16mpg is no fun

1. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

   #1 13th March 2010, 19:33

   I've only just got my 106 GTI back on the road and it's doing my head in as i'm currently getting about 16mpg.
   
   I'm just waiting for the predator ECU which should hopefully improve things, but i drive like a saint generally and sometimes give it some beans but generally drive as eco friendly as i can.
   
   Any ideas to improve fuel consumption?
   
   Andy
2. nichollsvts Infrequent Poster Joined: Feb 2010 Middlesbrough Posts: 220 MK2 Saxo VTS Skoda Octavia VRS

   #2 13th March 2010, 20:05

   I assume you've done a fair bit changes to your engine? Tried resetting ECU?
   
   Other than that only thing to advise is be light on the throttle, try stay in high gear and look ahead and avoid unneccessary braking.
3. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

   #3 13th March 2010, 22:46

   The car is standard barring a blitz exhaust, tho i was always told it had kent cams, skimmed head etc... but it's still quicker than a standard GTI which is odd.
   
   Any ideas? lol
   
   Andy
4. liamo90 Regular Poster Joined: Jan 2010 nuneaton Posts: 485 clio 172 ph2

   #4 13th March 2010, 22:50

   strip it always helps with less weight
5. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

   #5 13th March 2010, 22:56

   I stripped the back seats out once, and was thinking of it again, but then i can only fit one person in with me so im not sure lol
   
   Andy
6. gavswav_VTR Infrequent Poster Joined: Feb 2008 Scotland Posts: 104 Saxo

   #6 13th March 2010, 23:04

   Try a full service mate;plugs, fuel and oil filters renewed along with the engine oil itself. Sounds like a serious Fuel mix problem which is usually down to the lambda sensor being shot. would replace that first tbh, unplug battery and ecu for 30 mins and hopefully it will sort itself out. even with those mods 16 mpg is seriously low.
   If all else fails just sell it and buy a 1.1
7. Kev_Vtec Saxperience Forum Bum Joined: Aug 2009 norfolk Posts: 3116 my drifter M3 rep :D saxo vts eh glad its gone,

   #7 13th March 2010, 23:09

   welcome to the low mpg club. the petrol pump is your best friend and your bank cards nightmare
8. Jazz Saxperience Post Whore Joined: Jul 2007 West Sussex Posts: 7566 CLS63 AMG

   #8 13th March 2010, 23:11

   16mpg... shizzle, even I'm getting way more than that. Either you're constantly ragging it around or theres something up.
9. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

   #9 14th March 2010, 00:15

   I'm doing a jp4 head conversion soon and got a predator ECU coming.
   
   Diagnostic showed lambda sensor is fine so will try a full service
   
   Andy
10. Saxguy Frequent Poster Joined: Feb 2010 taunton,somerset Posts: 506 Posi blue saxo vtr Gold vtr

    #10 14th March 2010, 00:16

    that must be really annoying
11. Saxguy Frequent Poster Joined: Feb 2010 taunton,somerset Posts: 506 Posi blue saxo vtr Gold vtr

    #11 14th March 2010, 00:16

    have it serviced mate and c if that helps
12. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

    #12 16th March 2010, 17:42

    Ok, i worked it out today and i put £20 in a couple of days ago when my fuel light came on and it came back on today after 96 miles.
    
    So i'm working that out as 24 miles per gallon roughly. How does that sound Feels bad lol
    
    Andy
13. raunchz Saxperience Addict Joined: Jul 2005 Solihull / Bournemouth Posts: 14233 2015 Lapiz Blue Golf R

    #13 16th March 2010, 17:43

    doesnt sound great
14. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

    #14 16th March 2010, 18:11

    Ideas?
    
    What is needed for a full service? Oil change was done quite recently actually.
    
    Typical cost of parts for a service?
    
    Andy
15. raunchz Saxperience Addict Joined: Jul 2005 Solihull / Bournemouth Posts: 14233 2015 Lapiz Blue Golf R

    #15 16th March 2010, 18:12

    air filter (maybe £10-£20 - oem)
    oil filter (£10)
    oil (£40)
    fuel filter (£10)
    Antifreeze for coolant (£15)
16. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

    #16 16th March 2010, 18:14

    Air filter i got an aftermarket one.
    
    £40 for oil :o ? Where you buying from? Seems a lot lol 10/40w right?
    
    What about spark plugs? Worth going fancy?
    
    Andy
17. raunchz Saxperience Addict Joined: Jul 2005 Solihull / Bournemouth Posts: 14233 2015 Lapiz Blue Golf R

    #17 16th March 2010, 18:15

    http://www.opieoils.co.uk/p-1146-sil...e-engines.aspx
    
    get a bit of discount on there from here
    
    could try new plugs, don't go fancy, go NGK
    
    might just be your right foot though
18. Sophia_Bush Saxperience Post Whore Joined: Jan 2007 Shropshire Posts: 9994 Moonstone Blue 106 GTi

    #18 16th March 2010, 19:17

    does your car stink of petrol at all? what the sparks like? also think of coolant temp sensor that will royally do you mpg aswell if thats ropey
19. adam2350 Regular Poster Joined: Feb 2009 ilkley Posts: 358 White Saxo VTS 2000, White alloys

    #19 16th March 2010, 19:23

    Make sure your exhaust isn't blowing sound like it may be part of the problem
20. axsaxoman Saxperience Forum Bum Joined: Jan 2003 Scotland Posts: 3380

    #20 16th March 2010, 19:40

    is car getting warm --is temp gauge in correct postion?
    something far wrong with it,you damaged the lambda probe ?
21. nichollsvts Infrequent Poster Joined: Feb 2010 Middlesbrough Posts: 220 MK2 Saxo VTS Skoda Octavia VRS

    #21 16th March 2010, 20:06

    I went to a local motor shop and got sparks, oil, oil filter and Fuel filter for £36.
    
