craig_lewis
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Registered: 23rd Nov 05
Location: Neath, Neath Port Talbot
User status: Offline
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I have had had my car since November and i am very happy with it except....sometimes when i go over 4k revs the revs stay there and i can't go faster its like restricting me. And while this is happening the orange management light comes on. This happens only now and again mostly on motorways and dual carriageways. Last month i had a diagnostic test and it said the Lambda sensor was the cause of my problem but i replaced it and the problem was still there. can any of you relate to my problem ??? i will be take the "paper clip test soon" but i can see it just saying LS again. i have a 1.2 16 engine and sorry for the essay
regards Craig
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craig_lewis
Member
Registered: 23rd Nov 05
Location: Neath, Neath Port Talbot
User status: Offline
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P.S
it doesnt like me going over 70-80 mph, light kicks in and then i get angry. i dont know what sensor it could be ??? or even something to do with the amout of petrol geting to the engine ??? any ideas guys
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ed
Member
Registered: 10th Sep 03
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Get it tested by Vauxhall. Only an idiot would go replacing sensors on one of those engines without having an ECU diagnostic done. Could go to a Bosch center garage too as they have the equipment to read the ECU's properly too.
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jazzer2k3
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Registered: 24th May 03
Location: **SHEFFIELD**
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If it goes to 4k and then no more .. Its the knock sensor ...
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jazzer2k3
Member
Registered: 24th May 03
Location: **SHEFFIELD**
User status: Offline
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O p.s .... If it is that, make sure u get the correct one to replace it .. cos there are two types
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craig_lewis
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Registered: 23rd Nov 05
Location: Neath, Neath Port Talbot
User status: Offline
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i did get a diagnostic test done. This guy came to my home pluged this machine into fuse box and cig lighter and in secs said your lambda sensor has gone .. i will take it to vauxhall next week though
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craig_lewis
Member
Registered: 23rd Nov 05
Location: Neath, Neath Port Talbot
User status: Offline
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it does go over 4k revs normally so can this still be knock sensor and what does this sensor do?? jazzer?
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jazzer2k3
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Registered: 24th May 03
Location: **SHEFFIELD**
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well i had this problem when i swapped my engine over from 1.2 8v to a GSi ..
My engine did exact same 4k, which is about 20mph in each and every gear ?? So, i did that paper clip test and it came up with alot of fakes but the main one was the Knock Sensor - I think it determines premature detination  So if its that, u wanna swap asap
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craig_lewis
Member
Registered: 23rd Nov 05
Location: Neath, Neath Port Talbot
User status: Offline
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how much u pay for a new one ????
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jazzer2k3
Member
Registered: 24th May 03
Location: **SHEFFIELD**
User status: Offline
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Hmm, in mine it was the wiring to the sensor mate so i never got around to it .. at a guess i wud say £30-£40 Buts thats a guess .. But like i said there are two types so make sure u know which it is
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Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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Before you go buying anything I would check into it further.
If the engine is cutting its self off at 4K, it's because it is in limp home mode.
Any fault that the ECU registers engine wise apart from an EGR will cause this.
Chances are it may be the knock sensor, but it may not.
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craig_lewis
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Registered: 23rd Nov 05
Location: Neath, Neath Port Talbot
User status: Offline
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so my best bet is take it to a vaxuall dealer and get it tested?
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Dean_W
Member
Registered: 13th Dec 05
Location: Downham Market, Norfolk
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When my light come on, i went into Vaux and they wanted about £80 to do a diagnostic test! Robbin basturds!
I ended up asking around a few garages and managed to get it done for £20 cash.
Ask about and see if any local garages have the equipment.
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craig_lewis
Member
Registered: 23rd Nov 05
Location: Neath, Neath Port Talbot
User status: Offline
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ok thanks for you help guys i will ket your know the out come
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Dean_W
Member
Registered: 13th Dec 05
Location: Downham Market, Norfolk
User status: Offline
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VegasPhil
Premium Member
Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
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Get the 1.2 16v Team in here  You know who you are  .
Corsa 2.0 16v Vegas - Sold
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Rob B
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Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
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Lambda or AFM
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craig_lewis
Member
Registered: 23rd Nov 05
Location: Neath, Neath Port Talbot
User status: Offline
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whats an AFM ??
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Dean_W
Member
Registered: 13th Dec 05
Location: Downham Market, Norfolk
User status: Offline
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http://www.corsasport.co.uk/board/viewthread.php?tid=261184
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craig_lewis
Member
Registered: 23rd Nov 05
Location: Neath, Neath Port Talbot
User status: Offline
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Air Flow Meter . i said this to one of my mates and he said "there can never be to much air " i was a bit puzzled
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ed
Member
Registered: 10th Sep 03
User status: Offline
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For fucks sake!!! Don't go guessing this sort of thing. GET IT BLOODY TESTED!
I mean properly, by Vauxhall on thier Tech II machine. You will be wasting your time and money otherwise. There are millions of post lik this where people randomly list every sensor in the fuel system and the person blindly bus new sensors and fits them. Guess what, the problem was never sorted first time....... Anyway, no one ever listens to me when I say this, so just go ahead, waste your time and money.
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Dean_W
Member
Registered: 13th Dec 05
Location: Downham Market, Norfolk
User status: Offline
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quote:
Originally posted by ed
For fucks sake!!! Don't go guessing this sort of thing. GET IT BLOODY TESTED!
I mean properly, by Vauxhall on thier Tech II machine. You will be wasting your time and money otherwise. There are millions of post lik this where people randomly list every sensor in the fuel system and the person blindly bus new sensors and fits them. Guess what, the problem was never sorted first time....... Anyway, no one ever listens to me when I say this, so just go ahead, waste your time and money.
He's spot on right!
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mwg
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Registered: 19th Feb 04
Location: South Lakes
User status: Offline
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I had exactly the same problem. Had tech2 plugged in, came back with o2 sensor fault. Replaced that, didn't solve the problem! Ended up it was the Air Flow Meter and it didn't come up on the diagnostic. Even after I had the o2 sensor replaced the diagnostic still showed the o2 sensor to be at fault 
So yes get it tested but dont take it as the gospel...
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x14xe
Member
Registered: 15th Dec 05
Location: Sutton-on-Hull, Kingston upon Hull
User status: Offline
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I had same probs, it turned out to be the engine wiring plug, like a big circular mulit plug had come undone. When i tested it come up with three different faults, so had to be wiring,
Try looking for a loose connection around the engine some where.
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craig_lewis
Member
Registered: 23rd Nov 05
Location: Neath, Neath Port Talbot
User status: Offline
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ok thanks for your advice guys i will get it tested at vaux
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