corsav38
Member
Registered: 4th Sep 10
Location: cheshire
User status: Offline
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hi i was driving around the other day and my engine management light come on then went off then came on and went off then about 5 mins later every time i put my clutch down it was revving on its own then the next day i went to the petrol station and was revving on its own again so turned it off wouldn't start so called rac and they came and got it started and plugged it in said coolant temperature came up but he checked it and it was ok any ideas what may of caused this scared to drive it again lol
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gazamac1
Member
Registered: 18th Feb 10
Location: Inverness
User status: Offline
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Sticky EGR valve?
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Generation
Member
Registered: 7th Jul 09
Location: Essex
User status: Offline
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Get the codes read, thats what they're there for.
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corsav38
Member
Registered: 4th Sep 10
Location: cheshire
User status: Offline
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i did the rac man plugged it in said it was coolant temp which was appearing but he checked and said wasn't anything wrong :S and gazamac1 will it be ok to drive and should i look into getting a new one or clean it ?
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Generation
Member
Registered: 7th Jul 09
Location: Essex
User status: Offline
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How can he check it? unless he removed it? They're only about £10 to buy new
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gazamac1
Member
Registered: 18th Feb 10
Location: Inverness
User status: Offline
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I'd definetley try cleaning first. See how it runs then. You could drive it, but wouldn't recommend it. Mine would idle really low and take off erratically when you accelerated.
It could also be a sticky idle control valve. Again, cleaning it may help.
[Edited on 09-01-2012 by gazamac1]
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corsav38
Member
Registered: 4th Sep 10
Location: cheshire
User status: Offline
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I'm not hundred percent what he did he was faffing around and plugged in again after but not sure if he took it off and put it back on .. and ok il get them cleaned up then see how it goes hopefuly no erratic accelerating thanks for the help
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VegasPhil
Premium Member
Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
User status: Offline
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CTS. The actual sensor is small. Just replace it for the sake of £6 or whatever they are from vauxhall.
Corsa 2.0 16v Vegas - Sold
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corsav38
Member
Registered: 4th Sep 10
Location: cheshire
User status: Offline
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replace the temp sensor ? that wouldn't make it rev on its own tho would it ? need to look into that too
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Generation
Member
Registered: 7th Jul 09
Location: Essex
User status: Offline
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The cts controls fuel and air mixture.
Ifs its wrong the engine can run rough, or be hit to start (usually when warm)
I'm unsure, but the car revving itself COULD POSSIBLY be, the cars way of burning off the extra fuel which is being pumped into it.
second art is an educated guess, not fact.
You have two faults here more than likely though
[Edited on 09-01-2012 by Generation]
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corsav38
Member
Registered: 4th Sep 10
Location: cheshire
User status: Offline
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ok thanks for help
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Adam-D
Member
Registered: 11th May 02
Location: Cheshire
User status: Offline
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revving on own, icv normally,
cts will casue hunting, not normally revving
egr can cause alsorts, hunting and revving and not starting alltogether.
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corsav38
Member
Registered: 4th Sep 10
Location: cheshire
User status: Offline
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i think my best bet take it to a garage let them have a look then or ?
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