    Once you've serviced it, run it about for a bit and give the oil a smell to make sure the fuel isn't mixing with the oil.
    
    Also check tyre pressure, if tyre pressure is low that won't help your mpg.
22. user_34090 Established Member Joined: May 2009 Devizes Posts: 2280 Blue Clio 172 Cup

    #22 16th March 2010, 20:38

    does your petrol tank just like run to the floor
23. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

    #23 16th March 2010, 22:08

    Garage done diagnostic and lambda etc... was fine, nothing showed up at all.
    
    I have noticed that the gasket between the mani and cat isnt in properly so its blowing a bit, could this be the cause? As it's giving me an excuse to fit my decat now.
    
    Car smells of oil, but always has, no smell of petrol.
    
    How would i check the sparks?
    
    Temps are fine by the way, water and oil both settle just around half way.
    
    Andy
24. nichollsvts Infrequent Poster Joined: Feb 2010 Middlesbrough Posts: 220 MK2 Saxo VTS Skoda Octavia VRS

    #24 16th March 2010, 22:18

    blowing gasket won't help, but wouldn't of thought it would kill your mpg that much.
    
    You have to take coil pack off and take the sparks off and inspect them.
    
    It's something daft like you petrol gauge? Have you filled it to the brim and seen how far you get?
    
    Did you check your tyre pressure?
25. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

    #25 16th March 2010, 22:33

    My petrol gauge don't work properly but it does show me the fuel light so i measured from when it came on, put £20 in and then drove it until it came on again.
    
    Can't afford to fill it to brim at the moment.
    
    Will check tyre pressure shortly though.
    
    Andy
26. axsaxoman Saxperience Forum Bum Joined: Jan 2003 Scotland Posts: 3380

    #26 16th March 2010, 22:37

    I have noticed that the gasket between the mani and cat isnt in properly so its blowing a bit, could this be the cause? As it's giving me an excuse to fit my decat now.
    air leak before lambda probe will cause ecu to add fuel --thats your problem most probably --not much of a garage who didi the diagnostic check ifthey didn,t know that
27. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

    #27 16th March 2010, 22:41

    Ok, time to fit decat tomorrow then, gives me an excuse to fit it now as my dad thinks i should keep the cat on
    
    Think it will add much noise to my already (setting off car alarms and waking people up) blitz subaru 4" exhaust? lol
    
    Andy
28. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

    #28 21st March 2010, 16:42

    Well i found out my problem, i don't know what it is but i could see fuel coming from the pipe in question (like a heatwave effect)
    
    Can anyone shed some light as to what this is, how to fix it and how much its going to cost me?
    
    Pics:
    
    
    
    
    
    Thanks,
    
    Andy
29. Slyboogie Regular Poster Joined: Nov 2009 Posts: 286

    #29 21st March 2010, 17:08

    I can see the problem.
    
    Your exhaust fell off...
    
    Edit: Just joking but thats definitely the reason your getting shit mpg. Can't believe we ouldnt even fit your decat. What a load of crap eh?
30. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

    #30 21st March 2010, 17:13

    Def think the decat is for a VTR/Quicksilver
    
    Took that pic when the cat was off, hence the lowness of it lol
    
    Andy
31. Stevo123 Established Member Joined: Apr 2009 Redcar Posts: 1971 2000 Posi Blue vtr

    #31 22nd March 2010, 14:36

    Are you running standard size wheels?
    
    Bigger wheels may give you a larger rolling radius depending on tyres fitted. Therefore a lower speed showing on your speedo and a "lower than what it actually is" milage readout as well.
    
    Also check tyre pressures, low pressures will knock a couple of mgp off at least.
32. Sophia_Bush Saxperience Post Whore Joined: Jan 2007 Shropshire Posts: 9994 Moonstone Blue 106 GTi

    #32 22nd March 2010, 14:53

    Quote:

    Originally Posted by aruffell Well i found out my problem, i don't know what it is but i could see fuel coming from the pipe in question (like a heatwave effect) Can anyone shed some light as to what this is, how to fix it and how much its going to cost me? Pics: Thanks, Andy

    
    PMd you details
33. moxy89 Saxperience Post Whore Joined: Feb 2008 Southampton Posts: 8188 Astra vxr with added boost

    #33 22nd March 2010, 14:55

    LOL to get that sort of mpg he would be looks at 90inch rims at least. Bigger wheels is not going to reduce it buy that much
34. aruffell Frequent Poster Joined: Dec 2007 Chatham, Kent Posts: 537 1998 Peugeot 106 GTI 1.6

    #34 22nd March 2010, 16:05

    Got 15's, it's def that valve thats broken as you can see the fuel waving out of it.
    
    Ordered from Citroen, just got to figure out how to fit it?
    
    I'm guessing i've got the drop the fuel tank?
    
    Andy