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Author engine management light on corsa b
averagejo
Member
Registered: 26th Mar 08
User status: Offline
26th Mar 08 at 16:54   View User's Profile U2U Member Reply With Quote
hi,

just thought id sign up and see if anyone had any good ideas before i take my girlfriends 1999 1.2 corsa b to the dealer to figure out.

basically at speed (mostly on the motorway) the engine management light will come on and of course it cuts the power but then after accelerating more/less it will go away. its completly random, some days it doesnt do it and others a few times in one journey.

she took it to some back end garage who did the ecu test and said it was because she put 'bad' fuel in it from the local texaco garage and sent her on her way which of course doesnt help at all.

did the basics like intake and injector cleaner, replace the spark plugs, bang the air filter out but no joy so at the moment i may just have to take it to the main dealer but im loathed to pay £90 just for an ecu test then labour on top

thanks

dan
swedge
Member
Registered: 3rd Sep 07
Location: Hawick,scotland drives: 1.4 sri corsa
User status: Offline
26th Mar 08 at 17:02   View User's Profile U2U Member Reply With Quote
have you done the paperclip test yourself?
averagejo
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Registered: 26th Mar 08
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26th Mar 08 at 17:10   View User's Profile U2U Member Reply With Quote
i looked at it on this page http://www.topbuzz.co.uk/info/fault_codes/fault_codes.htm
but wondered if it would work as it mentions that cars in the region of 2000 (hers being 1999) cant be read using the paper clip plus it only listed a 1.2 up to 1997 on the table.
Simon_16v
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Registered: 14th Aug 06
Location: Yorkshire
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26th Mar 08 at 17:24   View User's Profile U2U Member Reply With Quote
Cant use paperclip on 1.2 16v.

I would say its your airflow meter.
averagejo
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Registered: 26th Mar 08
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26th Mar 08 at 17:26   View User's Profile U2U Member Reply With Quote
bugger, how come?

i took the afm out and cleaned it but no dice.
Simon_16v
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Registered: 14th Aug 06
Location: Yorkshire
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26th Mar 08 at 17:29   View User's Profile U2U Member Reply With Quote
They just break due to age etc, unfortunately things aint made to last a lifetime .
averagejo
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Registered: 26th Mar 08
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26th Mar 08 at 17:36   View User's Profile U2U Member Reply With Quote
lol i didnt mean why does the afm break

i meant how comes the paper clip doesnt work on the 1.2 16v of any age?

is replacement the only option for the afm?
Simon_16v
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Registered: 14th Aug 06
Location: Yorkshire
User status: Offline
26th Mar 08 at 17:38   View User's Profile U2U Member Reply With Quote
Because the X12XE and X10XE have different types of ecu to the rest.
averagejo
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Registered: 26th Mar 08
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26th Mar 08 at 17:40   View User's Profile U2U Member Reply With Quote
ah cheers, wasnt doubting just always useful to know the in's and out's

got it booked in at vaux for monday
Simon_16v
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Registered: 14th Aug 06
Location: Yorkshire
User status: Offline
26th Mar 08 at 18:01   View User's Profile U2U Member Reply With Quote
Yeah i know what you mean, iv had to do a lot myself to find things out.

The 1.2 8v has same ecu style as the 1.4/1.6's.
chris_rosso
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Registered: 29th Nov 06
Location: Doncaster, South Yorkshire
User status: Offline
26th Mar 08 at 19:36   View User's Profile U2U Member Reply With Quote
Im 99% sure its ur afm cos the symptoms are same as mine wen mine went. Id reccomend getting a new one as i got 1 from a scrappers n it wo no good. Managed to bag one for £60 off ebay saving of nearly £200 from vauxhall!!!!!! dont go to a garage cos they will rape u aswel. Mek sur numbers are same on afm n jobs a gud'en
Simon_16v
Member
Registered: 14th Aug 06
Location: Yorkshire
User status: Offline
26th Mar 08 at 19:42   View User's Profile U2U Member Reply With Quote
The AFM's are same on the 1 and 1.2 engines

 
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