Tuning for economy
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From: Peter Hill on 20 Mar 2010 13:12 On Sat, 20 Mar 2010 11:50:35 -0000, "John" <Who90nospam(a)ntlworld.com> wrote: >My wife has a Daewoo Kalos (04) (alright - don't laugh). > >I feel it isn't as economical as it should be but I don't want to throw >money at a garage if there is nothing that can be done. > >Does anyone know if a garage would be able to improve it? (over and above >changing the air filter, etc) Can anything on the fuel injection system be >checked and adjusted? Remove / by-pass any hot start enrichment device. Only really needed for tropics or very hottest of summer days. Put a resistor on a switch in parallel with ECU temp sensor so it responds as though it's warmer than it really is while warming up. It will lean it out. Leaving it switched on when engine is up to temp will make it over fuel to cool engine. Don't use it till the weather is warmer. I think during the cold spell I've taken a 2mpg hit. -- Peter Hill Spamtrap reply domain as per NNTP-Posting-Host in header Can of worms - what every fisherman wants. Can of worms - what every PC owner gets!
From: Duncan Wood on 20 Mar 2010 14:44 On Sat, 20 Mar 2010 17:12:15 -0000, Peter Hill <peter.usenet1(a)nospam.demon.co.uk> wrote: > On Sat, 20 Mar 2010 11:50:35 -0000, "John" <Who90nospam(a)ntlworld.com> > wrote: > >> My wife has a Daewoo Kalos (04) (alright - don't laugh). >> >> I feel it isn't as economical as it should be but I don't want to throw >> money at a garage if there is nothing that can be done. >> >> Does anyone know if a garage would be able to improve it? (over and >> above >> changing the air filter, etc) Can anything on the fuel injection system >> be >> checked and adjusted? > > Remove / by-pass any hot start enrichment device. Only really needed > for tropics or very hottest of summer days. > > Put a resistor on a switch in parallel with ECU temp sensor so it > responds as though it's warmer than it really is while warming up. It > will lean it out. Leaving it switched on when engine is up to temp > will make it over fuel to cool engine. > > Don't use it till the weather is warmer. I think during the cold spell > I've taken a 2mpg hit. Buy a bicycle & stop driving it for 2mile trips.
From: Mike Tomlinson on 20 Mar 2010 21:50
In article <mE2pn.438432$6i7.126825(a)newsfe06.ams2>, John <Who90nospam(a)ntlworld.com> writes > Can anything on the fuel injection system be >checked and adjusted? Driving style makes a huge difference. For example, those people who accelerate up to a red light or a stationary car then brake hard. Why? Just coast up and save the fuel. -- (\__/) (='.'=) Bunny says Windows 7 is Vi$ta reloaded. (")_(") http://imgs.xkcd.com/comics/windows_7.png |