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Author Topic: Stalling issue - FIXED, YEAY!!!!  (Read 35276 times)

Offline barratt

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Re: Fault Codes ? (stalling)
« Reply #15 on: May 31, 2011, 05:46:57 pm »
I had very similar issues on my TDI (so no idea if any of this relates). I would drive and if I went round corners or lifted off after a bit of speed it would stall with no noise or indication. Needles just went down to stock position etc and had the red battery on also. Although it would take me 10 minutes to get started back up again.

Turned out to be the fuse that does the lift pump, honestly can't remember what no. it was but I could probably dig around the fuse diagrams again.

One thing is that I had no fault codes :(
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Offline Boothy

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Re: Fault Codes ? (stalling)
« Reply #16 on: May 31, 2011, 05:55:19 pm »
Quote from: barratt on May 31, 2011, 05:46:57 pm
I had very similar issues on my TDI (so no idea if any of this relates). I would drive and if I went round corners or lifted off after a bit of speed it would stall with no noise or indication. Needles just went down to stock position etc and had the red battery on also. Although it would take me 10 minutes to get started back up again.

Turned out to be the fuse that does the lift pump, honestly can't remember what no. it was but I could probably dig around the fuse diagrams again.

One thing is that I had no fault codes :(

Had the fuse totally blown then?
« Last Edit: May 31, 2011, 06:01:39 pm by Boothy »
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Offline barratt

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Re: Fault Codes ? (stalling)
« Reply #17 on: May 31, 2011, 06:50:57 pm »
Well the fun part is I actually had it missing. It was also for the MAF sensor so i had all sorts of stuff happening. But after putting one in, i regained MAF and lift pump.

Some numpty also had the two lines on the lift pump the wrong way round ;/
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Offline stealthwolf

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Re: Fault Codes ? (stalling)
« Reply #18 on: May 31, 2011, 09:00:38 pm »
I got the P310B error once too but it was with the P129F error too.

Turned out to be the low pressure fuel sensor, which was replaced under warranty at the time.
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Offline Boothy

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Re: Fault Codes ? (stalling)
« Reply #19 on: May 31, 2011, 09:19:42 pm »
I just don't get why they have got to strip the rocker cover down and examine the cams until all the other, simple things have been checked like the sensors etc. It just seems like they have seen the fault codes and have decided that it is the most expensive option thats at fault?
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Offline PDT

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Re: Fault Codes ? (stalling)
« Reply #20 on: May 31, 2011, 09:24:21 pm »
Sounds a lot like fuel pressure sensor.

I would take it elsewhere, £220 to check something that takes less than 30 mins is scandalous. No need to remove rocker cover, just the hpfp. 
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Saint Steve

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Re: Fault Codes ? (stalling)
« Reply #21 on: May 31, 2011, 09:25:50 pm »
Removing the rocker box is less then 10 mins work .

Sometimes a visual check will give good indications, rather then looking a electrical fault codes only.

Also gives them a better idea of the real condition of your engine aswell.
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Offline Boothy

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Re: Fault Codes ? (stalling)
« Reply #22 on: May 31, 2011, 09:33:47 pm »
Quote from: PDT on May 31, 2011, 09:24:21 pm
Sounds a lot like fuel pressure sensor.

I would take it elsewhere, £220 to check something that takes less than 30 mins is scandalous. No need to remove rocker cover, just the hpfp. 

If the cam follower is worn, which i think is what the technician was trying to say, could it cause the same issues? It has got progressively worst but it still pulls like a train  at high revs? Surely if the cam is fooked then it would be running like a bag of sh*t?
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Offline Boothy

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Re: Fault Codes ? (stalling)
« Reply #23 on: May 31, 2011, 09:36:14 pm »
Quote from: Saint Steve on May 31, 2011, 09:25:50 pm
Removing the rocker box is less then 10 mins work .

Sometimes a visual check will give good indications, rather then looking a electrical fault codes only.

Also gives them a better idea of the real condition of your engine aswell.
.
I understands the need for a visual inspection but 3hrs labour for reading the fault codes and removing the HPFP and rocker cover seems a bit ridiculous to me. If I was confident it would get somewhere else I would take it to my local VW specialist but I just ain't sure it will and I don't want to cause any more damage.
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Offline Boothy

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Re: Fault Codes ? (stalling)
« Reply #24 on: June 10, 2011, 04:40:05 pm »
Well I picked up the motor today from VW in Huddersfield today after they repaired the rust on the wings and the boot. It was raining on collection but first impressions are that they have done a superb job.

