Author Topic: Bought my first mk4 golf  (Read 53866 times)

Offline paradisiac82

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Re: Bought my first mk4 golf
« Reply #140 on: 23 April 2016, 16:48 »
Floats in tank. Should be on the lift pump. 4 torques hold it in place.
Once you have the lift pump out youll see it. Might be the wire in there

Yeh they have removed the pump under the back seat and they said they didnt notice it, but I will get them to double check during the week. Is it the big plug that goes into the fuel pump under the seat that might be the issue? if so is there any way of testing for a short?

Offline lemski

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Re: Bought my first mk4 golf
« Reply #141 on: 23 April 2016, 17:23 »
I think its canbus so cant do it with a multimetre.
Could be the actuall wiring inside the pump, where the sender shoild be. If you didnt have a sender am sure the guage will always read empty.
Of full dependent on how it works

Offline paradisiac82

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Re: Bought my first mk4 golf
« Reply #142 on: 23 April 2016, 17:40 »
I think its canbus so cant do it with a multimetre.
Could be the actuall wiring inside the pump, where the sender shoild be. If you didnt have a sender am sure the guage will always read empty.
Of full dependent on how it works

ok will see if they can have a look at it again, see whats going on, is really annoying though as electrical issues can be a nightmare to find.

Do you know what the other fault code means?

Offline lemski

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Re: Bought my first mk4 golf
« Reply #143 on: 23 April 2016, 20:28 »
Sometimes it cant communicate with the ecm.
Couldnt tell you where to start there. Mayne the the earths around the body. Especially those near the battery

Offline paradisiac82

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Re: Bought my first mk4 golf
« Reply #144 on: 23 April 2016, 21:22 »
Sometimes it cant communicate with the ecm.
Couldnt tell you where to start there. Mayne the the earths around the body. Especially those near the battery

Have reset the codes, will take it for a run tomorrow and do a full autoscan thing and see what it throws up this time, never had those 2 before, even though I have always had the fuel gauge issue, I'm thinking maybe someone at the garage(s) maybe flicked the ignition on with the fuel pump unplugged and it stored the code.

Offline lemski

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Re: Bought my first mk4 golf
« Reply #145 on: 23 April 2016, 21:52 »
Possible mate

Offline paradisiac82

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Re: Bought my first mk4 golf
« Reply #146 on: 24 April 2016, 10:18 »
When doing the autoscan on VCDS the engine should be running right? Not just ignition on, and obviously not whilst driving, but to get all the information the engine should be running, I was told be a friend that it should be run with just the ignition on but this doesn't sound right.

Offline Rhyso

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Re: Bought my first mk4 golf
« Reply #147 on: 24 April 2016, 11:02 »
Scan for fault codes - ignition on; engine off

Live logs - ignition on , engine running, driving (ideally using a passenger to hold the laptop)

Offline lemski

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Re: Bought my first mk4 golf
« Reply #148 on: 24 April 2016, 11:51 »
As above. Faults ign on. Live data running and driving.

Offline paradisiac82

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Re: Bought my first mk4 golf
« Reply #149 on: 24 April 2016, 11:59 »
ok, just remember when I used to have vectra's a few years back I would get speed sensor errors and some others due to low voltage and such if the engine wasn't running.

what does the 'Central Control Module for Central Convenience' do?