--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
User status: Offline
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Not so much a missfire but its the best way i can describe it, basically when accelerating for example moving away from a set of lights its misses like a twat but not so much a missfire its like its overfueling really bad the more you put your foot down when it does it it goes away, under hard acceleration it doesnt do it  but when pulling away it does or for example sitting at 70 on motorway and put your foot down a bit to increase speed to say 80 itll judder and miss as if its throwing too much fuel in. im thinking maybe mass air flow sensor?
any help is much appreciated
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Ellis
Member
Registered: 11th Sep 07
Location: Aberdeenshire
User status: Offline
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I have the same problem, changed the AFM and still does it.
Stuck for ideas now, going to try fuel pressure regulator next.
If you sort it out, u2u me what you did...
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
User status: Offline
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will do, what ever it is its pissing me off £20 petrol gets me 100 miles :O :O :O
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Corsa_Quadz
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Registered: 24th Feb 08
Location:
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Try having a look in the spark plug wells for oil.
On my old XE it happened because the rocker cover wasnt secured down well enough, also check the ht leads and give the king lead a clean it sorted it on mine 
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Ellis
Member
Registered: 11th Sep 07
Location: Aberdeenshire
User status: Offline
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Cheers Quadz, I'll give that a go...
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johnhara1
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Registered: 19th Oct 06
Location: Newcastle upon Tyne
User status: Offline
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Do you have a cone filter on it?
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Terry12
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Registered: 24th Sep 07
Location: Manchester
User status: Offline
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Mine does the same when first started and gives a fuel smell. Once warm it then idles at 1,250rpm.
I've tried everything except the cone filter.
I know the XE never liked cone filters so will be putting my airbox on.
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
User status: Offline
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sorted it.it was drawing in air from the power cap due to a rip in the rubber housing after the air flow meter, fixed it now
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Ellis
Member
Registered: 11th Sep 07
Location: Aberdeenshire
User status: Offline
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I might check for leaks after the AFM then...
Don't think there will be though, it's all pretty new 
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
User status: Offline
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could be an air leak anywhere mate check from the air filtet backwards upto the throttle body check the inlet manifold and the injectors aswell make sure there not drawing in air aswell
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Ellis
Member
Registered: 11th Sep 07
Location: Aberdeenshire
User status: Offline
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Good point, how do you get the fuel rail off?
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
User status: Offline
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take the plastic injector loom off be careful not 2 loose the clips then where the throttle cable has a mount infront of the throttle body theres 2 10mm bolts on the throttle cable bracked take that off then at either end of the rail there is another 2 10mm bolts with earths on them, after there ooff just pull it up keep a cloth handy coz there will be a bit of petrol drippage!! then check the little rubber o rings on the injectors thenselves
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Ellis
Member
Registered: 11th Sep 07
Location: Aberdeenshire
User status: Offline
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Cheers, I'll try that then if it's not that I'm going to try another FPR on it.
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