burnout
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Registered: 20th Aug 04
Location: derbyshire
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right im still not sure what is turning it on it only comes on when the car is moving but if i drive really steady keepin it under 2k revs it wont come on but as soon as i put my foot down an it goes past 3k it then turns on wat could be causing this. thanks ive done paper clip test an it come up as knock sensor does this sound right.
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Rob B
Member
Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
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mine does this, i dunno whats wrong with it .
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burnout
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Registered: 20th Aug 04
Location: derbyshire
User status: Offline
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have u also done an engine swap.
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Rob B
Member
Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
User status: Offline
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yep, x12xe > x16xe
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burnout
Member
Registered: 20th Aug 04
Location: derbyshire
User status: Offline
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mine started doin it when i put a new x14xe in my sport. i want to sort it the lights well annoyin
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burnout
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Registered: 20th Aug 04
Location: derbyshire
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ttt
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craig_lewis
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Registered: 23rd Nov 05
Location: Neath, Neath Port Talbot
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my corsa does this so i had this guy to come out and plug his little machine into my engine managment and he said it was my lambda sensor.... i replaced this and still the orange light comes on when i go back 4k revs its really annoying ... i wonder what else i can replace ???
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22B
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Registered: 9th Sep 04
User status: Offline
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I had the same problem on my 1995 corsa Sport 1.4 16V after doing an engine swap for another X14XE, diagnostic check came up witrh knock sensor, replaced the sensor and still the light was on. Checked all wiring and it was fine. i sold the car in the end but some1 told me it could be the crank postition sensor, Vauxhall didnt want to investigate the fault and told me to take the bulb out, lol, how useful
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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its likely it is the knock sensor. did you use the loom and ecu that came with the donor engine? if not then that could be the cause. the knock sensor wiring is different on certain corsa looms depending on wether its an x14 or x16. also the whole system was changed after 1997 which includes different sensors, wiring looms, and the pin position in the ecu for the signal wire is different.
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burnout
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Registered: 20th Aug 04
Location: derbyshire
User status: Offline
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yes that is the problem been to have it looked at today i need to get a wire loom off a 96 sport which has two wires going to the sensor instead of 1. 
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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quote:
Originally posted by burnout
yes that is the problem been to have it looked at today i need to get a wire loom off a 96 sport which has two wires going to the sensor instead of 1.
not necessarily.
just switch the wires round that goes to the sensor. both sensors have two wires, but on one of the looms the screed wire is used as an earth.
cut the wire that comes from the sensor and wire up the plug the other way round. you will find there is two wires, one red and green, the other a screed. wire the red and green to the screed and the screed to the red and green coming from the loom. i.e switch the wires over.
make sure you solder the contact or get a decent connection at least. then disconnect the battery for an hour before turning on the ignition to clear the fault codes. see if that works. (the above is a lot easier with the sensor removed btw
as long as the ecu is from the same car as the loom (or same age car) then you shouldnt have to do anything else. if the above isnt true then you will need to do one more thing, but ill get to that if you need it
let us know how you get on
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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Burnout:
i also noticed that you posted this in another post:
quote:
Originally posted by burnout
i also have this problem went to try and get it sorted today an it was the knock sensor as my 96 sport had two wires going to it but the 95 model only has one so all they told me to do is change my wire loom under the inlet an get a new knock sensor so it will the pick the signal up. if thats any help at all,
that will not work. the ecu plugs are different and you will need to modify them to fit. you will also need a different sensor and swop the pin positions around for the knock sensor signal wire on the ecu plugs.
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