#1: flat spot gti180 Author: paulspug, Location: Spalding lincolnshirePosted: Thu Oct 03, 2013 8:08 am ---- well seems ive picked up a flat spot in the rev range.
car pulls well in gears until i change to 5th at around 115mph then just wont pull anymore.
ive checked plugs, vvt and all seems well.
The car has only done 39k and if FSH.
I cant remember at what revs it was as was on a airfield, as watching out for pot holes,(racing a cc which btw was pretty fast itself)
Have i missed something obvious?
The car has scorpion cat back and k+n panel filter, but is not remapped.
Advice most welcome
#2: Re: flat spot gti180 Author: Uz, Location: No Man's LandPosted: Thu Oct 03, 2013 8:45 am ---- Something must be wrong because mine at 115 down Shakespeare mile drag it just keeps going and miles done 80k... when was the last time it was serviced..?
#3: Re: flat spot gti180 Author: mattymj, Location: NorfolkPosted: Thu Oct 03, 2013 11:10 am ---- Has the engine management light been on? How do u know the vvt is fine just by looking? What plugs are in it. Should be bosch
#4: Re: flat spot gti180 Author: daykes1, Location: Ledbury, HerefordshirePosted: Thu Oct 03, 2013 11:49 am ---- forgive me if this sounds silly but have you done the simple things like coils, cleaned map sensor/throttle body, fuel filter etc?
#5: Re: flat spot gti180 Author: mattymj, Location: NorfolkPosted: Thu Oct 03, 2013 1:49 pm ---- Can try all the above except don't go looking for a fuel filter, it's built into the tank
#6: Re: flat spot gti180 Author: Schumi, Location: Istanbul / TurkeyPosted: Thu Oct 03, 2013 6:13 pm ----
mattymj wrote:
Can try all the above except don't go looking for a fuel filter, it's built into the tank
Everybody said that but it doesnt. Mine and my 3 friends car have fuel filter under car near fuel tank. It can be change.
#7: Re: flat spot gti180 Author: mattymj, Location: NorfolkPosted: Thu Oct 03, 2013 6:50 pm ---- Can you get a picture of its location? Maybe the rc is different
#8: Re: flat spot gti180 Author: imjeeves, Location: Glasgow / WellingPosted: Fri Oct 04, 2013 3:18 am ---- Its on the side of the tank its not internal. It can be changed
#9: Re: flat spot gti180 Author: mattymj, Location: NorfolkPosted: Fri Oct 04, 2013 7:33 am ---- I see. I must have another look. Peugeot parts have assured me it doesn't have one!
#10: Re: flat spot gti180 Author: paulspug, Location: Spalding lincolnshirePosted: Fri Oct 04, 2013 9:00 am ---- hi
thanks for all the replys.
yes have checked all the obvious/filters plugs(bosch)/throttle bodie cleaned / vvt was cleaned although other than replacing i would not know how to check it.\even checked for brake binding on each wheel but that seems fine.
The plugs are all sparking well , and the engine is fine until tht speed, i was told the filter was in the tank , but i shall go check when im off work (n/s till tuesday
Guessing i'll have to strip it all down when i finish tue - just to make sure ive not missed something.
Other than that i'll be seeking a pp200 to check it all
Thnx all
#11: Re: flat spot gti180 Author: paulspug, Location: Spalding lincolnshirePosted: Fri Oct 04, 2013 10:01 am ---- aha
just been out before work to have a quick strip down of the obvious.
i have come across a two way valve that sits in the inlet manifold. one hose to the airbox -valve which has a electric connector-a hose to the manifold.
There is oil in hose the side that goes from the manifold to valve.
Not had a chance to do anything about it as gotta leg it to work real soon, but looks like i gotta strip at least the intake off/fuel rails etc to get a better assesment of it.
could this be my problem?gti 180.
#12: Re: flat spot gti180 Author: mattymj, Location: NorfolkPosted: Fri Oct 04, 2013 10:27 am ---- Thats probably just some sort of breather. I know which hose u mean. Im not sure what the electric connection is for. Im sure u can unclip the whole pipe from the inlet end and have a clean. Take a ride down to Norfolk. I dont mind taking a look
#13: Re: flat spot gti180 Author: paulspug, Location: Spalding lincolnshirePosted: Sat Oct 05, 2013 9:53 am ---- Thats very decent of you, thanks,
i dont finish work till tue morning, so will be in touch after
#14: Re: flat spot gti180 Author: paulspug, Location: Spalding lincolnshirePosted: Thu Oct 10, 2013 2:25 am ---- Thanks mattymj, but seems ive stumbled across the problem.
Was fitting a polybush lower engine mount and i noticed a lil bit of carbon around the cat exhaust flange.
On inspection , it seems it has been blowing slightly.
Will clean it up next week as ive got to go back to work early this week :/
I can only assume this has effected my problem , but wont know till later.
May well visit you next week if the problem persists, but will pm you 1st ofc
Thanks
#15: Re: flat spot gti180 Author: mattymj, Location: NorfolkPosted: Thu Oct 10, 2013 3:26 am ---- Ok no worries. Hope that solves the problem. It's like finding a needle in a haystack sometimes
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