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  1. #1
    dan_gto's Avatar
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    Audi A3 Coolant Temprature

    Hello all, ive got a problem with my audi a3 1.8t, 2001.

    About a month ago the engine management light came on, so i got vag out, and came up with 1 error - 17704 - Error in Mapped Cooling System (usually temp Sensor or Thermostat).

    So i went for the cheapest option and bought a temp sensor, may i add, before i fitted the new temp sensor, my car was getting up to temprature within 5 mins, sitting on 90.

    Now with the new one fitted, my car didn't warm up even after driving 40 miles, the maximum temprature it got up to was about 80.

    I just find this very odd, and im a little confused to why my cars behaving like this ? should i change my thermostat aswell ? i need help lol

    Cheers.

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  3. #2
    S3KO4's Avatar
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    I would have gone thermostat first, tricky but worth it. there is another thread here shows you how to do it on a 20v 1.8t from a tt
    S3-8L REVO stage 2, Milltek, 3" DP & custom 3" decat, RS2 spark plugs, 4 bar FPR, Green-Cotton uprated upper/lower boost hose & TIP, Front Zimmerman & Ferrodo. LCR spliter. boost gauge, smoothed AB. Aero blades, H&R 5mm spacers. Best time 14.03sec, 0-62 in 5.7sec. 207gs @ 25psi , polished inlet mani. VAGCOM 805.1

  4. #3
    A3Tom's Avatar
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    Same deal as I had, changed my thermostat last week and it sorted it out.

    Stat is about 8 from GSF and all you need then is a bottle of G12 coolant for when you refill the system.

    Its a bit of a sod to get the housing off but if you take the main feed from the alternator off it makes it a lot easier.

    T
    2000 Audi A3 1.8T Sport - Custom Code Phase 1 remap / Custom Stainless Catback Exhuast / MKII 18" RS4 Reps / Wietec Ultra GT40mm / KW ARB's / Forge TIP / Forge 007 / Green Panel Filter / EBC Greenstuff pads / 312mm S3 front brake upgrade / Aero Wipers / LED Interior Lights / LED Side Repeaters / Face Lift Rear Lights and covered in Dodo Juice

  5. #4
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  6. #5
    dan_gto's Avatar
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    Ok cheers for the help guys, ill have to order a thermostat, and have ago at fitting it at the weekend, ill let ya know how i get on. =]

  7. #6
    pauldazzle's Avatar
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    Did you buy a genuine Vag sensor?
    My neighbour bought a cheap ebay one for his Cupra R & his guage started reading lower. I had a spare one which we stuck in & his guage went back to normal.
    A4 Avant B6 1.9 TDI 130 Sport (6) Moro Pearl Blue, GMBH S Line Kit, Decat, 165bhp remap, EGR delete, K&N panel, Dunlop SP Sport Max, Full Leather, Cruise Control, Full DIS, Bose, Audi phone prep, Cooled Glove Box, Rear privacy glass, Rear parking assist.
    2003 Seat Ibiza 1.2 TSI FR in Lima green.

  8. #7
    dan_gto's Avatar
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    No, i bought a cheap one from ebay ha, maybe i should try that first before the thermostat, cheers.

    I'll give it ago tomorrow, didnt get a chance last weekend.
    Last edited by dan_gto; 17th December 2009 at 20:52.

 

 

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