It is currently Mon Apr 22, 2019 3:56 am




Post new topic Reply to topic  [ 9 posts ] 
1.8VVC 
Author Message
Part built GTM

Joined: Tue Jun 03, 2014 7:34 pm
Posts: 71
Location: Tonbridge Kent
GTM: Spyder
Post 1.8VVC
Just back from having done the London to Brighton run and the car started to not want to tick over but rather cut out. Always started with a flick of the key but a right royal pain. The car behaved impeccably until the second leg and about 65 miles into the day. Runs like a dream but doesn't want to idle and what with the traffic into Brighton today it made for careful throttle control through a whole mass of traffic.Always runs fine on shorter journeys and has only recently started this new phenomenen. I have checked the coolant level as I believe that the idle may be controlled off the back of the coolant system. Hoses all look ok and then again they will as the car runs fine until it gets hot. Engine temperature stays rock solid as it should with the new Passat radiator etc. A bit bemused as I cannot find anything obvious.

Any bright ideas out there please?


Sun Jun 05, 2016 5:37 pm
Profile E-mail
Part built GTM

Joined: Sat Mar 12, 2016 7:05 pm
Posts: 137
Post Re: 1.8VVC
First thought would be head gasket but if it runs ok cold and not lost any power or coolant will not be that. Could be throttle pot as water temp sensor will give cold fuel enrichment but this drops back as it reaches temperature. Check resistance of water temp sensor and air inlet temp sensor. Not sure if these engines have a mass airflow meter but usually run like a bears bottom if not working
Ian


Sun Jun 05, 2016 7:00 pm
Profile E-mail
On the Road
User avatar

Joined: Sun Oct 19, 2014 10:10 pm
Posts: 781
Location: Bristol
GTM: Spyder
Post Re: 1.8VVC
A couple of other things to check, HT leads - the ones that were on my VVC engine were shot (assuming you are the 143 with the coil packs on the block rather than the later mems3.0 with the coils on the cam cover)
Is the exhaust sooty? if so could be the lambda. These do go too. When mine went it still ran okay but very rich and lots of sooting up could give a misfire/poor idle.


Sun Jun 05, 2016 9:01 pm
Profile E-mail
Part built GTM

Joined: Tue Jun 03, 2014 7:34 pm
Posts: 71
Location: Tonbridge Kent
GTM: Spyder
Post Re: 1.8VVC
Engine had a full top end rebuild last year so know that is right and dandy. Will have a look at your suggestion. Runs like a dream with rock steady temperature and then suddenly starts the dreaded cutting out in traffic. Turn it off and have a quick lunch and start again - all back fine again.


Sun Jun 05, 2016 9:05 pm
Profile E-mail
Part built GTM

Joined: Tue Jun 03, 2014 7:34 pm
Posts: 71
Location: Tonbridge Kent
GTM: Spyder
Post Re: 1.8VVC
Thanks I will,replace the HT leads and the sensor amd see how that goes too.

Grateful for all the sound advice


Sun Jun 05, 2016 9:06 pm
Profile E-mail
Ready for SVA

Joined: Wed Aug 11, 2010 9:27 am
Posts: 415
Location: Sheffield
GTM: Libra
Post Re: 1.8VVC
Check battery is still good 1st.

SAS

_________________
2000 GTM Libra 1.8VVC 145BHP


Mon Jun 06, 2016 4:23 pm
Profile E-mail
Part built GTM

Joined: Tue Jun 03, 2014 7:34 pm
Posts: 71
Location: Tonbridge Kent
GTM: Spyder
Post Re: 1.8VVC
Found the problem, the inlet manifold pipe to the idle control valve knackered. A bodge up repair has been done to get by but does anyone know the best place to get a new one please?

Thanks


Wed Jun 15, 2016 7:29 pm
Profile E-mail
On the Road
User avatar

Joined: Sun Oct 19, 2014 10:10 pm
Posts: 781
Location: Bristol
GTM: Spyder
Post Re: 1.8VVC
http://www.ebay.co.uk/itm/MGF-1-8-16v-K-SERIES-IDLE-CONTROL-VALVE-PIPE-/131848787584?hash=item1eb2ccd680:g:TmoAAOSwgQ9Vomi7

Like this? There are some new ones for £14 too.

If its the same on the 1.6 plastic inlet manifold I might have one in my shed - I'll look next time I'm out there...


Wed Jun 15, 2016 8:50 pm
Profile E-mail
On the Road

Joined: Wed Jul 31, 2013 11:47 am
Posts: 881
Location: Kano north Nigeria
GTM: Cox/Coupe
Post Re: 1.8VVC
I think Sanzo is clearing out his shed :lol:
John


Thu Jun 16, 2016 7:15 am
Profile E-mail
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 9 posts ] 


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB © phpBB Group.
Designed by Vjacheslav Trushkin for Free Forums/DivisionCore.

phpBB SEO