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Car being a bit of a pig to fire up ( just the first time each day )

Discussion in 'A3/S3 Forum (8L Chassis)' started by S3 Paul, Jun 7, 2010.

  1. S3 Paul
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    S3 Paul Well-Known Member Regional Rep

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    [Jun 7, 2010]
    Just of late my car has been a bugger to fire up , This only happens when the car has been left for atleast 6 hours ,
    Ive charged the battery and it isnt temperature ( weather ) related

    It turns over as normal just takes maybe a second or so longer than normal,
    Any ideas anybody??
    While playing with vag com ( no faults found ) i noticed the coolant temp. read on vag com shows around 100 degree and the dash shows 90. this surely isnt the problem is it??
    I mean a faulty coolant temp. sendor??
    #1
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  3. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Jun 7, 2010]
    Funny you'vw posted this as mines the same, thought it was the battery but had that replaced and its still the same, sometimes worse if its been cold, think it might be down to the MAF as i think thats knackered.
    #2
  4. sportstractor
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    sportstractor Chugger

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    [Jun 7, 2010]
    Mine had a funny starting thing going on after it had a smoke test, so I changed the maf and it went away.
    #3
  5. sportstractor
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    sportstractor Chugger

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    [Jun 7, 2010]
    nah they do this down to the varible temperture readout, its to make the car look more quality than it actually is.
    #4
  6. finesse
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    finesse Active Member VCDS Map User

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    [Jun 7, 2010]
    MAF Clean, I am about to do it now.
    #5
  7. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Jun 7, 2010]
    Already done it, think the Maf is well an truely dead.
    #6
  8. finesse
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    finesse Active Member VCDS Map User

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    [Jun 7, 2010]
    Shout at it, usually works with most things!
    #7
  9. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Jun 7, 2010]
    I had issues in the cold but its gone now its warmer. I've replaced the temp sensor, replaced the fuel filter, cleaned the throttle body, reset the TB position, and cleaned the maf. It still does it in the cold!
    #8
  10. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Jun 7, 2010]
    Its annyoing as hell, thinking about torching mine tbh at the moment and getting an s4 :)
    #9
  11. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Jun 7, 2010]
    I just have to rev the engine a bit when starting and it seems fine. Makes me look like a sodding chav though.
    #10
  12. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Jun 7, 2010]
    You are though, arnt ya westle? lmao :)
    #11
  13. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Jun 7, 2010]
    How dare you! :(
    #12
  14. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    Haha, im only messing matey.
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  15. S3 Paul
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    S3 Paul Well-Known Member Regional Rep

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    [Jun 7, 2010]
    Mine has a newish maf.
    What do you mean sportstractor? "smoke test"?
    #14
  16. Sandip
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    Sandip Well-Known Member

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    [Jun 7, 2010]
    Mines doing the same, quite bad after the car's been sat for a few hours. Sounds like a Subaru on start up for about 5 seconds. Starts fine once its hot though.

    Seems to struggle alot when the car is parked on an incline, it's starting to really piss me off:keule:
    #15
  17. voorhees
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    voorhees Moderator Staff Member Moderator

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  18. Sandip
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    Sandip Well-Known Member

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    [Jun 7, 2010]
    There's one thing people haven't tried, the N80 valve, maybe i should give that a bash, might even change the fpr too, it's sounds like a fuelling issue on start up:shrug:
    #17
  19. Sandip
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    Sandip Well-Known Member

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    [Jun 7, 2010]
    #18
  20. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Jun 7, 2010]
    Nope! You've hurt my feelings now. Bloody Northern Chav :beee:
    #19
  21. finesse
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    finesse Active Member VCDS Map User

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    [Jun 7, 2010]
    ............lol
    #20
  22. Sandip
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    Sandip Well-Known Member

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    [Jun 11, 2010]
    Just to let you people know, i fixed my starting issue. I spent lastnight looking for what the hell was wrong, tested everything. In the end i ended up checking around near the pcv system and hey presto!!!

    There are 3 outlets on the left hand side on the intake manifold, 1 on the side and 2 underneath. The culprit was 1 of the outlets underneath. The pipe that goes to the FPR was rubbing on the pcv rubber sleeve and it had managed to make a tiny hole in the pipe. Whipped the pipe off, changed it for some Forge vac line and job done, car starts fine!

    I also had a mess around with the FPR before i found this split hose and it ended up leaking so went the eurocarparts and picked up a 4bar fpr, put it in today and the cars running spot on:)
    #21
  23. badger5
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    badger5 www.badger5.co.uk Site Sponsor

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    [Jun 12, 2010]
    same as reported by tuffty some time ago in his build thread

    all the same **** happens to these cars
    #22
  24. sportstractor
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    sportstractor Chugger

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    [Jun 12, 2010]
    #23

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