poor mpg - Engines Forum - Peugeot 306 GTi-6 & Rallye Owners Club

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Subject: poor mpg

samslow

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Registered: 19 Jul 2010

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Post #1

Not had the 6 long but i have noticed how pants the mpg is already ive worked out about 20mpg at the moment and im not booting it if ido boot its even worse. I am mainly town driving but even so im sure it should be slightly better. Ive been trawling through threads onhere and lamda sensor and cts comes up alot. I have had another symptom too sometimes where it hesitate occasionally like its gonna stall then comes back to normal again.

Wheres best place to get lambda sensor and cts from?
Any part no.s?

thanks
Sam

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Diablo Gti6 ph 2 98

Posted 13th Apr 2012 at 12:59

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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

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Post #2

CTS from Peugeot costs around £18, lambda sensor get one from any factors that sell Bosch as the genuine one is a Bosch one in a Peugeot box. Wink

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Posted 13th Apr 2012 at 13:07

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samslow

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Post #3

what do i ask for "coolant temp sensor"?

thanks for the quick reply

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Diablo Gti6 ph 2 98

Posted 13th Apr 2012 at 13:08

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welshpug!

Capt Pedantic

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Post #4

yup, the green 2 pin one.

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Posted 13th Apr 2012 at 13:09

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samslow

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Post #5

cool!
theres loads o lambda sensors on ebay with differenct p/no s all saying 306 these worth a look and new too

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Diablo Gti6 ph 2 98

Posted 13th Apr 2012 at 13:11

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welshpug!

Capt Pedantic

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Post #6

there will be a few differences, very early 306's had two 2 pin plugs, but all gti6's had one 4 pin plug, the length of the lead varies too, two lengths IIRC.

you can get the Bosch ones quite cheap if you don't mind a bit of soldering/crimping as you can get them minus the plug, its about £25 more for a direct fit.

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Posted 13th Apr 2012 at 13:16

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samslow

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Post #7

£24 from peugeot got in one fetching today for cts
£170 for lambda from peugeot not that ill be getting that from there

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Diablo Gti6 ph 2 98

Posted 13th Apr 2012 at 13:19

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stan_306gti6 Forum Admin

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Registered: 18 Jan 2004

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Post #8

£170 for the lambda, it used to be £100 and I thought that was expensive then. Shock

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Posted 13th Apr 2012 at 15:04

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welshpug!

Capt Pedantic

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Post #9

£86 I think for a direct fit one from ECP, best to give them a call as their listings aren't showing them for a 306 LOL

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Posted 13th Apr 2012 at 15:08

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miles

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Post #10

NTK's I use (NGK brand) these are around £55.00 from a factor

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Posted 13th Apr 2012 at 15:14

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coskev

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Post #11

MPG is not good around town I'm afraid,its a 2.0 ltr petrol at the end of the day Roll eyes

Mine just clears 30mpg on my commute which is 40 mile round trip,does get booted a fair bit Big grin

But round town when I'm off work its not much over 20mpg

To put it in perspective though a bloke at works M3 shows 13mpg round town! Shock

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Posted 14th Apr 2012 at 22:26

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mechanical_repairs

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Post #12

welshpug! wrote:

£86 I think for a direct fit one from ECP, best to give them a call as their listings aren't showing them for a 306 LOL

They cost me about £60, that's what I paid last week, a Bosch unit.

Carl

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Posted 14th Apr 2012 at 22:29

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samslow

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Post #13

coskev wrote:

MPG is not good around town I'm afraid,its a 2.0 ltr petrol at the end of the day Roll eyes

Mine just clears 30mpg on my commute which is 40 mile round trip,does get booted a fair bit Big grin

But round town when I'm off work its not much over 20mpg

To put it in perspective though a bloke at works M3 shows 13mpg round town! Shock

my best is 20mpg going from home 12 miles to town and back. my mates m5 is better or same Thumbs down

and thats tootling along light footed

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Diablo Gti6 ph 2 98

Posted 18th Apr 2012 at 12:06

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samslow

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Post #14

mechanical_repairs wrote:

welshpug! wrote:

£86 I think for a direct fit one from ECP, best to give them a call as their listings aren't showing them for a 306 LOL

They cost me about £60, that's what I paid last week, a Bosch unit.

Carl

£60 where from? thanks

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Diablo Gti6 ph 2 98

Posted 18th Apr 2012 at 12:07

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welshpug!

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Post #15

http://www.carparts4less.co.uk/lambda-sensor

part number 710770395 is £47, you'll need to connect your plug, very easy.

or 710545635 £63, NGK, direct fit 1265mm long lead,

or 710545625 £62 Bosch part direct fit 5465mm lead.

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Posted 18th Apr 2012 at 12:17

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samslow

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Post #16

welshpug! wrote:

thanks buddy

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Diablo Gti6 ph 2 98

Posted 18th Apr 2012 at 13:29

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coskev

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Post #17

welshpug! wrote:

Great info Thumbs up

at the length of the lead on the Bosch one Roll eyes

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Posted 18th Apr 2012 at 14:45

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eddy_gti6

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Post #18

Get a 106 diesel like i have just got. Unreal mpg! Laugh my ass off

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Posted 18th Apr 2012 at 15:21

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stan_306gti6 Forum Admin

Location: Kent

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Post #19

A 5.5 metre long lambda lead? Blink

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Peugeot 306 GTi-6
2000 (X), Moonstone Love

Posted 18th Apr 2012 at 16:41

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welshpug!

Capt Pedantic

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Post #20

lolls, 565mm

keydoarb failz

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Posted 18th Apr 2012 at 16:52

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ryangti6

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Post #21

Does your car run okay though? No other misfires, hesitation etc other than what you mention as that sounds more like the Icv needing a clean or replacing Imo.

I wouldnt automatically be blaming sensors for bad Mpg without any other symptoms suggesting that they are causing a problem. Loads of things can affect your Mpg, have you checked your spark plugs are in good condition? These can also be inspected to give you clues as to if it's running rich or lean etc.

Exhaust blowing is also another thing that will seriously affect your Mpg even if it is only a tiny leak. Also worth checking condition of airfilter etc, this could need changing or cleaning depending what you have fitted.

Unless one of those sensors are actually f**ked then your money could be much better spent on a good full service.

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Posted 18th Apr 2012 at 17:06

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heliosphan

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Post #22

Have you checked to see if you're towing a large trailer everywhere?
Have you removed the galleon sail from the roof yet? Some P2's came with these from the factory.

Posted 18th Apr 2012 at 17:45

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samslow

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Post #23

ryangti6 wrote:

Ive now changed the CTS and havent done enough miles to see if its made a difference. I havent seen the hesitance/like its gonna stall issue though since but it was intermittent.

I have a long long list of things to do on the car and plugs and service items are there but ill have a check now anyway. Ive spent a fair bit already on it. But i cant do it all at once as wallet cant take it!! Thumbs down

Generally otherwise it runs great. just abit juicy Roll eyes

. i do think its running a bit rich pipes a bit sooty iirc

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Diablo Gti6 ph 2 98

Posted 20th Apr 2012 at 16:29

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