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Author ENGINE GSI HELP NEEDED
adelcorsa
Member
Registered: 21st Apr 03
Location: ipswich
User status: Offline
   24th May 05 at 17:27   View User's Profile U2U Member Reply With Quote
ok for some time now i have had a prob with my corsa gsi

took it to a mechanic and he took idle control valve out and throttle body and said he cleaned them all

it done nothing

then took it some where else and they replaced the throttle position sensor

this seemed to cure it then it started again

ok here is the problem

it idles between 850 to 1500
it jerks when u come off the throttle
also engine managment light has started to come on again

any 1 know what it could be

i was going to get a new inlet manifold to see if this helps
would new idle controll valve be any good
adelcorsa
Member
Registered: 21st Apr 03
Location: ipswich
User status: Offline
24th May 05 at 17:33   View User's Profile U2U Member Reply With Quote
had it on diagnostic machine and it said low voltage to throttle position sensor
changed it but still happenes
Darren
Member
Registered: 21st Apr 02
Location: Hadleigh, Suffolk
User status: Offline
24th May 05 at 18:00   View User's Profile U2U Member Reply With Quote
dodgy wiring?
adelcorsa
Member
Registered: 21st Apr 03
Location: ipswich
User status: Offline
24th May 05 at 18:04   View User's Profile U2U Member Reply With Quote
dont know mate
masterx81
Member
Registered: 7th Oct 04
Location: Asti - ITALY
User status: Offline
24th May 05 at 23:36   View User's Profile U2U Member Reply With Quote
You can try to read what your ecu is trying to say you...

http://www.topbuzz.co.uk/

Here is a guide how to read without anything other that a paperclip the fault codes of your ecu.
Remember that the idle control valve is not signaled as an error by the ecu.

Hope this help!
adelcorsa
Member
Registered: 21st Apr 03
Location: ipswich
User status: Offline
25th May 05 at 10:53   View User's Profile U2U Member Reply With Quote
thanks i read bout that
is it the same as me reading it with a diagnostic machine tho
masterx81
Member
Registered: 7th Oct 04
Location: Asti - ITALY
User status: Offline
25th May 05 at 11:01   View User's Profile U2U Member Reply With Quote
And, what error pop out?
adelcorsa
Member
Registered: 21st Apr 03
Location: ipswich
User status: Offline
25th May 05 at 11:28   View User's Profile U2U Member Reply With Quote
it said low voltage to throttle control sensor

so i changed it and no difference
masterx81
Member
Registered: 7th Oct 04
Location: Asti - ITALY
User status: Offline
25th May 05 at 11:30   View User's Profile U2U Member Reply With Quote
You can try to test if when the ecu is switched on there is the +5 on the tps and if there is the ground...
adelcorsa
Member
Registered: 21st Apr 03
Location: ipswich
User status: Offline
25th May 05 at 17:57   View User's Profile U2U Member Reply With Quote
gona see if i can get hold of another idle control valve

 
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