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  1. Could anyone have a look and advise on these logs? 
    #1
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    Hi I am experiencing high fuel consumption in my MK5 BXE Golf so I took some logs to see if anyone could spot anything unusual? It is fully serviced with no faults.
    Any help would be greatly appreciated!!


    Group A: '001 Group B: '008 Group C: '011
    Engine Speed Injection Quantity Injection Duration Coolant Engine Speed Torque Request Torque Limitation Smoke Limitation Engine Speed Boost Pressure Boost Pressure Charge Pressure
    TIME (G28) (specified) Temperature (G62) TIME (G28) (Driver) TIME (G28) (specified) (actual) Control Duty Cycle
    Marker STAMP /min mg/str KW C STAMP /min Nm Nm Nm STAMP /min mbar mbar %
    0.2 1260 17.8 10.2 79.2 0.4 1281 175.7 219.6 217.2 0.01 1239 1162.8 1285.2 65.1
    0.81 1344 35.7 14.8 79.2 1.01 1386 346.5 234.2 236.7 0.61 1323 1489.2 1285.2 84
    1.42 1470 39.8 16.8 79.2 1.62 1512 344 251.3 285.5 1.21 1428 1672.8 1509.6 72.2
    2.03 1617 41.7 17.9 79.2 2.23 1659 339.2 263.5 297.7 1.82 1554 1774.8 1774.8 57.2
    2.63 1785 43.9 18.9 79.2 2.84 1848 336.7 275.7 302.6 2.43 1722 1887 2050.2 47.7
    3.24 1953 43.6 19.4 79.2 3.45 1995 331.8 275.7 305 3.04 1890 1989 2305.2 35.9
    3.86 2121 43.9 19.4 79.2 4.06 2184 327 275.7 305 3.66 2079 2040 2223.6 39.8
    4.47 2289 43.6 19.9 79.2 4.67 2352 322.1 273.3 307.4 4.27 2247 2040 2080.8 33.1
    5.08 2478 43.1 19.9 79.2 5.29 2541 314.8 268.4 309.9 4.88 2415 2040 2070.6 30
    5.69 2646 42.3 19.9 79.2 5.89 2709 312.3 266 324.5 5.49 2604 2040 2040 30
    6.3 2814 42.5 20.4 79.2 6.5 2877 307.4 263.5 334.3 6.09 2751 2040 1978.8 32.7
    6.9 2982 42 20.9 79.2 7.11 3024 305 258.6 334.3 6.7 2940 2040 1958.4 35.5
    7.51 3129 41.5 20.9 79.2 7.72 3171 300.1 253.8 334.3 7.31 3087 2040 1938 38.3
    8.12 3318 39.5 20.9 79.2 8.33 3360 297.7 248.9 334.3 7.92 3234 2040 1938 38.3
    8.73 3444 41.5 22.4 79.2 8.93 3507 292.8 244 334.3 8.53 3402 2040 1938 37.5
    9.34 3633 39.5 22.4 79.2 9.54 3675 290.4 239.1 334.3 9.14 3570 2040 1978.8 38.7
    9.95 3801 39.3 23.5 79.2 10.15 3843 287.9 234.2 334.3 9.74 3738 2029.8 2009.4 40.2
    10.56 3969 38.4 24 79.2 10.76 4032 283 229.4 334.3 10.35 3906 2009.4 2009.4 39.5
    11.16 4116 37.1 24 79.2 11.36 4158 280.6 217.2 334.3 10.96 4053 1968.6 2009.4 35.9
    11.77 4242 35.4 22.4 79.2 11.97 4305 280.6 202.5 334.3 11.57 4200 1917.6 1989 31.6
    12.38 4389 32.1 19.9 79.2 12.58 4410 278.2 185.4 331.8 12.18 4326 1866.6 1938 30.8
     
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  2. Re: Could anyone have a look and advise on these logs? 
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    Log Number 2

