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first start of the morning

Discussion in 'A3/S3/Sportback (8P Chassis)' started by tdi-man, Aug 22, 2011.

  1. tdi-man

    tdi-man Well-Known Member

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    some times but not every time when starting first time in morning the first few seconds are are little lumpy then runs fine

    after that it's fine all day long first turn the key starts no probs.

    ANY IDEAS ?

    was thinking changing glow plugs ?

    no fault codes in vcds
     
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  3. warren_S5

    warren_S5 Moderator
    Staff Member Moderator VCDS Map User

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    Hard to say with the specific maps / egr delete.

    Obvious guess is air / fuel mix, so as you say, if glow plugs are old will it be as a result of map over fuelling slightly at cold start and drenching the glow plugs? Dirt in the fuel system???? When was it last serviced?
     
  4. tdi-man

    tdi-man Well-Known Member

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    did it before the map glow plugs are 3 years old from gsf
     
  5. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat
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    Have you had any cold mornings to warrant plug usage, as hasnt exactly been freezing & they only get used at low temps.
     
  6. tdi-man

    tdi-man Well-Known Member

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    no cold mornings here have ordered a set anyway and some fuel cleaner.
     
  7. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat
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    Assume fuel supply is fine, have you detach fuel lines 1st thing before morning start, stick pipe in a jug & get someone to turn over & see if the fuel is coming through pressured straight away or stumbles as such.
     

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