Fiat Coupe Club UK

High Revving

Posted By: Serg1

High Revving - 29/11/2018 12:39

Start-up it jumps to 3000rpm then slowly over a few minutes drops to 1500. When it reaches correct operating temperature it increases up to 3000. Any idea?
Posted By: Anonymous

Re: High Revving - 29/11/2018 14:59

Idle control valve needs a clean - 10 min job.

Pretty sure there is a guide if you search for it... :-)
Posted By: Serg1

Re: High Revving - 29/11/2018 19:48

Thanks suba, thought the ICV might be the problem. Just wanted to confirm my thoughts before I set out to clean it.
Posted By: Anonymous

Re: High Revving - 03/12/2018 12:18

Best place to start - nice and easy to do. fingers crossed. laugh
Posted By: Serg1

Re: High Revving - 19/12/2018 17:21

My widget showed MAF fault which has now been replaced but the fault still showed up. 2 weeks later I replaced the ICV and vacuum pipes. Fault has now cleared but still revving too high, around 1250. It also drops sometimes when I press the clutch pedal.

Any idea where to look next?
Posted By: jimboy

Re: High Revving - 19/12/2018 18:36

Early in my Coop ownership I was plagued with high revving time after time. I had leaks in the system all over the place, just when I thought things settled down, up came the revs again, in the end there were things sorted out but the main culprit was the doughnuts, on closer inspection they were mostly all cracked, changed the five of them, bingo. Worth a look.
Posted By: ScouseCoupe

Re: High Revving - 19/12/2018 18:36

Throttle Position Sensor checked yet?. Once changed this sorted out my high revving
Posted By: Serg1

Re: High Revving - 19/12/2018 19:46

Thanks guys, sensor and doughnuts on my check list.
Posted By: ScouseCoupe

Re: High Revving - 20/12/2018 14:25

Originally Posted By Serg1
Thanks guys, sensor and doughnuts on my check list.


Bosch Throttle Position Sensor 0280122001 is an easy change. Around £26.00 for the part.
Posted By: Serg1

Re: High Revving - 20/12/2018 17:53

Have one on order, fingers crossed that solves the revving problem. If not next stage would be doughnuts.

Any idea where I might pick set up?
Posted By: magooagain

Re: High Revving - 20/12/2018 19:52

Flexeo in France maybe.
Posted By: jimboy

Re: High Revving - 20/12/2018 21:54

I managed to buy a set at my local Fiat garage, & the young storeman who I thought was a bit quiet & uninterested gave me a decent discount. smile
Posted By: Edinburgh

Re: High Revving - 20/12/2018 22:12

I got a set from my Fiat dealer here in Edinburgh a few years ago...
Posted By: Serg1

Re: High Revving - 21/12/2018 10:05

Tried my local dealer, unfortunately they haven't.

Maybe silicone might be the way to go, if not any good condition used.
Posted By: jimboy

Re: High Revving - 21/12/2018 14:14

E bay no....292872990710 selling a set. No cracks apparently.
Posted By: DaveG

Re: High Revving - 21/12/2018 14:47

Or if you're not quite sure how many you need, nine should be enough
Posted By: jimboy

Re: High Revving - 21/12/2018 14:50

Looks like he's commanding seven quid each... shocked
Posted By: Edinburgh

Re: High Revving - 21/12/2018 15:34

Originally Posted By jimboy
Looks like he's commanding seven quid each... shocked


That's pretty much the dealer price
Posted By: DaveG

Re: High Revving - 21/12/2018 15:45

Yes, I suppose "9 for sale" could be interpreted as there being 9 for sale at £7 each but that's not how I read the as, which was 9 for £7. If there were 9 at £3 each the ad should have been set up with a selection box to ask how many the buyer wants...
Posted By: jimboy

Re: High Revving - 21/12/2018 17:50

Lets hope the OP will find a remedy.... driving
Posted By: Serg1

Re: High Revving - 21/12/2018 19:48

So do I jimboy!
Posted By: jimboy

Re: High Revving - 21/12/2018 20:24

This is the thing Serg about our cars, compared to other marks the Coop is only loved by those in the know, they get under your skin & when running as they should, you are a young man again behind the wheel of a car of high caliber although long in the tooth, but when glitches enter into the equation it's a pain in the esra. Ach! all Coop owners know this..... hippy
Posted By: adam16vt

Re: High Revving - 21/12/2018 20:39

I’ve got 5 inlet donuts somewhere,you can have them for nothing if you cover postage
Posted By: Serg1

Re: High Revving - 21/12/2018 21:42

Very true jimboy, I've had coupes for 11 years and I can't see my life without one.

That's very kind adam16vt, I'll take you up on your kind offer. PM me the postage etc and how you wish to be paid.

Forum power 👍
Posted By: Serg1

Re: High Revving - 03/01/2019 19:39

Thought it might help others to update this thread.

After replacing various parts only to find I still had the same high revving issue. After surfing the net I found a local garage that specialise in Italian cars. I've driven pass this garage on many occasions and not noticed it or even the large picture of a yellow coupe in the windrow.

Yesterday I dropped off my car. They quickly discovered the problem, accelerator cable needed adjusting. They told me it only needed adjusting by 1mm to solve that problem. Easy fix for them but took me weeks trying to solve it myself.

Hopefully this will help others who have the same high revving problem.
Posted By: jimboy

Re: High Revving - 03/01/2019 21:50

Glad you found & fixed the issue Serg. It's always a major plus when you have Coop friendly garage nearby...... driving
© 2024 Fiat Coupe Club UK