GTV CUP engine management help?? - Alfa Romeo Forum
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(Post Link) post #1 of 16 Old 31-01-08 Thread Starter
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GTV CUP engine management help??

Hello fellow alfa lovers. Can anyone offer any advice regarding my GTV CUP(No.40) engine management problem. Recently my engine management light has been intermittantly coming on and when it does so it seems to limit power to the engine-i can depress the accelerator fully and get almost nothing, but it does rev up if in neutral. It seems to clear itself and runs ok again but the e.m. light stays on for a day or two then just goes out!! Alfa dealers checked it and cleared the e.m. warning - they say it isnt a fault just a warning and have reprogrammed my ecu. This hasnt cured it as it came back again today. Any advice or ideas would be greatly appreciated. As would any recommendations for independant alfa garages in or around glasgow-dont trust the alfa dealer - they quoted me 400 for a 60,000 service and changing my timing belt/variator - Does that sound expensive?? The car only has 41000 on the clock but was last serviced a year ago. Cheers
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Re: GTV CUP engine management help??

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Originally Posted by WAVEMAN View Post
Hello fellow alfa lovers. Can anyone offer any advice regarding my GTV CUP(No.40) engine management problem. Recently my engine management light has been intermittantly coming on and when it does so it seems to limit power to the engine-i can depress the accelerator fully and get almost nothing, but it does rev up if in neutral. It seems to clear itself and runs ok again but the e.m. light stays on for a day or two then just goes out!! Alfa dealers checked it and cleared the e.m. warning - they say it isnt a fault just a warning and have reprogrammed my ecu. This hasnt cured it as it came back again today. Any advice or ideas would be greatly appreciated. As would any recommendations for independant alfa garages in or around glasgow-dont trust the alfa dealer - they quoted me 400 for a 60,000 service and changing my timing belt/variator - Does that sound expensive?? The car only has 41000 on the clock but was last serviced a year ago. Cheers


I thought the cup was a V6 and didnt have a variator, normally they say 400 then they start charging you on top for other bits and pieces so you end up with a big bill, its just to get people through the door i reckon.

Your problem with the car sounds strange, the only thing i can think of is the airmass sensor.
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(Post Link) post #3 of 16 Old 31-01-08 Thread Starter
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Re: GTV CUP engine management help??

cheers kav. As you may have guessed engines aint my strong point!!
More of a computer man, but i love my alfa's. It is a V6 3L beast. The alfa dealer originally quoted me £580 but discounted it because the car has always been serviced by them. Any idea how to confirm if it has a variator?? I dont even know what that is
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Re: GTV CUP engine management help??

400 for a 60k miles service and cambelt change on a V6 is excellent value as it takes about 5hrs labour. But it sounds like the dealer doesn't know what they are talking about: as Kav says the V6 does not have a variator.

As for your problem I wonder if you throttle potentiometer is at fault. Have a search on Throttle Pot and see if your experience is similar.
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Re: GTV CUP engine management help??

Top man! Thats what the dealer just told me they think is causing the problem(they called me 5 minutes ago). They offered to confirm this in front of me on the laptop diagnostics. As for the variator, it was the young dude on the service desk who said they always advise the variator is changed with the cambelt so i am guessing he just didnt know the V6 aint got one. Dont think he was being dodgy as it was him who discounted the labour charges to 50% as a favour-seems like a sound guy(maybe just not too technical minded).
Thankyou very much for the advice-much appreciated.
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(Post Link) post #6 of 16 Old 31-01-08 Thread Starter
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Re: GTV CUP engine management help??

Thanks again gents. Just called the dealer and explained my findings. The young guy on the desk did a quick check and was most embarassed to find out the V6 doesnt have a variator as you said. He discounted the price of that(£80) bringing the cost down from £400 to £320 for my 60,000 service + cambelt change!! Thats gotta be a good deal eh?? Regarding the potentiometer, i found a link which says 90% of the time it is a loose/bad connection at the throttle pot. Discussed this with the dealer and they agreed to refit the connector + reset the engine management error log at no cost. They asked if i could bring a copy of the advice from the forum as i explained it came from an alfa specialist down south. So many thanks for your help gents.
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Re: GTV CUP engine management help??

Sounds like a great deal - get the quote in writing if you can as that is very cheap. If it goes well then give the garage a recommendation here so that other owners can benefit.
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Re: GTV CUP engine management help??

That's an excellent price for service, especially considering its the labour intensive cambelt one!

To put that price into perspective, the previous owner of my Cup regularly got fleeced for £500-£800 per service (none of them including the belts) by a franchised Alfa dealer.

If I mention the word Cheshire, then I am sure many on here can guess who the fleecers are!...
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Re: GTV CUP engine management help??

M....... no i cant say it!
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Re: GTV CUP engine management help??

Make sure they change the tensioners as well also make sure you have it included in the quote.
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Re: GTV CUP engine management help??

Does the cup have a plastic impellor on the water pump?

If it does, get that done too.

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Re: GTV CUP engine management help??

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Does the cup have a plastic impellor on the water pump?

If it does, get that done too.

The 3.0 V6 usually comes with the metal water pump so that does not need changing, but occasionally some were fitted with the plastic one that was fitted as standard to the 2.5 V6, so yes get them to check that too and change if necessary.
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Re: GTV CUP engine management help??

The last thing that you want is it to overheat.
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Re: GTV CUP engine management help??

It could be the MAF, definitely get them to run it on a diagnostic.

320 for cambelts and a service is excellent.

Most V6s have the metal impellor, and I think all Cups do.

As long as the work is carried out properly it sounds like you've found yourself a great garage there.
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Re: GTV CUP engine management help??

Mangoletsi? I know an ex-mechanic from there and he has a whole world of horror stories...
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Re: GTV CUP engine management help??

I'd try an find an independant Alfa specialist nearby. No reason to get ripped off by a dealler now your warranty is out.

There's a thread on here somewhere with a list of independants. try having a search.
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