Golf Startup Issues

Akmeeda · 2 Jul 2014 at 19:37

Hi guys,

I bought a VW Golf 1.4 TSI 122 a few weeks ago from Evans Halshaw. I've been having some issues on cold start ups.

Basically, the car shakes a little and revs higher than usual for 20-30 seconds. Now if I apply gas and rev the engine whilst this is happening then the car doesn't sound good at all. The noise can be heard in the video and it sounds like it's coming from underneath the car.

The water pump was already changed under warranty and I don't think it's the timing chain. Evans Halshaw say there isn't anything wrong with the car and they are unable to recreate the problem in the garage. I was thinking of taking it to an independent garage to see what they can find, but was wondering if anyone here had any ideas as to what this could be.

http://youtu.be/SKOGEu80jaY

thepharcyde · 2 Jul 2014 at 19:40

sounds like a broken CAT or stone(s) in one of the manifold(s)

https://www.youtube.com/watch?v=YE_5hcJa2sY

Akmeeda · 2 Jul 2014 at 19:51

Hmmm....the thing is though that this problem only occurs on first start. So if I switch the ignition off and start the engine again it starts normal, no noise, shaking or anything.

In the video you can see that at the end it stops making that noise.

thepharcyde · 2 Jul 2014 at 19:54

that would be as the exhaust has warmed up sufficiently. Get under it when it's cold and give the CAT a slight bang with a hammer

Akmeeda · 2 Jul 2014 at 19:58

thepharcyde said:
that would be as the exhaust has warmed up sufficiently. Get under it when it's cold and give the CAT a slight bang with a hammer

Okay cool I will try that.

Could it be that there is something wrong with the actual engine that is putting more stress on the CAT? Trying to think of what could be causing the shaking as well.

Akmeeda · 7 Jul 2014 at 23:38

So I got the car checked out by a VW specialist and the mechanic couldn't find anything wrong with it. No fault codes showed up, nothing. He recommended an oil and filter change, but still having this issue on cold start up.

andy_mk3 · 7 Jul 2014 at 23:43

Akmeeda said:
So I got the car checked out by a VW specialist and the mechanic couldn't find anything wrong with it. No fault codes showed up, nothing. He recommended an oil and filter change, but still having this issue on cold start up.

Oil and filter change.. what the...?!!? Sure it wasn't a salesman that looked it it?!

No codes so nothing wrong with it obviously :rolleyes:

muon · 7 Jul 2014 at 23:54

Akmeeda said:
So I got the car checked out by a VW specialist and the mechanic couldn't find anything wrong with it. No fault codes showed up, nothing. He recommended an oil and filter change, but still having this issue on cold start up.

lol

Why does he recommend an oil and filter change.

Akmeeda · 8 Jul 2014 at 01:17

muon said:
lol

Why does he recommend an oil and filter change.

EH had serviced it with the wrong oil.

And I've had two garages have a look at it now and neither can find a fault.

Threepwood · 8 Jul 2014 at 01:43

Cant you park it at a mechanics, go run around the block, then start it from cold to totally recreate the cold start?

Akmeeda · 8 Jul 2014 at 01:48

Threepwood said:
Cant you park it at a mechanics, go run around the block, then start it from cold to totally recreate the cold start?

Nope. It only happens if it's left for a few hours and sometimes it doesn't happen at all.

troops · 8 Jul 2014 at 02:12

Defo sounds exhaust related.

Rexxar · 8 Jul 2014 at 07:13

Downpipe?

Slack timing chain?

Akmeeda · 8 Jul 2014 at 08:21

Squidger said:
Downpipe?

Slack timing chain?

I don't think it's timing chain as that's more of a rattling noise. I've watched some videos of slack timing chains and it doesn't sound like that at all.

When I first took my car to have the water pump looked at, mechanic said he'll run some tests on the car, and I'm pretty certain that this issue started after this. Water pump was of course replaced though.

Matt-Page · 8 Jul 2014 at 09:03

Sounds like a broken cat to me.

Do another video but put the camera under the car, towards the front.