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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » C20XE help needed - Idles OK, revs slowly ok, but dies if you rev it fast. WTF!!!


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Author C20XE help needed - Idles OK, revs slowly ok, but dies if you rev it fast. WTF!!!
Matt H
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Registered: 11th Sep 01
Location: South Yorkshire
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17th Nov 05 at 19:37   View User's Profile U2U Member Reply With Quote
My friend is having a few problems with his C20XE'd Corsa

If you start the car up it idles perfectly fine.

If you rev is slowly it'll go all the way round fine

If you put your foot to the floor it just dies.

Any suggestions?

My first thought was that it could be a bad earth, I know a few people have has similar problems.

The AFM has been changed so I very much doubt it would be that.

Please help
corsapaul
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Registered: 23rd Jun 05
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17th Nov 05 at 19:52   View User's Profile U2U Member Reply With Quote
try another 1 it maybe faulty coz it has been known 2 happen
Jake
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Registered: 24th Jan 05
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17th Nov 05 at 19:54   View User's Profile U2U Member Reply With Quote
sounds like an air related problem.
greengoddess
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Registered: 17th Jun 03
Location: Northern Ireland, formerly Enfield North London
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17th Nov 05 at 20:03   View User's Profile U2U Member Reply With Quote
Could be overfuelling causing it to stall
Matt H
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Registered: 11th Sep 01
Location: South Yorkshire
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17th Nov 05 at 20:06   View User's Profile U2U Member Reply With Quote
What checks can I do to test this?
corsapaul
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Registered: 23rd Jun 05
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17th Nov 05 at 20:13   View User's Profile U2U Member Reply With Quote
paper clip test for any flash codes
greengoddess
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Registered: 17th Jun 03
Location: Northern Ireland, formerly Enfield North London
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17th Nov 05 at 20:14   View User's Profile U2U Member Reply With Quote
Dont know how u would test it m8.Another thought try replacing the fuel filter as i had the same thing happen on a golf i had but would only do after driving a while.I spent a fortune trying to fix it and turned out to be the fuel filter clogged up, put new one in and it ran perfectly.
Matt H
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Registered: 11th Sep 01
Location: South Yorkshire
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17th Nov 05 at 20:15   View User's Profile U2U Member Reply With Quote
Righto will try the filter

Im sure he's already done the paperclip test & it was OK
Matt H
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Location: South Yorkshire
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17th Nov 05 at 20:15   View User's Profile U2U Member Reply With Quote
Where is the fuel filter located?
greengoddess
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Registered: 17th Jun 03
Location: Northern Ireland, formerly Enfield North London
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17th Nov 05 at 20:17   View User's Profile U2U Member Reply With Quote
under the car at the rear.
Mistamist
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Registered: 16th Jul 03
Location: Gillingham, Kent
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17th Nov 05 at 20:21   View User's Profile U2U Member Reply With Quote
i have a similar problem with mine, boggs down when you stomp on the go pedal. if you come up with anything matt gis a shout.
Matt H
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Location: South Yorkshire
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17th Nov 05 at 20:27   View User's Profile U2U Member Reply With Quote
No this completely dies!
Jake
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Registered: 24th Jan 05
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17th Nov 05 at 20:31   View User's Profile U2U Member Reply With Quote
take a spark plug out and see what colour it is. Normally it should be white, if its black then its over fuelling. When was it last serviced?
Matt H
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Location: South Yorkshire
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17th Nov 05 at 20:32   View User's Profile U2U Member Reply With Quote
Not long ago

It was rebuilt recently too
Jake
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Registered: 24th Jan 05
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17th Nov 05 at 20:34   View User's Profile U2U Member Reply With Quote
sounds like the car is getting choked somehow.
Jake
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17th Nov 05 at 20:35   View User's Profile U2U Member Reply With Quote
or its not getting enough air.
RobHayes
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Registered: 6th Sep 03
Location: Lincolnshire
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17th Nov 05 at 20:35   View User's Profile U2U Member Reply With Quote
mine did this today when i tried another air flow meter. is a 1.2 though, but symptoms were EXACTLY the same. i put it down to the other meter being dodgy and used my original one. works ok now
Sly_SRi
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Registered: 9th Apr 04
Location: Reading, UK Drives: Corsa C
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18th Nov 05 at 08:59   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by jake
take a spark plug out and see what colour it is. Normally it should be white, if its black then its over fuelling. When was it last serviced?


White indicates its running lean, should be a kind of bronze colour. Its got pics in the back of haynes.

Corsa C Z20Let

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Siberia
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Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
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18th Nov 05 at 10:02   View User's Profile U2U Member Reply With Quote
i'd be looking at the coolant temp sensor...
3CorsaMeal
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Registered: 11th Apr 02
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18th Nov 05 at 11:10   View User's Profile U2U Member Reply With Quote
does it do it when driving?

has it been driven anywhere since the fault started or this all done while idling?
Doug_SRi
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Registered: 1st Sep 02
Location: Aberdeen. Drives: Stage 2 Astra VXR and Nova
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18th Nov 05 at 19:30   View User's Profile U2U Member Reply With Quote
my car has started flooding itself at junctions and started randomly hesitating on accelerating at around 4krpm but sure its my afm and not enough air as its smokey at start up. not run this engine on injection before since rebuild as was running carbs so sure my air/fuel is wrong. got another afm to put on but will be taking it to a tuning guy near me who is really good. not checked my plugs yet but i know they will be black
Jake
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Registered: 24th Jan 05
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18th Nov 05 at 20:00   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Sly_SRi
quote:
Originally posted by jake
take a spark plug out and see what colour it is. Normally it should be white, if its black then its over fuelling. When was it last serviced?


White indicates its running lean, should be a kind of bronze colour. Its got pics in the back of haynes.


picture that shows a normal plug looks white to me. But it does say grey/brown.
Fad
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Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
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18th Nov 05 at 22:25   View User's Profile U2U Member Reply With Quote
I had the same problem used to floor it hard and it would bog down and almost stall...turned out out to be the AFM

Doubt very much its going to be a fuel filter tbh

 
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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » C20XE help needed - Idles OK, revs slowly ok, but dies if you rev it fast. WTF!!! 28 database queries in 0.1857100 seconds