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 Posted: Mon Oct 31, 2011 10:09 am |
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Joined: Feb 08, 2010
Posts: 1709
Trade Rating: +18
Location: London
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My 1.4 8v 2006 struggles to get to 70 mph and past it.
I know its not a fast car anyway, I'm fine with that. But I think it shouldn't struggle to get to 70. When it was driven down to my house by the wife, she didn't notice any issues, but I didn't drive it on the motorway for ages after I had it.
So either something I have done has caused this or something needs to be replaced. What could be causing this?
I have 17" alloys - which I know will not be helping - I am planning to down grade, but need to know whether I should go down to 16s or 15s (I have a poll here).
Could it just be the alloys or spark plugs, fuel injectors?
Thanks in advance.
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| Haven't got a pic but we all know what they look like. |
Being the picky sort - I really hate it when people say this. Yes we all know what it looks like - but we all want to see the condition that yours is in! | |
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Posted: Mon Oct 31, 2011 10:36 am |
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Joined: Feb 24, 2010
Posts: 2596
Trade Rating: +17
Location: North West Wales
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When was it last serviced? And having 17's deffinatally wont do it any favours.
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Posted: Mon Oct 31, 2011 10:40 am |
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Joined: Feb 08, 2010
Posts: 1709
Trade Rating: +18
Location: London
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| LeeThr wrote: |
| When was it last serviced? And having 17's deffinatally wont do it any favours. |
Yeah I know the alloys aren't helping, but planning on sorting that soon 
No change after the service, was last year, but I haven't driven it recently.
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| Haven't got a pic but we all know what they look like. |
Being the picky sort - I really hate it when people say this. Yes we all know what it looks like - but we all want to see the condition that yours is in! | |
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Posted: Mon Oct 31, 2011 11:19 am |
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Joined: Feb 07, 2010
Posts: 3978
Trade Rating: +8
Location: Leeds / West Midlands
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come on, having 17s won't stop a 1.4 doing 70mph there will be something wrong with it
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Posted: Mon Oct 31, 2011 11:23 am |
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Joined: Jul 13, 2010
Posts: 1032
Trade Rating: +10
Location: sutton surrey/welwyn garden city
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There's definitely something wrong, my 1.1 gets to 70 easily. Best to get a full mechanical check once you have changed your alloys.
Whats your mpg like? As if it's bad then a full service should be the first thing to get done
Hope I've helped
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| You never really learn to swear until you learn to drive | |
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Posted: Mon Oct 31, 2011 11:25 am |
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Joined: Feb 24, 2010
Posts: 2596
Trade Rating: +17
Location: North West Wales
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| JordGJ wrote: |
| come on, having 17s won't stop a 1.4 doing 70mph there will be something wrong with it |
It wont stop it, but it will slow down the rate of acceleration.
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Posted: Mon Oct 31, 2011 11:29 am |
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Joined: Mar 29, 2010
Posts: 3977
Trade Rating: +15
Location: Halifax
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service it, clean the intake and if its no better do a compression test and test the o2 sensors.
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Posted: Mon Oct 31, 2011 11:29 am |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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The wheels won't make much difference to the speed. The aspect ratio gives between 1 and 9 mph difference, depending on tyre size.
You should easily reach 70mph. My 1.4 wants to keep going past 70mph and gets there quick enough for the engine size.
Give it a good service, and even get any fault codes read.
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Last edited by macca1411 on Mon Oct 31, 2011 11:36 am; edited 1 time in total
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Posted: Mon Oct 31, 2011 11:31 am |
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Joined: Feb 07, 2010
Posts: 1056
Trade Rating: +9
Location: Bury St Edmunds
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| LeeThr wrote: |
| JordGJ wrote: |
| come on, having 17s won't stop a 1.4 doing 70mph there will be something wrong with it |
It wont stop it, but it will slow down the rate of acceleration. |
Beg to differ. They would make hardly any difference. I had 17's on my 1.4 8v and acceleration and top end was exactly the same as with standard wheels.
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Posted: Mon Oct 31, 2011 12:07 pm |
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Joined: Feb 07, 2010
Posts: 3978
Trade Rating: +8
Location: Leeds / West Midlands
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i had 17s on my 1.1 and it could EASILY get to and beyond 70, him having 17s wouldn't make as much difference as he is describing
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Posted: Mon Oct 31, 2011 1:35 pm |
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Joined: Feb 10, 2010
Posts: 904
Trade Rating: +5
Location: Little hulton (worsley)
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Is the throttle cable slack/loose?
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| Image removed due to size
focus st 3 with pro alloy intercooler, 3" mongoose down pipe, 200 cell sports cat and mongoose cat back, collins bov, dreamscience dsci cold air intake,focus rs injectors,focus rs oil cooler,dreamscience dsci tuneing platform mod X map,focus rs clutch & flywheel, rs fuel pump, polly bushes in wish bones rear axal and suspension white line front and rear arb, eibach pro street s suspension. | |
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Posted: Mon Oct 31, 2011 2:14 pm |
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Joined: Feb 07, 2010
Posts: 3978
Trade Rating: +8
Location: Leeds / West Midlands
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| NICKST wrote: |
| Is the throttle cable slack/loose? |
thats not a bad shout
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Posted: Mon Oct 31, 2011 2:18 pm |
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Joined: Feb 23, 2011
Posts: 278
Trade Rating: +6
Location: Birmingham
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| NICKST wrote: |
| Is the throttle cable slack/loose? |
I adjusted mine and noticed a big difference on mine by doing this!!
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| Saphire Blue 206 (Gti Replica) SOLD
08 Seat Ibiza Sport | |
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Posted: Mon Oct 31, 2011 2:20 pm |
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Joined: Sep 20, 2011
Posts: 74
Trade Rating: +1
Location: Milton Keynes
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Possibilty of a blocked cat?
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Posted: Mon Oct 31, 2011 3:38 pm |
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Joined: Feb 08, 2010
Posts: 1709
Trade Rating: +18
Location: London
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| JordGJ wrote: |
| come on, having 17s won't stop a 1.4 doing 70mph there will be something wrong with it |
That's what I thought, it isn't helping, but it wont be the main cause.
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| Quote:: |
| Haven't got a pic but we all know what they look like. |
Being the picky sort - I really hate it when people say this. Yes we all know what it looks like - but we all want to see the condition that yours is in! | |
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