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 Posted: Sat Dec 14, 2013 5:13 am |
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Joined: Sep 07, 2013
Posts: 101
Trade Rating: 0
Location: Birmingham
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got a standard gti 180 with just a decat and the mpg is 20.1 mpg on average now I know that there not going to do much more but surely it should be at least near 30 ??? I used to have a heavy foot in it but since having the car for a while I've calmed down so to speak . just wondering why no matter how smooth or slow I drive I cant seem to get the number up , any help would be grateful cheers.
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Posted: Sat Dec 14, 2013 5:14 am |
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Joined: Sep 07, 2013
Posts: 101
Trade Rating: 0
Location: Birmingham
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2004 model
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Posted: Sat Dec 14, 2013 5:18 am |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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Start off by giving it a good service. Maybe run something like Redex through the fuel system to clean it.
You could also check the live data to make sure the emissions are at the correct level.
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Posted: Sat Dec 14, 2013 6:02 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Depends massively on the sort of us it gets too. Lots of short journeys round town will increase fuel consumption compared to long runs on the motorway or clear A roads.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Sat Dec 14, 2013 11:17 am |
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Joined: Mar 15, 2012
Posts: 327
Trade Rating: 0
Location: Essex
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if you're doing a lot of 2-3 mile trips from a cold engine or standing in traffic then no,that wouldbe about right. i manage to scrape 24-25 in my 136 in a mix of light traffic or short to medium trips. its just been fully serviced and most the fuel/ignition system is new in last 12 months
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| Joined the GTi massive 10/1/13
Goodbye lairy Pugani (quicksilver 1.4)  | |
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Posted: Sat Dec 14, 2013 12:52 pm |
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Joined: Jun 28, 2012
Posts: 540
Trade Rating: +2
Location: Torbay, England
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I average 35/36 these days in my 180  haha. Give it a good service for a start and go from there.
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Posted: Sun Dec 22, 2013 3:06 am |
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Joined: Nov 28, 2010
Posts: 322
Trade Rating: 0
Location: south wales
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When was it serviced last.
After that the only thing you can do it get it pluged it and look at live data readings for engine temp sensor reading, map readings , lambda sensor readings etc etc to check the readings are correct, they could make a massive difference to performance and mpg.
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| Mark
03 206 1.4 hdi 3 door 187k
02 transit 100 280 196k
04 renault Laguna 80k
09 transit 115 300 43k. | |
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Posted: Sun Dec 22, 2013 12:14 pm |
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Joined: May 16, 2011
Posts: 495
Trade Rating: +1
Location: huddersfield
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Is there black soot at all at the tail pipe end, meaning is the engine running rich.
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| 206 2ltr Hdi glx 53 plate | |
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Posted: Sun Dec 22, 2013 12:30 pm |
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Joined: Nov 28, 2010
Posts: 322
Trade Rating: 0
Location: south wales
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| DREWDEN wrote: |
| Is there black soot at all at the tail pipe end, meaning is the engine running rich. |
If there is maybe a split turbo pipe.
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| Mark
03 206 1.4 hdi 3 door 187k
02 transit 100 280 196k
04 renault Laguna 80k
09 transit 115 300 43k. | |
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Posted: Sun Dec 22, 2013 1:19 pm |
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Joined: May 25, 2011
Posts: 1025
Trade Rating: +1
Location: south coast
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| mjsroofing wrote: |
| DREWDEN wrote: |
| Is there black soot at all at the tail pipe end, meaning is the engine running rich. |
If there is maybe a split turbo pipe. |
that maybe a bit hard on a 180 
as said above get a full service done and take it from there, my 180 is used as a weekend toy and as such it does get used very hard but still getting 32.5 on the mfd.
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Posted: Sun Dec 22, 2013 2:43 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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Light exhaust blow ahead of a lambda sensor will throw the ecu fueling out?
Slow to warm up meaning thermostat defective?
Binding brakes?
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Sun Dec 22, 2013 6:00 pm |
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Joined: Nov 09, 2011
Posts: 328
Trade Rating: 0
Location: Lower Slaughter
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real good service and make sure she is warm before you leave. something that is missed a lot is tire pressures, they can make a huge difference
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| 2003 206 1.4 HDi (3 Door) LX - Cypress Green - KQM
2003 206 SW 2.0 HDI Grey | |
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Posted: Mon Dec 23, 2013 3:07 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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Actually tyre pressure make very little difference to economy. Maybe if you are chasing that last 0.5 - 1.0 mpg but not much more.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Mon Dec 23, 2013 3:11 pm |
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Joined: Feb 07, 2010
Posts: 7093
Trade Rating: +11
Location: Suffolk
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I wish i saw about 30 in winter
Barely see 27 nowadays in my impreza
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| Team Impossible Possible
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Posted: Mon Dec 23, 2013 3:24 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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27 from a Scoobie you are doing well!
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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