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Author 1.2 running terrible
JOHN M
Member

Registered: 19th Aug 00
Location: WIGAN,LANCASHIRE
User status: Offline
30th Jun 03 at 22:53   View User's Profile U2U Member Reply With Quote

Hi everyone.I used to be on here all the time a year or two ago but i sold my Corsa and got an MR2.

Anyway,ive just bought my G/Friend a P reg 1.2 LS which was running perfectly when she got it and drove home.However we parked it up and came in the house and when she went out to get in it its running terrible.The car will start (just about) and then it runs awful-idles very low.If i press the accelerator it wont rev and usually dies,sometimes it revs a bit but sounds like its misfiring.

The thing is,the engine management light goes out at start up and does not come on at all when the engine is running.

Has anyone ever come across this kind of problem before? Its got me baffled as usually the engine management light comes on when theres a fault in the system.

Cheers.
Richie
Member

Registered: 3rd Dec 02
Location: Newport, Wales
User status: Offline
30th Jun 03 at 23:02   View User's Profile U2U Member Reply With Quote

Its called out of petrol
JOHN M
Member

Registered: 19th Aug 00
Location: WIGAN,LANCASHIRE
User status: Offline
30th Jun 03 at 23:06   View User's Profile U2U Member Reply With Quote

The tank is 3/4's full!!
Cavey
Member

Registered: 11th Nov 02
Location: Derby
User status: Offline
30th Jun 03 at 23:08   View User's Profile U2U Member Reply With Quote

I actually have a similar problem, it's been idling too low, almost stalling, and when i accelerate it has a problem, doesn't do much then realises i have put my foot down and then accelerates, pain in the arse it is, also it's ticking the engine, Vauxhall say it's the hydraulic lifters, and i'm not good enough to argue, any ideas ?
JOHN M
Member

Registered: 19th Aug 00
Location: WIGAN,LANCASHIRE
User status: Offline
30th Jun 03 at 23:14   View User's Profile U2U Member Reply With Quote

It is most definately not the hydraulic lifters on mine.Mine are perfectly quiet. That could be the problem with yours though if its making a tapping sound from the top end.I had a similar problem on a Nova once.

Mine is just dead when i hit my foot to the floor,it just doesnt rev at all and usually dies.Im thinking mine may be the crank sensor or the idle speed motor but im confused as they usually bring the engine management light on.
Richie
Member

Registered: 3rd Dec 02
Location: Newport, Wales
User status: Offline
30th Jun 03 at 23:16   View User's Profile U2U Member Reply With Quote

nah the problem with mine was the pipe for the brake servo had popped off the back of the inlet manifold, so there was no pressure in the system.
AgentBlue
Member

Registered: 29th Mar 02
Location: Co.Down Northern Ireland
User status: Offline
12th Jun 04 at 16:22   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by JOHN M
Hi everyone.I used to be on here all the time a year or two ago but i sold my Corsa and got an MR2.

Anyway,ive just bought my G/Friend a P reg 1.2 LS which was running perfectly when she got it and drove home.However we parked it up and came in the house and when she went out to get in it its running terrible.The car will start (just about) and then it runs awful-idles very low.If i press the accelerator it wont rev and usually dies,sometimes it revs a bit but sounds like its misfiring.

The thing is,the engine management light goes out at start up and does not come on at all when the engine is running.

Has anyone ever come across this kind of problem before? Its got me baffled as usually the engine management light comes on when theres a fault in the system.

Cheers.




Exact same problem on my B sxi
Fixed it short term by adjusting the throttle cable.
I think it might be the idle motor. not sure though.
??
anybody?
mike_1.2LS96
Member

Registered: 23rd Oct 03
Location: Darlington | Mazda 323 1.8 Exec
User status: Offline
12th Jun 04 at 16:56   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by JOHN M
Hi everyone.I used to be on here all the time a year or two ago but i sold my Corsa and got an MR2.

Anyway,ive just bought my G/Friend a P reg 1.2 LS which was running perfectly when she got it and drove home.However we parked it up and came in the house and when she went out to get in it its running terrible.The car will start (just about) and then it runs awful-idles very low.If i press the accelerator it wont rev and usually dies,sometimes it revs a bit but sounds like its misfiring.

The thing is,the engine management light goes out at start up and does not come on at all when the engine is running.

Has anyone ever come across this kind of problem before? Its got me baffled as usually the engine management light comes on when theres a fault in the system.

Cheers.


Check fuel pump and filter, and plugs.
Mattb
Member

Registered: 2nd Feb 03
Location: Under your sisters bed
User status: Offline
12th Jun 04 at 17:20   View User's Profile U2U Member Reply With Quote

One of two things i would think..

1: as richie said, an air leak in a vacuum hose or similar.. check all hoses for splits/holes and check none are hanging off..

2:Could be the map sensor/ airflow sensor (depending on the engine)...

do a search for the paperclip test or take it to vaux for a diagnostic check to see if any fault codes have been stored in the Ecu, it'll cost about 30 tho

[Edited on 12-06-2004 by Mattb]
Skinner
Member

Registered: 14th Jul 03
Location: aberdeen drives:mk4 irmscher astra on 18's
User status: Offline
12th Jun 04 at 18:16   View User's Profile U2U Member Reply With Quote

if its an 8 valve check the dizzy cap and arm cause my old 1.2 8v used 2 do it then i changed them and it was fine or it could b the idle control valve ,or any of the above
AgentBlue
Member

Registered: 29th Mar 02
Location: Co.Down Northern Ireland
User status: Offline
13th Jun 04 at 08:38   View User's Profile U2U Member Reply With Quote

all hoses are intact no lose connections or splits (x12xe)
must be idle control motor..
are these expensive to get fixed?
gsi-gaz
Member

Registered: 23rd Mar 03
Location: st helens
User status: Offline
13th Jun 04 at 09:05   View User's Profile U2U Member Reply With Quote

59.50 + vat from vauxhall i think
Kris TD
Member

Registered: 25th Mar 02
Location: Ware, Hertfordshire
User status: Offline
13th Jun 04 at 09:13   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by JOHN M
The tank is 3/4's full!!


did you fill it up yourself?
cos my dads omega has got the shitest petrol guage ever, when it show 20 litres its empty.
KIFF
Member

Registered: 12th Dec 05
Location: Kent
User status: Offline
28th Aug 06 at 14:19   View User's Profile U2U Member Reply With Quote

if its a 1.2 16v, i had the same problem a while back, i replaced the mass air flow sensor and it was sorted. might be worth giving the sensor a clean with some carb cleaner. and give the idle control valve a clean while your at it.

 
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