    Group A: '003 Group B: '008 Group C: '011
    Engine Speed Exhaust Gas Exhaust Gas Exhaust Gas Engine Speed Torque Request Torque Limitation Smoke Limitation Engine Speed Boost Pressure Boost Pressure Charge Pressure
    TIME (G28) Recirculat. (spec.) Recirculat. (actual) Recirc. Duty Cycle TIME (G28) (Driver) TIME (G28) (specified) (actual) Control Duty Cycle
    Marker STAMP /min mg/str mg/str % STAMP /min Nm Nm Nm STAMP /min mbar mbar %
    0.57 1827 345 355 48.9 0.92 1932 246.4 275.7 175.7 0.31 1827 1101.6 1050.6 69
    1.57 1932 825 770 95.5 1.85 1974 331.8 275.7 285.5 1.21 1848 1703.4 1142.4 86.4
    2.49 2142 845 1110 95.5 2.79 2226 324.5 275.7 305 2.2 2058 2019.6 2080.8 35.1
    3.29 2352 850 1030 95.5 3.49 2415 319.6 270.8 307.4 3.02 2289 2040 2539.8 23.7
    3.92 2520 850 890 95.5 4.17 2562 314.8 268.4 312.3 3.69 2457 2040 2274.6 29.2
    4.82 2688 850 845 95.5 5.1 2730 309.9 266 329.4 4.46 2604 2040 2019.6 30.8
    5.59 2835 850 820 95.5 5.86 2898 307.4 261.1 334.3 5.36 2793 2040 1907.4 32.7
    6.36 3003 850 820 95.5 6.59 3024 305 258.6 334.3 6.09 2940 2040 1856.4 32.4
    7.09 3129 850 810 95.5 7.32 3171 300.1 253.8 334.3 6.82 3087 2040 1856.4 33.1
    7.93 3276 850 800 95.5 8.29 3339 297.7 248.9 334.3 7.65 3213 2040 1846.2 35.5
    8.82 3444 850 800 95.5 9.12 3507 292.8 244 334.3 8.51 3402 2040 1866.6 35.1
    9.76 3612 850 805 95.5 10.11 3675 290.4 239.1 334.3 9.47 3570 2040 1938 35.5
    10.71 3780 850 800 95.5 11 3843 287.9 234.2 334.3 10.37 3738 2029.8 1958.4 40.6
    11.56 3969 850 795 95.5 11.82 4011 283 229.4 334.3 11.33 3906 1999.2 1989 37.9
    12.26 4095 850 785 95.5 12.52 4137 283 219.6 334.3 12.05 4053 1968.6 2009.4 39.5
    13.12 4221 850 765 95.5 13.41 4263 280.6 207.4 334.3 12.78 4179 1927.8 1989 31.2
    13.96 4347 845 725 95.5 14.22 4389 278.2 190.3 331.8 13.73 4305 1876.8 1927.8 32
    14.68 4431 820 695 95.5 14.96 4473 278.2 178.1 329.4 14.45 4410 1825.8 1866.6 30.8
     
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  3. Re: Could anyone have a look and advise on these logs? 
    #3
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    No long enough and some groups needed not shown. Log just the engine temperature over a long drive in different situations but particularly on a long motorway cruise, doing this you will notice the dash temp gauge talks ********.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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  4. Re: Could anyone have a look and advise on these logs? 
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    Hi thanks for your reply, those logs were taken after a 20 minute drive to warm the car up I couldn't seem to get it up to 90c and it took a long time to get to 79-80. I suspect a faulty cts or the thermostat is stuck open. I believe the thermostat should open at 88ish. Yes you are right the gauge is almost to keep people happy...it was sitting 90c!
    Do you think the slightly lower maf readings are anything to worry about?
     
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  5. Re: Could anyone have a look and advise on these logs? 
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    Thermostat first, yes I think the temp gauge function is to stop people obsessing over the readings. To be honest I hate gauges, people get me to fit oil and other gauges to cars that were otherwise fine and suddenly the owner starts panicking about the readings.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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  6. Re: Could anyone have a look and advise on these logs? 
    #6
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    A lot of the machines I work on have lights and alarms...no gauge no problem! Great ill get the thermostat fitted over the next couple of days I also pass a dealer everyday so I will probably stop off and get a coolant temp sensor too just to have it done.
    What groups do you recommend logging? WOT in 3rd right?
     
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  7. Re: Could anyone have a look and advise on these logs? 
    #7
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    For now, concentrate on getting it hot, cold engines burn more fuel.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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  8. Re: Could anyone have a look and advise on these logs? 
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    Ill post results thanks!
     
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  9. Re: Could anyone have a look and advise on these logs? 
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    Hi so I changed the thermostat but I have not yet looked to see how its warming up because I have another issue. While I was at it I decided to pull the rocker cover and inspect the cam, it needs to be replaced there is up to 2mm worn off some of the lobes. I am in the process of ordering everything up but I am unsure whether or not to do the injector seals while I am at it. The car has 88k miles on it and vcds show the injectors are working fine with number 1 being out the most at +0.80. Do you think I should do them or leave them be? I don't really want the expense of replacing the 2 rocker shafts if I do the injectors too.
    Any advise would be great thanks.
     
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  10. Re: Could anyone have a look and advise on these logs? 
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    +.80 is a lot no matter the +/-2.88 quoted, if yo do not change the rocker arms, subsequent failure of the cam injector lobes will be refused under warranty

    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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