Big Bag of Bolts. Car running crap this morning, help needed <please>

[ANDY597]

8v digi 90spec gti

Freezing cold this morning, had to scrape the car, freezing fog.

The car started on the money, first turn of the key.

Driving to work however, was a total nightmare.   Power, then no power, power then no power.  It felt like it was totally misfiring, then firing properly again.

It actually stalled altogether approaching a couple of roundabouts and I had to dip the clutch and bump start it

Finally limped it to work,  but getting into the car parking space was a nightmare,  it was running like a big bag of bolts, cut out again when I was reversing to square it up. Ive never heard it run so rough.

It had a big service around about October, new silicon leads etc, and I replaced the blue temperature sender from GSF only a couple of weeks before Christmas.  In fact, if you were to look back in the forum you will see that I posted it as my Xmas pressie to the golf.

Any ideas, comments, advice are welcome. As the golf is my daily driver, I really could do with the help.

Cheers
A

[...joe]

no offence mate but it could be the leads.... in my experience stick with genuine, bosch or beru. seen alot of cars drive like sh!t with ''performance'' leads.

[takethefifth]

Plenty of antifreeze?

[rubjonny]

Have a look inside the dizzy cap for moister, and check the dizzy itself for oil leakage

[ANDY597]

Take on board the point about performance leads, but the car was running sweet as until this morning.
They are blue ignitors and they came with a lifetime guarantee.
Did about 140 miles in it at the weekend, through ice and snow and it never once missed a beat,  sharp as a tack.

Checked for moisture today, and bings of antifreeze fitted last month.

On the way home tonight it got a whole loads worse,   idleing really badly,  cutting out at every slowing down opportunity, had to bump start it back to life several times. Stopped at the garage to put petrol in it and it was just hunting from say 500 revs to about 1500.

The funny thing was though,  there is a short bit of bypass on the way home and it was fine at high revs.

The blue temp sender that I fitted was a GSF one, and I have this sneaking suspicion it might be that,  anybody else had a problem with gsf blue senders ?  Local stealership want £20 for one by the way.

Cheers
a

[rubjonny]

VW ones should be £11, make sure you get the blue one that says 'for models equipped with catalyst' as this is the right one although they'll try to tell you it isn't

Part number 025 906 041 A

[takethefifth]

I am waiting on a VW blue temp sender as my GSF one seems to have knacked after a whole 2 months of use........   Buy cheap buy twice as a yorkshire farmer once said to me!! 

[ANDY597]

Rubjonny,

Are they all the same ? mines a two pin.


TT5th.

How do you know that your GSF is knackered, if you dont mind me asking,   dont want to spend the money unless I have too.

Cheers
Andy

[takethefifth]

There is a resistance graph in the Bentley manual that shows the resistance against temperature of a working sensor so i stuck my multimeter on it. At zero mine was supposed to be somewhere between 6500 and 8000 ohms. Mine was showing 96000 ohms! It wasn't that cold i promise!

And for some reason VW want £17 for my sensor rather than £11.... might have to check on that!

[ANDY597]

What was the running symptoms of your car ?