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Author engine mangement light and revving on its own
corsav38
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Registered: 4th Sep 10
Location: cheshire
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9th Jan 12 at 17:53   View User's Profile U2U Member Reply With Quote

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
gazamac1
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Registered: 18th Feb 10
Location: Inverness
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9th Jan 12 at 17:58   View User's Profile U2U Member Reply With Quote

Sticky EGR valve?
Generation
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Registered: 7th Jul 09
Location: Essex
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9th Jan 12 at 18:00   View User's Profile U2U Member Reply With Quote

Get the codes read, thats what they're there for.
corsav38
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Registered: 4th Sep 10
Location: cheshire
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9th Jan 12 at 18:05   View User's Profile U2U Member Reply With Quote

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 ?
Generation
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Registered: 7th Jul 09
Location: Essex
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9th Jan 12 at 18:13   View User's Profile U2U Member Reply With Quote

How can he check it? unless he removed it? They're only about 10 to buy new
gazamac1
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Registered: 18th Feb 10
Location: Inverness
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9th Jan 12 at 18:18   View User's Profile U2U Member Reply With Quote

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]
corsav38
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Registered: 4th Sep 10
Location: cheshire
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9th Jan 12 at 18:47   View User's Profile U2U Member Reply With Quote

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
VegasPhil
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Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
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9th Jan 12 at 18:56   View Garage View User's Profile U2U Member Reply With Quote

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
corsav38
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Registered: 4th Sep 10
Location: cheshire
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9th Jan 12 at 19:18   View User's Profile U2U Member Reply With Quote

replace the temp sensor ? that wouldn't make it rev on its own tho would it ? need to look into that too
Generation
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Registered: 7th Jul 09
Location: Essex
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9th Jan 12 at 19:22   View User's Profile U2U Member Reply With Quote

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]
corsav38
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Registered: 4th Sep 10
Location: cheshire
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9th Jan 12 at 19:24   View User's Profile U2U Member Reply With Quote

ok thanks for help
Adam-D
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Registered: 11th May 02
Location: Cheshire
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9th Jan 12 at 19:43   View User's Profile U2U Member Reply With Quote

revving on own, icv normally,
cts will casue hunting, not normally revving
egr can cause alsorts, hunting and revving and not starting alltogether.
corsav38
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Registered: 4th Sep 10
Location: cheshire
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9th Jan 12 at 23:56   View User's Profile U2U Member Reply With Quote

i think my best bet take it to a garage let them have a look then or ?

 
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