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Model specific boards => Golf mk4 => Topic started by: Wurzel on 09 June 2010, 13:27

Title: help - engine sounding really rough
Post by: Wurzel on 09 June 2010, 13:27
Started the car today and it sounds really rough, can feel it too, opened the bonnet and the engine is noticeably wobbling around. Could it be the timing belt has slipped or something?
Title: Re: help - engine sounding really rough
Post by: 2001gti4 on 09 June 2010, 13:38
Get it hooked up to a code reader and see if anything shows up there.
Title: Re: help - engine sounding really rough
Post by: Wurzel on 09 June 2010, 13:45
Where do I find a code reader?
Title: Re: help - engine sounding really rough
Post by: 2001gti4 on 09 June 2010, 15:26
I just bought this one:
http://cgi.ebay.co.uk/VW-AUDI-Diagnostic-Fault-Code-Scanner-VAG-OBD2-U280-UK-/140406879729?cmd=ViewItem&pt=UK_Diagnostic_Tools_Equipment&hash=item20b0e6f5f1 (http://cgi.ebay.co.uk/VW-AUDI-Diagnostic-Fault-Code-Scanner-VAG-OBD2-U280-UK-/140406879729?cmd=ViewItem&pt=UK_Diagnostic_Tools_Equipment&hash=item20b0e6f5f1)
Twenty quid well spent, unless you want to pay your friendly VW dealer over the odds each time you get them to do it for you  :smiley:
Title: Re: help - engine sounding really rough
Post by: Wurzel on 09 June 2010, 17:03
ok so when I get the codes I post them here and someone can tell me what they mean?
Title: Re: help - engine sounding really rough
Post by: 2001gti4 on 09 June 2010, 17:10
The manual that comes with gives a short description of each code or you could search here for the code or Google it on Ross Tech.
Title: Re: help - engine sounding really rough
Post by: richw911 on 09 June 2010, 17:27
Maf or coil pack as said need to get is scanned for codes  :smiley:
Title: Re: help - engine sounding really rough
Post by: Wurzel on 09 June 2010, 17:35
Maf or coil pack as said need to get is scanned for codes  :smiley:

Would either of those be costly?

I tried driving it again just now and it is less bad but still noticeable.
Title: Re: help - engine sounding really rough
Post by: Wurzel on 09 June 2010, 18:08
ok I've just bought one of those code reader things on ebay...
Title: Re: help - engine sounding really rough
Post by: richw911 on 09 June 2010, 19:40
Maf or coil pack as said need to get is scanned for codes  :smiley:

Would either of those be costly?

I tried driving it again just now and it is less bad but still noticeable.

Not really  :smiley: Easy to sort too.

ok I've just bought one of those code reader things on ebay...

When you get it post the codes up here  :smiley:
Title: Re: help - engine sounding really rough
Post by: Wayne on 09 June 2010, 19:59
As Rich said, I would guess a coil pack issue.
Title: Re: help - engine sounding really rough
Post by: ade_aidy_ady on 09 June 2010, 21:56
same problem with me...let me know what the outcome is !

maf or coilpack i think............ will do some logs on maf later with vagcom to check it out....
Title: Re: help - engine sounding really rough
Post by: Wurzel on 10 June 2010, 00:00
Where is the best place to get a replacement maf or coilpack if that's what the problem is?
Title: Re: help - engine sounding really rough
Post by: sicupra on 10 June 2010, 00:23
local motor factor. Poss flea bay but its better to spend that bit extra and get Genuine parts.
Title: Re: help - engine sounding really rough
Post by: northeast_gti-t on 10 June 2010, 01:24
Where is the best place to get a replacement maf or coilpack if that's what the problem is?
either a vw dealer or tps get oem vw parts may pay a little more but there the best parts to fit  :wink:
Title: Re: help - engine sounding really rough
Post by: Stronz on 10 June 2010, 09:33
Where is the best place to get a replacement maf or coilpack if that's what the problem is?
either a vw dealer or tps get oem vw parts may pay a little more but there the best parts to fit  :wink:

+1

I always think it is best to replace all the coil packs at once too - again, makes it a bit pricier, but will  help eradicate any weak spots for the future.
Title: Re: help - engine sounding really rough
Post by: darren1.8t on 10 June 2010, 09:43
deff sounds like coil pack m8  :wink:
Title: Re: help - engine sounding really rough
Post by: Wurzel on 11 June 2010, 11:01
Code reader arrived this morning, here's the results:

1) Engine - No Codes, although it does flash something very quickly before saying no codes, cant read it's too fast

2) A/T - keeps saying "Link Error" with this one for some reason, quite annoying.

