn't help but think the worst, because with an XM it nearly always is