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Author whats the matter with my corsa? :(
chrisj_88
Member

Registered: 22nd Sep 06
Location: Dewsbury
User status: Offline
7th Dec 06 at 17:42   View User's Profile U2U Member Reply With Quote

i drive a W reg corsa 1.0L 12v (shocking engine i know) but for the last few weeks, every now and again, when im accelerate from low revs, theres a loss of power for about a second or so (like as if ide taken my foot off the accelerator), then all of a sudden the acceleration comes back.

it just did it a few times on the way home now, and the engine management light flashed on, its off now. anyone know what the problem could be?

any help appreciated, cheers, chris.
greenelephant
Member

Registered: 20th Mar 06
Location: Bedfordshire
User status: Offline
7th Dec 06 at 17:55   View User's Profile U2U Member Reply With Quote

not 2 sure, could be loss of compression. Mite hav 2 get pressure test for cylinder head. My head gasket blew a little while after the problem your experiencing. Is the coolant level stable and is there and oil leaks?

could also be your AFM (Air Flow meter) or a dodgy airbox

[Edited on 07-12-2006 by greenelephant]
mattk
Member

Registered: 27th Feb 06
Location: St. Helens
User status: Offline
7th Dec 06 at 18:03   View User's Profile U2U Member Reply With Quote

my mates did this, could be either:

lambda sensor
crank sensor
EGR valve

he had them changed and it was fine
chrisj_88
Member

Registered: 22nd Sep 06
Location: Dewsbury
User status: Offline
7th Dec 06 at 18:24   View User's Profile U2U Member Reply With Quote

alright cheers for the help guys> ive checked the coolant level and its fine, theres no oil leaks, and i cant see anything wrong with the airbox/flow meter (never touched em). what do you advise i do now? is it still ok to drive? i was planning to drive nearly 200miles on saturday> spose thats not a good idea now lol
greenelephant
Member

Registered: 20th Mar 06
Location: Bedfordshire
User status: Offline
7th Dec 06 at 18:28   View User's Profile U2U Member Reply With Quote

hmm well apart from the list of things mattk said, the only thing I can think of is loss of compression. A compression test on your cylinder head will tell you if thats playing up

p.s. BTW is there lots of pressure inside ur coolant tank?




[Edited on 07-12-2006 by greenelephant]
chrisj_88
Member

Registered: 22nd Sep 06
Location: Dewsbury
User status: Offline
7th Dec 06 at 20:08   View User's Profile U2U Member Reply With Quote

im not sure> i tried quickly to get the gap off but it was well stuck. its chucking it down at the moment so ile have a closer look 2moro
Griffin Autosport
Member

Registered: 25th Nov 06
Location: Co.durham
User status: Offline
7th Dec 06 at 20:11   View User's Profile U2U Member Reply With Quote

if the light has stayed on for about 10 seconds do the paper clip test and see what codes are stored in the ecu, even though the light isn't on now it should have stored the code if it was on 10 secs or more
chrisj_88
Member

Registered: 22nd Sep 06
Location: Dewsbury
User status: Offline
7th Dec 06 at 20:26   View User's Profile U2U Member Reply With Quote

great stuff cheers mate
Warren G
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Registered: 14th May 06
Location: Kent
User status: Offline
7th Dec 06 at 20:50   View User's Profile U2U Member Reply With Quote

AFM i recon

never done a paper clip test, but with tech 2 you often get

o2 sensor low voltage - which is also a mass air flow meter fault

fault i may add iv also got one for sale!

\/
chrisj_88
Member

Registered: 22nd Sep 06
Location: Dewsbury
User status: Offline
7th Dec 06 at 20:59   View User's Profile U2U Member Reply With Quote

how can i findout it is the AFM? dont wanna replace it to find out its summat else
Warren G
Member

Registered: 14th May 06
Location: Kent
User status: Offline
7th Dec 06 at 21:02   View User's Profile U2U Member Reply With Quote

sounds like it is, normaly you drive along, go to accerate (floor it) and it like bogs down and the eml come on

do the paper clip test then

 
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