engine management light on. what could it be? - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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impacter

Member

Registered: 9th Mar 04
Location: Bristol
User status: Offline

7th Sep 04 at 17:03

my engine management is on all the time. and when i accelerate the car or keep it at high revs, the car is fine. if i keep the car at a steady slow speed, it feels like it misfires so the whole car kagaroos down the road. sometimes, when the car's idling, the engine is revving up and down slightly. what could it be?

black1.2sxi

Member

Registered: 13th Apr 04
User status: Offline

7th Sep 04 at 17:09

my car has just done the same my old mans takin it in for me 2moro idle control valve or egu valve or sumin liek that eh thinks

Corsa^Dan

Member

Registered: 4th Dec 02
Location: Sleaford, Lincolnshire
User status: Offline

7th Sep 04 at 22:10

EGR valve.

exspensive

Siberia

Member

Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
User status: Offline

8th Sep 04 at 09:01

if your car is pre 97

read--> http://www.corsasport.co.uk/board/viewthread.php?tid=101080

LukeGSi

Member

Registered: 9th Dec 03
User status: Offline

8th Sep 04 at 16:41

quote:
Originally posted by Corsa^Dan
EGR valve.
exspensive

If it is the egr then just blank it off as you dont need it anyway. But more than likely the ICV or AFM

sassyminx

Member

Registered: 10th Jan 04
Location: Hartlepool Drives: Cossie
User status: Offline

8th Sep 04 at 16:52

quote:
Originally posted by LukeGSi

quote:
Originally posted by Corsa^Dan
EGR valve.
exspensive

If it is the egr then just blank it off as you dont need it anyway. But more than likely the ICV or AFM

surely blankin the egr valve is dodgy, mine came up on a fault code and i need it sorting out

LukeGSi

Member

Registered: 9th Dec 03
User status: Offline

8th Sep 04 at 17:07

Nope the egr is an EU regulation thingy for emissions, blank it off!!

Matt.H

Member

Registered: 12th Mar 03
User status: Offline

8th Sep 04 at 20:21

i have tried this, took out the secondary air pump aswell. gettin 1405...egr fault.

dabster

Member

Registered: 26th Feb 04
User status: Offline

8th Sep 04 at 23:10

same thing happnd on my 1.4 16v, chnged all sensors everythin even the icv was changed as tec 2 showed it as icv fault but it turned out 2 b a burst old worn air intake pipe which rung round back of engine . problem solved.

greycorsa

Member

Registered: 12th Jan 03
User status: Offline

8th Sep 04 at 23:25

goto dealers for a diagnostic chek.

dabster

Member

Registered: 26th Feb 04
User status: Offline

8th Sep 04 at 23:39

depending on what problem it is my m8s got tech 2 vauxhall diagnostic machine at roys auto repairs in arbroath. it might show up a certain fault where because its prenostic it might b picking up sumthin tht doesnt need replaced

HawkersGSi

Member

Registered: 8th Sep 04
User status: Offline

9th Sep 04 at 06:15

Happened with mine down here in Oz. It's the petrol octane rating. I ran mine on so-called ''premium unleaded'' (Oz marketing pleb speak for high-octane petrol) and the light kept coming on after a period high revs, and I had a flat-spot around 3000 revs.
I pestered the local station and they finally admitted their ''premium'' petrol was only 95 octane, and was 15 per cent ethanol (legal maximum in OZ in 10 per cent).
Have changed to Shell Optimax (97 octane) since and had no further probs. Haven't seen light come on since.

[Edited on 09-09-2004 by HawkersGSi]

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