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Author Help please
Jam666
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Registered: 22nd Mar 08
Location: South Wales Drives: Corsa XE
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31st Oct 08 at 19:43   View User's Profile U2U Member Reply With Quote
I recently did a paperclip test on my xe corsa, which came up lambda sensor and hall sensor, which i have now replaced and my eml light has gone off. Only problem is when im driving it as soon as it hits 4k revs, the light comes on for a split second and it pops and bangs out of the exhaust..does anyone have any opinions on what could be causing this? thanks
Fraser Young
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Registered: 26th Dec 02
Location: Dundee City Drives: 58 Impreza WRX
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31st Oct 08 at 19:48   View User's Profile U2U Member Reply With Quote
Cat converter issue, potentially?
Jam666
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Registered: 22nd Mar 08
Location: South Wales Drives: Corsa XE
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31st Oct 08 at 19:49   View User's Profile U2U Member Reply With Quote
no cat
craig_s
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Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
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31st Oct 08 at 19:52   View User's Profile U2U Member Reply With Quote
does it store a code when it does it?
Jam666
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Registered: 22nd Mar 08
Location: South Wales Drives: Corsa XE
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31st Oct 08 at 19:53   View User's Profile U2U Member Reply With Quote
no, i keep testing it and its all clear apart from the usual 12
craig_s
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Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
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31st Oct 08 at 19:55   View User's Profile U2U Member Reply With Quote
is it always at 4k rpm? does engine load make a difference?
Jam666
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Registered: 22nd Mar 08
Location: South Wales Drives: Corsa XE
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31st Oct 08 at 19:57   View User's Profile U2U Member Reply With Quote
when i am driving its more or less always around the 4k mark. When staitionary and holding the throttle to the floor, the revs go up and down asif i am revving it when i am not, and it pops and bangs like hell
B3KAN
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Registered: 15th Feb 07
Location: Inverness, Highland
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31st Oct 08 at 19:58   View User's Profile U2U Member Reply With Quote
AFM?
craig_s
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Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
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31st Oct 08 at 19:59   View User's Profile U2U Member Reply With Quote
that's what mine was doing when my afm was nackered,may be worth trying another.
Jam666
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Registered: 22nd Mar 08
Location: South Wales Drives: Corsa XE
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31st Oct 08 at 20:00   View User's Profile U2U Member Reply With Quote
hopefully tryin a mates tomorow, just wondering if it could be anythin else
B3KAN
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Registered: 15th Feb 07
Location: Inverness, Highland
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31st Oct 08 at 20:02   View User's Profile U2U Member Reply With Quote
Mine was doing the same, poping and banging out the air filter and it was a faulty AFM and lambda.
craig_s
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Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
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31st Oct 08 at 20:04   View User's Profile U2U Member Reply With Quote
not much else it could be,this is how mine ran with a nackered afm
http://s61.photobucket.com/albums/h45/sripower/?action=view&current=MOV00180.flv
george
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Registered: 23rd Feb 08
Location: Rainham, Kent
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31st Oct 08 at 20:05   View User's Profile U2U Member Reply With Quote
differnent engine but my 1.4 sri 8 valve was doing exactly the same and found it to be the crank sensor was loose. may just need the 10mm bolt tightening
Jam666
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Registered: 22nd Mar 08
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31st Oct 08 at 20:54   View User's Profile U2U Member Reply With Quote
just tried an afm and it wasnt that
Jam666
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Registered: 22nd Mar 08
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1st Nov 08 at 02:03   View User's Profile U2U Member Reply With Quote
any other ideas??
B3KAN
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Registered: 15th Feb 07
Location: Inverness, Highland
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1st Nov 08 at 02:07   View User's Profile U2U Member Reply With Quote
Have you tryed resetting the ecu? and then see if any new codes come up?

Out off intrest was it a brand new lambda you fitted?
Jam666
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Registered: 22nd Mar 08
Location: South Wales Drives: Corsa XE
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1st Nov 08 at 04:03   View User's Profile U2U Member Reply With Quote
im leaving it reset over night, and it was a new lambda

[Edited on 01-11-2008 by Jam666]
Jam666
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Registered: 22nd Mar 08
Location: South Wales Drives: Corsa XE
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1st Nov 08 at 13:12   View User's Profile U2U Member Reply With Quote
any1 before i go and smash the thing up?
tom130691
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Registered: 13th Sep 08
Location: Daventry
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1st Nov 08 at 13:15   View Garage View User's Profile U2U Member Reply With Quote
crank sensor as mentioned or cam

[Edited on 01-11-2008 by saxo_tom]
Jam666
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Registered: 22nd Mar 08
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1st Nov 08 at 13:16   View User's Profile U2U Member Reply With Quote
but woodnt they come up as a fault on the eml?
Jam666
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Registered: 22nd Mar 08
Location: South Wales Drives: Corsa XE
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2nd Nov 08 at 16:54   View User's Profile U2U Member Reply With Quote
ive tried different afm,distrubutor,lambda, leads,plugs,cap,rotor arm and fuel pump. There are no codes on my ecu, ive let it reset over night twice. it starts and revs fine, then until u hit 4k revs the light flickers on. when i am driving it and hit 4k the eml flickers on at the car becomes really lumpy and backfires until i change gear. thanks

[Edited on 02-11-2008 by Jam666]
george
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Registered: 23rd Feb 08
Location: Rainham, Kent
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2nd Nov 08 at 17:05   View User's Profile U2U Member Reply With Quote
mine never cam up as a fault because there was anything wrong with it, it was just loose on the bracket
Jam666
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Registered: 22nd Mar 08
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2nd Nov 08 at 17:07   View User's Profile U2U Member Reply With Quote
what was loose?
Jam666
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Registered: 22nd Mar 08
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2nd Nov 08 at 18:42   View User's Profile U2U Member Reply With Quote
also wen i unplug the afm it cuts out straight away..does the same when i unlplug the crank sensor
george
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Registered: 23rd Feb 08
Location: Rainham, Kent
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3rd Nov 08 at 19:57   View User's Profile U2U Member Reply With Quote
well course it will because the crank sensor aint reading when to spark so there will be no spark. where the crank sensor bolts to the bolt check that te cranck sensor aint loose on the block

 
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