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Author Misfire whilst under throttle
Jenko_Sport
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Registered: 25th May 06
Location: Stoke-on-Trent
User status: Offline
21st Nov 08 at 02:23   View User's Profile U2U Member Reply With Quote

Right my x16xe idles perfectly but whilst under load it just misses big time and if i press the accelerator more than about 1/4 down it looses all power and only just about stays running. When engine not under load you can press the accelerator about halfway down before it looses power and you just hear alot of induction noise.

Car used to run perfectly before it came of the road about a year and a half ago, car has been turned over and started first turn of the key but has been started today and this problem has come up.

All leads and plugs seem to be ok.

Fueling problem maybe?
Ellis
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Registered: 11th Sep 07
Location: Aberdeenshire
User status: Offline
21st Nov 08 at 08:53   View User's Profile U2U Member Reply With Quote

I had this after leaving my car sitting for a while, once it was warm it went away, moisture ingress somewhere I was thinking and the heat dried it up...
Jenko_Sport
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Registered: 25th May 06
Location: Stoke-on-Trent
User status: Offline
21st Nov 08 at 10:35   View User's Profile U2U Member Reply With Quote

Its proberbly been running for over half an hour so if was this should of cleared by now.
ali_corsa
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Registered: 30th Jun 07
Location: Tamworth Drives: Focus st
User status: Offline
21st Nov 08 at 10:54   View User's Profile U2U Member Reply With Quote

i had a missfire but only when it was raining it was the leads getting damp i just put electric tape on the leads it self and tried it and it went away , possible worth something you might want to try
tom_simes
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Organiser: South Wales
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Registered: 12th Jan 05
Location: Undy, Newport Drives: Skoda Octavia vRS estate
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21st Nov 08 at 10:57   View Garage View User's Profile U2U Member Reply With Quote

Mine did that when I had a failed coolant temperature sensor, so it poured neat fuel through my exhaust system and demolished my cat, which was then blocking the exhaust system at higher revs.

Mine also stalled pretty much whenever it got up to temperature too though, so it may not be that that's the issue
Jenko_Sport
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Registered: 25th May 06
Location: Stoke-on-Trent
User status: Offline
21st Nov 08 at 11:04   View User's Profile U2U Member Reply With Quote

Ive got no cat on mine, will have to try new leads i think.
Richardhhha
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Registered: 29th Sep 07
Location: Croydon, Greater London
User status: Offline
21st Nov 08 at 12:28   View User's Profile U2U Member Reply With Quote

try checking the tops of your spark plugs.. The little screw on caps come loose and can cause this problem.. Seen it do it on my xe and my 14xe..
Jenko_Sport
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Registered: 25th May 06
Location: Stoke-on-Trent
User status: Offline
22nd Nov 08 at 02:43   View User's Profile U2U Member Reply With Quote

Ttt
Danny W
Organiser: East Midlands
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Registered: 14th Nov 05
Location: Northamptonshire
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22nd Nov 08 at 10:14   View Garage View User's Profile U2U Member Reply With Quote

i have had this problem a couple of times, first was moisture getting to the leads/plugs a quick change of these sorted the problem.

a few months later the problem came back, ran fine but missfired underload @ a certain rev range. turned out to be the camshaft as the cam profile was completly worn on cylinder 1 & 2 lol


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