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Author Topic: Help!! mk3 golf gti suddenly won't start?  (Read 5801 times)

Offline muzo26

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Help!! mk3 golf gti suddenly won't start?
« on: 02 January 2011, 16:24 »
I have a mk3 95 colour concept, it has been running lumpy for a while hesitant on 3000rpm and occasionaly firing on 3 cylinders? but i went out this morning and it won't start, the ignition seems fine because the engine turns over but not firing up. The petrol pump is not starting but no. 167 and no. 30 relay  has been replaced. the fuel pump has been tested and is working fine, getting vagcom on it tomorrow and hoping this will help me, I am at wits end with this and i don't know what to do next?
Any suggestions would be appreciated.    :angry: :angry: :angry:
It's had a new dizzy,leads and plugs and all sparking fine?
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Offline dom

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Re: Help!! mk3 golf gti suddenly won't start?
« Reply #1 on: 02 January 2011, 16:52 »
Immobiliser problem?
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Offline muzo26

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Re: Help!! mk3 golf gti suddenly won't start?
« Reply #2 on: 02 January 2011, 16:57 »
Yes i was thinking of that but the imobalizer lets me turn the engine over, and there is petrol going through the engine but it's just not firing up?
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Offline boneybradley

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Re: Help!! mk3 golf gti suddenly won't start?
« Reply #3 on: 02 January 2011, 18:05 »
the immobiliser would come in after a few seconds so i would discount that.

does it smell of fuel when it fails to start? (try a temp sensor)
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Offline dumbnut

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Re: Help!! mk3 golf gti suddenly won't start?
« Reply #4 on: 02 January 2011, 18:09 »
My money is on the Hall senor. or coil.
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Offline muzo26

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Re: Help!! mk3 golf gti suddenly won't start?
« Reply #5 on: 02 January 2011, 19:21 »
      I don't think it is the hall sensor as it doe'snt go into a limp mode, and i have good sparks coming from the plugs so i ruled out coil pack.
      I have noticed that the oil light flashes when i turn the ignition on and then it stops after a while could this have something to do with my problem?
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Offline muzo26

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Re: Help!! mk3 golf gti suddenly won't start?
« Reply #6 on: 03 January 2011, 11:05 »
   I tried the golf this morning on the of chance and it sounded like she wanted to start up, but only on 2 cylinders. Very strange because yesterday their was nothing just turning over? :undecided: :undecided:
   
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Offline sharki786

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Re: Help!! mk3 golf gti suddenly won't start?
« Reply #7 on: 03 January 2011, 12:57 »
coilpack!
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Offline muzo26

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Re: Help!! mk3 golf gti suddenly won't start?
« Reply #8 on: 03 January 2011, 14:46 »
   If i get a spark from every plug could it still be the coil?
 I have just read on hear that if your oil level is to low the engine won't start as a saftey issue?
 how true is this does anybody know? :undecided:
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Offline harlemex

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Re: Help!! mk3 golf gti suddenly won't start?
« Reply #9 on: 03 January 2011, 18:00 »
Although I dont know for sure, I think you could be on to something here. I have had issues starting from cold, it just wont fire up and at the same time the oil light is flashing. It would make sense, not to have the engine run until oil is up to pressure.
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