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Author Topic: One months ownership and first major issue :-\  (Read 2105 times)

Offline mk4gti-t

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One months ownership and first major issue :-\
« on: June 03, 2013, 09:46:49 pm »
On my way home from work today my gti seems to have developed a fault. It's now not firing on all cylinders and when scanned showed the error message ' 00768 Rear Heater Core Temp Sensor (G154)'  any ideas? Looking on Google it would seem to be coil pack problem but one guy had this and it was a melted piston! Its under warranty but would it be safe to drive back the 20 miles to the garage i got it from?
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Offline edd666999

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Re: One months ownership and first major issue :-\
« Reply #1 on: June 04, 2013, 07:33:37 am »
What did you use to scan it? That's not a regular vcds fault code, they usually start with "p"

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Offline mk4gti-t

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Re: One months ownership and first major issue :-\
« Reply #2 on: June 04, 2013, 07:35:42 am »
Ive just got a cheap e-bay scanner.
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Offline mk4gti-t

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Re: One months ownership and first major issue :-\
« Reply #3 on: June 04, 2013, 09:41:42 pm »
Evening bump. Anybody?
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Offline edd666999

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Re: One months ownership and first major issue :-\
« Reply #4 on: June 04, 2013, 09:58:08 pm »
You need to scan with vcds, that code prob doesn't even point to the issue. Where are you in the uk?
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Offline mk4gti-t

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Re: One months ownership and first major issue :-\
« Reply #5 on: June 04, 2013, 10:36:05 pm »
West mids, Bromsgrove mate.
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Offline mk4gti-t

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Re: One months ownership and first major issue :-\
« Reply #6 on: June 04, 2013, 10:45:51 pm »
It's still under warranty and the dealer has said if I take it to them they'll sort it out but I'm a bit concerned about driving it the 20 miles in its current state...
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Offline mk4gti-t

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Re: One months ownership and first major issue :-\
« Reply #7 on: June 05, 2013, 09:25:01 pm »
Well ive had a bit of a look myself before taking it back to the dealer and swapped coils 1 and 4 but no change. I unplugged the maf and the engine note didnt alter at all. Could this be the problem? Would a knackered maf make the engine feel like it was running on 3 cylinders? So i put it all back together and thought ill try it once more and hey presto it ran much better??? Took it out for a run and it felt alot better but had very poor mpg - 16.5 to be exact. Any ideas???
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Offline vrod

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Re: One months ownership and first major issue :-\
« Reply #8 on: June 06, 2013, 02:24:53 pm »
Ask somebody to transport the vehicle to the dealer if you dont feel like driving there. Would def. be my choice..
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Offline MAT ED30

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Re: One months ownership and first major issue :-\
« Reply #9 on: June 06, 2013, 03:45:01 pm »
pull the plugs out and check em
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Mods yes but way too many to stick in this little box

Offline mk4gti-t

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Re: One months ownership and first major issue :-\
« Reply #10 on: June 06, 2013, 09:10:40 pm »
All seems ok now - may have just been a loose connection afterall. The dealer gave me a brand new coil pack under warranty to keep just incase of any future issues. Good service once again from V-Hub Tewkesbury  :happy2:
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