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Author Topic: Power loss UPDATE FIXED  (Read 6902 times)

Offline Aas

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Power loss UPDATE FIXED
« on: May 12, 2012, 08:37:12 pm »
Hi I'm new to the forum but have been reading it for a while.

Lately I have been suffering some powerloss mainly when on the motorway in 6th at about 3.5k the power just cuts and the accelerator has no response, if this happens a couple of time it goes into a limp mode and does it in all gears.

I done a bit of researching on this forum and decided to change my fuel filter, spark plugs and diverter valve. I done this today and the diverter valve was split so I replaced it with a revision D one and the spark plugs were a bit manky too.





After this I took it for another drive and it felt like a different car so much more power and smoother. But  on the motorway the same thing still happens it goes into some sort of limp mode.

I got it scanned on vagcom and it cam up with only one fault. 000135  fuel rail/ system pressure too low.

I can see from the search function a couple of people have had the same problem but in both the threads neither seem to have posted that they resolved it.

Anybody have any ideas?? I was thinking of looking at the cam follower as its a 55 plate on 100k

Cheers

Paul
« Last Edit: June 01, 2012, 08:16:04 pm by Aas »
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Offline bacillus

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Re: Power loss
« Reply #1 on: May 12, 2012, 09:09:41 pm »
http://wiki.ross-tech.com/wiki/index.php/16471/P0087/000135

Yes definitely look at the cam follower.
I would further suggest that before you tinker, do some live logging of your requested and actual fuel rail pressure with vcds.
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Offline edd666999

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Re: Power loss
« Reply #2 on: May 12, 2012, 09:11:24 pm »
is your car standard?
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Offline Aas

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Re: Power loss
« Reply #3 on: May 12, 2012, 09:40:39 pm »
Yes car is completely standard.
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Offline Aas

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Re: Power loss
« Reply #4 on: May 13, 2012, 10:45:22 am »
What other sensors are there on the fuel system.

What's the price of the cam follower?

Cheers

Paul
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Offline GrayMK5GTI

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Re: Power loss
« Reply #5 on: May 13, 2012, 02:57:53 pm »
If your getting that fault, chances are that your cam follower has failed  :sad1:

That will probably mean a new camshaft too. . .  :surprised:
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Offline Aas

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Re: Power loss
« Reply #6 on: May 13, 2012, 04:11:13 pm »
I hope not as it still runs fine unless your in 6th when it does it, I think it's sensor related because it's intermit ant, there's a low pressure sensor on the fuel pump isn't there, I also heard mention of a fuel pressure switch.

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Offline Aas

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Re: Power loss UPDATE FIXED
« Reply #7 on: June 01, 2012, 08:22:41 pm »
Well the car has slowly gotten worse and going into limp mode more, then on weds night the engine management light came on and stayed on!

So I went and got a new cam follower today and changed it and I think i have caught it just in time :surprised:







I also changed the seal on the fuel pump just to be safe too, what a rip off that is! £10 for a bloody O ring,

I can't feel any wear to the cam lobe Either luckily  :happy2:

On the test drive after the engine light went straight out and the car is driving faultless now  :laugh: soo much quicker now than when we 1st got it  :jumpmove:

Cheers

Paul

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Offline Thor

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Re: Power loss UPDATE FIXED
« Reply #8 on: June 01, 2012, 08:59:22 pm »
Good to see you got it sorted. :happy2:  nice systematic approach to eliminating potential causes.
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Offline Tfsi_Mike

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Re: Power loss UPDATE FIXED
« Reply #9 on: June 01, 2012, 09:00:57 pm »

Wow just caught the cam follower in time.  :smiley:
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Offline Aas

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Re: Power loss UPDATE FIXED
« Reply #10 on: June 01, 2012, 09:04:42 pm »
Yeah glad it's sorted and I sorted via info from this forum :happy2:

Yep think looking at it it's the original it's done  101k  :confused:
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Offline martziniuk

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Re: Power loss UPDATE FIXED
« Reply #11 on: June 01, 2012, 09:45:37 pm »
Is that the AXX engine code?
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Offline PDT

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Re: Power loss UPDATE FIXED
« Reply #12 on: June 01, 2012, 09:55:08 pm »
That cam follower  :surprised:
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Offline Aas

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Re: Power loss UPDATE FIXED
« Reply #13 on: June 01, 2012, 09:56:35 pm »
I don't know what the engine code is to be honest it's an 55 plate if that helps with two metal fuel lines on the fuel pump.
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Offline bacillus

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Re: Power loss UPDATE FIXED
« Reply #14 on: June 01, 2012, 10:39:34 pm »
A 55 plate should be an AXX engine...
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