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Author Car feels like it's accelerating and decelerating on its own
deano87
Member

Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
1st Mar 10 at 22:11   View User's Profile U2U Member Reply With Quote

That's right, potentially got a problem with by Fiat already

When sitting at a constant speed, say 70mpgh in 6th, the car feels like it's accelerating and decelerating on its own. It's ever so slightly though. Initially I thought it was because it's fly-by-wire and therefore more sensitive than the Corsa throttle, but I'm certain this is not the case now and something is wrong.

Also, it seems to use more fuel than I thought it would and I'm not driving that hard - someone mentioned lambda sensor - would this cause an increase in fuel?

Main problem is the accelerating and decelerating though. Any help, advice etc would be great.

N3CRO
Member

Registered: 12th Apr 07
Location: Sandy, Bedfordshire
User status: Offline
1st Mar 10 at 22:15   View User's Profile U2U Member Reply With Quote

Sounds like you ain't used to it yet tbh.
am4nf
Member

Registered: 27th Jul 08
Location: South Ayrshire Drives: Corsa Sport
User status: Offline
2nd Mar 10 at 01:00   View User's Profile U2U Member Reply With Quote

FIAT
Tom J
Organiser: South Wales
Premium Member


Registered: 8th Sep 03
Location: Bridgend
User status: Offline
2nd Mar 10 at 11:41   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by am4nf
FIAT

fit it again tomorrow
deano87
Member

Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
2nd Mar 10 at 20:16   View User's Profile U2U Member Reply With Quote

Yeah, great, thanks for your input.
AlexW
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Registered: 25th Oct 08
Location: Essex
User status: Offline
2nd Mar 10 at 20:48   View User's Profile U2U Member Reply With Quote

Seems nobody wants to help you.

Lambda would cause a low MPG, but the pulsing of revs (I presume), is a hard one.

If you watch the rev gauge does it move at all?
deano87
Member

Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
2nd Mar 10 at 20:58   View User's Profile U2U Member Reply With Quote

It's exactly that, more a pulsing of revs rather than accelerating and decelerating - tbh it doesn't do it a great deal, but I'm sure it is.

Rev counter doesn't move.

Cheers
Root
Member

Registered: 28th Dec 08
User status: Offline
2nd Mar 10 at 21:18   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Tom J
quote:
Originally posted by am4nf
FIAT

fit it again tomorrow

fix? idiot

 
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