3) SRS - Code: 00532 01/01

4) ABS - No Codes


The booklet says the SRS code means: Transmission control module relay-supply voltage (B+) malfunction low battery or bad ground

Supply Voltage (B+)


So is that saying there's a battery problem? That wont be what's causing the engine problem will it?
Title: Re: help - engine sounding really rough
Post by: Stronz on 11 June 2010, 11:04
http://wiki.ross-tech.com/wiki/index.php/00532

Title: Re: help - engine sounding really rough
Post by: Wurzel on 11 June 2010, 11:07
Hmm, pain in the ass if it's a wiring thing I'm not good with wiring.
Title: Re: help - engine sounding really rough
Post by: Hulmie on 11 June 2010, 11:23
If a sensor fails it will give a reading similar to what you have
i.e low voltage, bad ground etc
Title: Re: help - engine sounding really rough
Post by: Wurzel on 11 June 2010, 11:38
If a sensor fails it will give a reading similar to what you have
i.e low voltage, bad ground etc


What kind of sensor?
Title: Re: help - engine sounding really rough
Post by: Hulmie on 11 June 2010, 12:24
could be any sensor or even coilpack. Low voltage means the unit is failing. You need a code to pin point what is failing.


Title: Re: help - engine sounding really rough
Post by: Wurzel on 11 June 2010, 12:31
But that's the only code I'm getting.
Title: Re: help - engine sounding really rough
Post by: Hulmie on 11 June 2010, 13:31
have you tried swapping the coilpacks around and listening closely to see if you notice which is maybe not firing?
Title: Re: help - engine sounding really rough
Post by: Wurzel on 11 June 2010, 14:08
have you tried swapping the coilpacks around and listening closely to see if you notice which is maybe not firing?

Not yet I'll have to dig my Haynes manual out first. I called a local motor factor and asked how much a coil pack would be and they said £64 plus VAT. Might have to risk getting a second hand one on ebay...

Does the non-turbo 1.8 take the same coilpacks as the turbo?
Title: Re: help - engine sounding really rough
Post by: 2001gti4 on 11 June 2010, 14:14
have you tried swapping the coilpacks around and listening closely to see if you notice which is maybe not firing?

Not yet I'll have to dig my Haynes manual out first. I called a local motor factor and asked how much a coil pack would be and they said £64 plus VAT. Might have to risk getting a second hand one on ebay...

Does the non-turbo 1.8 take the same coilpacks as the turbo?

Try your local VW dealer, they should be chaeaper than that....
Title: Re: help - engine sounding really rough
Post by: Stronz on 11 June 2010, 14:33
I really wouldn't get a second hand one. In the long run it could end up costing you more when / if that fails
Title: Re: help - engine sounding really rough
Post by: Wurzel on 11 June 2010, 14:47
I really wouldn't get a second hand one. In the long run it could end up costing you more when / if that fails

True, but I'm going to sell it.
Title: Re: help - engine sounding really rough
Post by: adam 180t on 11 June 2010, 15:02
i got a coil pack from panks electrical about 20 quid
Title: Re: help - engine sounding really rough
Post by: Wurzel on 11 June 2010, 15:22
Dealer said £106 total. not sure now whether he mean including VAT, or for all 4...
Title: Re: help - engine sounding really rough
Post by: Wurzel on 11 June 2010, 15:26
Something tells me I need to sort out the wiring issue before I get to the bottom of the engine trouble.
Title: Re: help - engine sounding really rough
Post by: Wurzel on 11 June 2010, 17:59
So nobody knows what the wiring prob could be?
Title: Re: help - engine sounding really rough
Post by: Wurzel on 13 June 2010, 12:49
I've just looked under the bonnet, got the engine cover off and it doesnt look like my engine has coil packs like the 1.8T Mine is a non-turbo AGN