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Author Subject: Sluggish car and MPG query
:: blade ::

Senior User

Location: Altrincham

Registered: 21 Aug 2007

Posts: 697

Status: Offline
Post #1
reet all got yet another prop with my car, filled the tank a few weeks ago and done 317miles which ive worked out for it to be around 29mpg, what should these engines get??

another thing is its been driving fine for the 2 weeks up until today on my way home from work, the car felt sluggish, say if you plant your foot it would take a few seconds for it to kick in then it would feel fine? not sure what this could be really

hope you can help

cheers

________________________________________

Black Ph1 XSi-6
161.8BHP (Getting Better!!!!)
Posted 17th Jan 2011 at 21:51
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cjm_harris

Seasoned Pro

Location: Parts for Sale section

Registered: 04 Dec 2007

Posts: 7,442

Status: Offline
Post #2
Had this with mine and it turned out to be the coolant temp sensor?

The green one on the thermostat housing Yes

________________________________________

Chris
1999 China Gti6 Supercharged Devil [Fun car] >>Project Thread<<
2000 Bianca 306 Diesel [Work runabout]
Posted 19th Jan 2011 at 18:54
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:: blade ::

Senior User

Location: Altrincham

Registered: 21 Aug 2007

Posts: 697

Status: Offline
Post #3
Cool cheers, will get that checked Smile

________________________________________

Black Ph1 XSi-6
161.8BHP (Getting Better!!!!)
Posted 19th Jan 2011 at 19:11
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anth

Seasoned Pro

Location: Colchester

Registered: 04 Apr 2006

Posts: 3,651

Status: Offline
Post #4
Just sounds like its over fueling so that should sort it. 29 mpg isn't that far from the norm though.

Posted 19th Jan 2011 at 19:15
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:: blade ::

Senior User

Location: Altrincham

Registered: 21 Aug 2007

Posts: 697

Status: Offline
Post #5
Been told it stinks on idle quite bad aswell, i have got in the past around 36-39mpg from it

________________________________________

Black Ph1 XSi-6
161.8BHP (Getting Better!!!!)
Posted 19th Jan 2011 at 19:24
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sharvey44

Senior User

Location: East London

Registered: 22 Feb 2010

Posts: 795

Status: Offline
Post #6
maybe MAP sensor? does it hesitate slightly when you accelerate?

________________________________________

Ph2.5 Nile - Slowly trying to de-East London it and restore to former glory...
Built on the 9 Febuary 1999 - Tuesday's car..is full of pace? Wink

Currently looking slightly molested due to some c*nt trying to get into it.. Sad

According to the forum Social Worker, because I work in IT, I am socially retarted..
Posted 19th Jan 2011 at 19:32
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:: blade ::

Senior User

Location: Altrincham

Registered: 21 Aug 2007

Posts: 697

Status: Offline
Post #7
A little bit, the map sensor has been changed with a fully working one, i could change it back i spose and see if that has an effect

________________________________________

Black Ph1 XSi-6
161.8BHP (Getting Better!!!!)
Posted 19th Jan 2011 at 19:40
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sharvey44

Senior User

Location: East London

Registered: 22 Feb 2010

Posts: 795

Status: Offline
Post #8
did you reset the ECU after?

________________________________________

Ph2.5 Nile - Slowly trying to de-East London it and restore to former glory...
Built on the 9 Febuary 1999 - Tuesday's car..is full of pace? Wink

Currently looking slightly molested due to some c*nt trying to get into it.. Sad

According to the forum Social Worker, because I work in IT, I am socially retarted..
Posted 19th Jan 2011 at 20:14
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:: blade ::

Senior User

Location: Altrincham

Registered: 21 Aug 2007

Posts: 697

Status: Offline
Post #9
Yea Smile

________________________________________

Black Ph1 XSi-6
161.8BHP (Getting Better!!!!)
Posted 19th Jan 2011 at 21:06
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rallyeash

Seasoned Pro

Location: Devizes

Registered: 11 Dec 2006

Posts: 4,424

Status: Offline
Post #10
coolant sensor could be the issue. worth changing for the cost of them

________________________________________

230 hp 2.1 16v XU 205 rallye on jenveysHyper Project thread here
309 3dr K20 Type R
Posted 19th Jan 2011 at 21:09
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:: blade ::

Senior User

Location: Altrincham

Registered: 21 Aug 2007

Posts: 697

Status: Offline
Post #11
How much are they??

________________________________________

Black Ph1 XSi-6
161.8BHP (Getting Better!!!!)
Posted 19th Jan 2011 at 21:42
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bennn

Seasoned Pro

Location: Shrewsbury

Registered: 05 Sep 2008

Posts: 2,705

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Post #12
bout a tenner from pug i think.

________________________________________

Cherry Red 306 HDI
Championship White Integra DC5 Type R
Posted 19th Jan 2011 at 22:28
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smegal

Seasoned Pro

Location: Leeds

Registered: 26 Dec 2005

Posts: 5,940

Status: Offline
Post #13
When I am next home you can bring it round if you want and I'll run a diag on it.

The coolant sensors are about £10 from ECP or about £20 from peugeot.

________________________________________

Ex SC-6

Now in a Megane R26
Posted 19th Jan 2011 at 22:34
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:: blade ::

Senior User

Location: Altrincham

Registered: 21 Aug 2007

Posts: 697

Status: Offline
Post #14
That would be cool that smegal, just give me a pm when ur back Smile will get a coolant temp sensor sometime next week Smile

________________________________________

Black Ph1 XSi-6
161.8BHP (Getting Better!!!!)
Posted 19th Jan 2011 at 23:09
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swiftyboi006

Seasoned Pro

Location: Maidenhead

Registered: 12 Apr 2010

Posts: 2,110

Status: Offline
Post #15
29mpg quite lucky if you ask me. I take it the cars standard?

________________________________________

cherry p1.....SOLD (regreting this)
blaze p2.....why did i buy this SOLD
Black p3 Love
Posted 26th Jan 2011 at 01:26
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cwspellowe

Seasoned Pro

Location: Calderbank

Registered: 19 Jul 2009

Posts: 6,496

Status: Offline
Post #16
It's an XSI - 6 hybrid iirc. I'd have imagined it would be slightly better than a gti6 on fuel.

Lambda's another shout too by the way, mine was sluggish as hell unless on wide open throttle. Replaced the lambda and its been fine

________________________________________

Bye bye Sundance Kid Sad
Posted 26th Jan 2011 at 01:36
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:: blade ::

Senior User

Location: Altrincham

Registered: 21 Aug 2007

Posts: 697

Status: Offline
Post #17
Yea xsi body but everything else is a gti, tbh the mpg is bad compared to what it used to be i have had around 36mpg. Will get the lambda checked asap. But atm need to get a clutch sorted as mine has started to slip now. But it was fine on full thottle its just getting up to it its sluggish,

And yea Pretty much standard apart from magnex cat back and a k&n air filter (which will soon be replaced with a standard airbox with replacement filter)

________________________________________

Black Ph1 XSi-6
161.8BHP (Getting Better!!!!)
Posted 26th Jan 2011 at 02:26
Profile
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