GolfGTIforum.co.uk
Model specific boards => Golf mk3 => Topic started by: funkyfive on 09 June 2009, 19:15
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My 8v idles rough and hunts when i start her up and when she is at temperature, this seems to be getting worse and to add to this, i am getting issues when accelerating.
Checks so far.
Changed spark plugs
Changed dizzy cap
Changed rotar arm
Used redex
Changed lamba sensor
Changed fuel filter
Changed frount engine mount
Changed panel filter
No errors on vag.com
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clean your throttle body out with some carb cleaner and a tooth brush or something... and check your vacuum hoses on the throttle body, I'm in the process of replacing some hoses and gunna clean the throttle body, so i hope my issues are sorted aswell. (mine arnt tooooooooo bad tho) just want to keep on top of it really.
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clean your throttle body out with some carb cleaner and a tooth brush or something... and check your vacuum hoses on the throttle body, I'm in the process of replacing some hoses and gunna clean the throttle body, so i hope my issues are sorted aswell. (mine arnt tooooooooo bad tho) just want to keep on top of it really.
Let us know how it goes?
What model gti have you got?
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Sounds similar to the issues that I had, in the end I had to replace the AFM. Try disconnecting it to see if it makes a difference....
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Sounds similar to the issues that I had, in the end I had to replace the AFM. Try disconnecting it to see if it makes a difference....
Not to sound daft but what is a AFM?
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I think he means Air Flow Meter... if not then check that too!
mine had a similar problem, it turned out to be the water temp sensor.
goodluck.
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Can you clean the MAF, if so what do you use and are there any gaskets?
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AFM u mean hehe :grin:
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AFM u mean hehe :grin:
Yeah lol, have you cleaned yours?
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Mass Flow meter, Air Flow Meter, Mass Air Flow, Air Consumption Meter...etc etc etc. All correct names for the same thing.
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Common mk3 faults check list
http://www.golfgtiforum.co.uk/index.php?topic=101400.0
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Common mk3 faults check list
http://www.golfgtiforum.co.uk/index.php?topic=101400.0
Spot on thanks.
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:wink:
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More stuff that might come in handy on the same idling issues.
http://www.golfgtiforum.co.uk/index.php?topic=87734.msg720212#msg720212
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MAF and throttle bodies cleaned and still the issue is there.
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I've got a 8v gti mk3...
nah havent cleaned it yet, to be honest theres like loadsa things that can cause these types of problems, I have a slight problem but hope its just the throttle body needing a clean.
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I've got a 8v gti mk3...
nah havent cleaned it yet, to be honest theres like loadsa things that can cause these types of problems, I have a slight problem but hope its just the throttle body needing a clean.
Good luck! I am going to clean the oil breathers today and then i will check the relays.
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I had the same issues with my car 8v GTI and it turned out to be a small air leak on the inlet manifold gasket.
took it to 2 garages before they found the problem, i also had really bad mpg as when the engine was hot the lamba senser was flat lining and dumping extra fuel in to compensate. Got the garage to replace the inlet and exhaust gaskets and it cure it.
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MAF and throttle bodies cleaned and still the issue is there.
Had similar sounding problem on my 16v,turned out to be Relay for ECU!!!located on board below steering wheel and marked as 31 on mine & was 15 quid-hope its of some use
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MAF and throttle bodies cleaned and still the issue is there.
Had similar sounding problem on my 16v,turned out to be Relay for ECU!!!located on board below steering wheel and marked as 31 on mine & was 15 quid-hope its of some use
Cheers for the tip, i am looking into the relays at the moment.
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Even with the slight hunting my car is running at 92c @ 80Mph with 43mpg. Is that good?