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Author Topic: MK 4 Golf Engine revving  (Read 1410 times)

Offline mark munro

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MK 4 Golf Engine revving
« on: September 13, 2012, 01:56:37 pm »
Hi,

My golf is revving to 1500rpm itself when i take the foot off the accelerator, every so often. Any ideas what is wrong? Its a 1999 mark 4 GTI.

Mark
« Last Edit: September 13, 2012, 03:09:51 pm by mark munro »
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Offline nezquick

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Re: MK 5 Golf Engine revving
« Reply #1 on: September 13, 2012, 02:39:49 pm »
Dirty maf? throttle body getting stuck?
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Offline mark munro

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Re: MK 5 Golf Engine revving
« Reply #2 on: September 13, 2012, 02:41:54 pm »
Not the throttle cable. MAF?
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Offline gigolo456

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Re: MK 5 Golf Engine revving
« Reply #3 on: September 13, 2012, 02:49:30 pm »
Hi Mark, forgive me, but a Mk V Golf GTi from 1999, are you sure?? If the rev's are going up by themselves, i'd suggest a PCV valve problem... :confused:
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Offline mark munro

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Re: MK 4 Golf Engine revving
« Reply #4 on: September 13, 2012, 03:10:37 pm »
Yeah cheers Mark 4
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Offline mark munro

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Re: MK 4 Golf Engine revving
« Reply #5 on: September 13, 2012, 03:12:04 pm »
What is a PCV valve if you dont mind me asking.
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Offline gigolo456

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Re: MK 4 Golf Engine revving
« Reply #6 on: September 13, 2012, 03:49:16 pm »
to be honest mate, not even sure what it's actually for, but if you do a search on here, you'll find a whole host of information about it. As yours is a Mk IV, it might be another problem, somebody here might be able to give you more help on this than me though...!!??  :confused:
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Offline gazon69

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Re: MK 5 Golf Engine revving
« Reply #7 on: September 13, 2012, 04:02:58 pm »
Quote from: gigolo456 on September 13, 2012, 02:49:30 pm
Hi Mark, forgive me, but a Mk V Golf GTi from 1999, are you sure?? If the rev's are going up by themselves, i'd suggest a PCV valve problem... :confused:
Mk 4s dont have the pcv same as the mk5, as said could be throttle body sticking, maf, diverter valve,  you could do with scanning for fault codes.
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Offline samdem

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Re: MK 4 Golf Engine revving
« Reply #8 on: September 13, 2012, 04:56:16 pm »
i had this on my old mk4 1999 1.6.. i changed the MAF and cleaned the throttle body out and it was fine.

go over to uk-mkivs forum this problem pops up a lot and theres a lot of great writes ups  about it if you search.
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