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Thread: Oil Temperature puzzle

  1. #1
    Junior Member
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    Apr 2018
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    Oil Temperature puzzle

    According to the display, the oil temperature on my 1.6 TDI, (DDYA engine, 115ps) varies in a very illogical manner.

    It is never "steady" but usually around 95-100 on the flat on a dual carriageway at about 70mph.

    Going uphill, however, the temperature falls by around 5-9, while going downhill it rises by a similar amount.

    Is it possible the oil falls back from the sensor when going uphill? The car only has circa 8,000 miles and oil level is at the top of the dipstick range.

    Has anyone else monitored the oil temperature? Can anyone explain this odd behaviour?
    2018 Golf SE 1.6 TDI-CR DDYA 7 speed DSG

  2. #2
    Administrator Keithuk's Avatar
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    Jun 2012
    Stoke on Trent
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    The oil temperature will vary depending on how and where its driven.

    Mine will show 90 C but if I drive it hard it will show 104 C.

    You need to get your motor scanned (preferably with VAG-COM\VCDS) for any error codes logged in the ecu and post them, that will save a lot of guessing and check systems out.

    Manufacturer: VW, Date(s) Used: 11/2016-, Model: Golf/Variant/4Motion/R32, Engine Code: DDYA, 85Kw, 115PS, 1.6 Ltr, 4 Cyls, Remarks: Turbocharged Direct Injection Common Rail (TDI-CR) Timing belt
    2010 Golf GTD (170) CBBB, 5 Door, Shadow Blue (P6/D5Q), Transmission Code: KXZ, Flat Tyre Indicator, Basic Protection Pack + VCDS.

  3. #3
    Administrator Crasher's Avatar
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    Apr 2006
    Nottingham, England
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    What they have forgotten to do is make the temperature reading always stay the same except in a dire emergency, they did this with the coolant temperature gauge in the late 90’s after getting fed up of people whittling about the readings.
    2003 Skoda Octavia VRS Estate. APR 98RON remap, APR R1 diverter valve, Jetex exhaust, K&N panel filter, 7.5x18 Alutec Monstr wheels with 225/40 18 Uniroyal Rainsport 3 tyres.
    2006 Polo GTI 1.8T, APR 95RON remap
    1988 Golf 2 GTI 16 valve, 2.2 with Weber Alpha injection
    1983 Golf 1 GTI 8 valve, 2 litre with Eurospec racing 42/36 head
    1972 1302LS auto 1641cc conversion

    Vile Invention

    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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