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Conference terri::cars_uk

Title:Cars in the UK
Notice:Please read new conference charter 1.70
Moderator:COMICS::SHELLEYELD
Created:Sun Mar 06 1994
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2584
Total number of notes:63384

451.0. "Golf fuel computer" by WARDER::MEAKINS (Clive Meakins) Tue Jan 17 1989 13:41

    Does anyone out there know how the VW Golf fuel computer works?
    
    I've heard that it doesn't use a fuel flow meter, but electrical
    connections to the coil, speedo and other places.  The first two
    tank fulls of fuel in my 16V Golf gave a real 33 mpg, the 
    computer indicates 29 mpg.  Is the computer normally more / less 
    accurate?  
    
    I've not done a long run yet, most trips being around 30 miles. 
    Should be doing a long trip this week, I'll see if that makes a
    difference.
    
    Clive.
T.RTitleUserPersonal
Name		DateLines
451.9at the third stroke ...JUMBLY::NUTLEYThu Feb 28 1991 17:0310
    RE:0
    
    My Golf 16v computer always calculates (misscalculates?) the mpg by
    by 3. ie computer = 29 mpg
    	  manually    = 33 mpg
    
    - probably best to only use it for what it's accurate at...telling the
      time!
    
    Roy
451.10And if you can push it...SUBURB::SCREENERRobert Screene, UK Finance EUCMon Mar 04 1991 18:5910
     
     I hate having a clock in the middle of my instrument panel!
     
     I always switch the thing to the oil temp.  It's great, the --- is a 
     constant reminder that the oil is not too warm (under 50 deg C), and so I 
     avoid pushing the car hard.
     
     Oh and the outside temprature is ok for when you are sitting in the car 
     park, having started up.  You can see roughly whether you should have 
     fitted those replacement heated washer jets or not!
451.11Computer is best!ODDONE::AUSTIN_IIan Austin of Cust. Serv.Mon Mar 25 1991 14:1711
    
    re - calculating manually
    
    Odometers usually overread (so you have done slightly less distance
    than you it says). So, manually calculating your mpg will usually show
    you are doing more miles per gallon than you actually are. The computer
    may be more accuate.
    
    Ian.
451.12Computer is best?JUMBLY::NUTLEYWed May 08 1991 17:374
    My odometer and fuel computer read the same milage...so I conclude that
    the mpg readout on the computer is inaccurate.
    
    -Roy