However the fault is still not diagnosed and it has become ridiculously bad to drive. At idle it stalls within 5 seconds everytime you dip the clutch or sit in neutral and I mean EVERYTIME  :confused:.
 At high revs its still smooth but anything below 3000 rpm its constantly loosing all throttle response and power. I have got th tools to change the cam follower and the fuel filter but I doubt they will fix the issue. Did anyone else suffer from constant stalling when the HPFP failed or any other parts associated with the fueling system. I just can't think what could be causing it really.
 I know it needs to go to the garage, which it will but only once I have checked the cam follower. Seems unlikely that it would run better at high revs than low if the cam was worn though?
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Offline Boothy

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Re: Fault Codes ? (stalling)
« Reply #25 on: June 13, 2011, 06:11:27 pm »
Changed the cam follower and fuel filter today and it hasn't solved the issue of stalling all the time. In all honesty thought the cam follower seemed it ok condition to be honest. It shows some sign of wear as you would expect from two pieces of metal contacting each other but it looks far from fooked if you ask me:



The surface is still intact and flush, not concave like the really worn ones I've seen on the web. It basically looks like the brand new one but with a little silver patch it the middle. Even so i decided to put the new one it whilst it was apart.
 I'm happy in a way as it means that the camshaft shouldn't be worn either so that won't need to be replaced. Hopefully the most expensive part now would be the HPFP and I can cope with that.
« Last Edit: June 13, 2011, 06:13:59 pm by Boothy »
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Offline alexperkins

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Re: Replaced the cam follower - still stalling!
« Reply #26 on: June 13, 2011, 06:22:56 pm »
The DLC on it has worn off so it would wear alot faster now - good idea to replace it.
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Offline Tfsi_Mike

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Re: Replaced the cam follower - still stalling!
« Reply #27 on: June 13, 2011, 06:26:19 pm »

TFSIs eh, whod have one  :fighting:
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Offline Boothy

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Re: Replaced the cam follower - still stalling!
« Reply #28 on: June 13, 2011, 06:50:49 pm »
Quote from: Tfsi_Mike on June 13, 2011, 06:26:19 pm

TFSIs eh, whod have one  :fighting:

Tell me about it! German engineering.......with sh*te parts!
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Offline Boothy

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Re: Stalling issue - FIXED, YEAY!!!!
« Reply #29 on: June 17, 2011, 11:47:51 am »
I want to start this update by saying VW dealers are just plain money grabbers. When I took my car to them they wanted £300 in diagnosis costs alone! They believed the camfollower, camshaft and HPFP were all knackered after looking at the two fault codes the system showed.

Because of this I had the car towed to a a local VW specialist for a second opinion and thank god I did as it has saved me a lot of money.

He checked various bits and bobs and then did some research into the fault codes that resulted in coming across further information relating to a faulty low fuel pressure sensor. He ordered it and then removed the old one for inspection before fitting it. The old one was in a bit of a state to be honest too. Really covered in gunk and dirty when it should have been clean. I also noticed that the fuel that came out of the fuel filter when I replaced it was extremely dirty but the fuel from the inlet lines was clean.
 Because of this we decided to replace the sensor and instantly fixed the stalling issue which was very good news however the proof would be in the driving as that it where the problem had first become apparent.
 So I set off and initially everything was fine so I gave it some beans. Straight away then the car began to do the same thing but less noticeably however when at idle it was all over the place. Burbling and then nearly stalling and then just revving up to about 2k and then back again? My heart sank but then I realized that I had had a similar issue when I had an air leak on another car. Got home, removed the engine cover and discovered one of the air lines to the PCV had come off completely! I know it was on when I replaced the camfollower so not sure how its come off but as soon as put it back it was smoother than a babies arse! I've secured it with new clip too so hopefully won't happen again.

So. The price at VW to diagnose the issue - £300.00. The price to fix the issue at the specialists - £60.00. The smile on my face - priceless!

 
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