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Corsa Sport » Message Board » General Chat » Projects and Builds » Project cheap fun (Saxo VTS) *oulton park pics poly bushes on and frost bite gained 28/11/10


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Author Project cheap fun (Saxo VTS) *oulton park pics poly bushes on and frost bite gained 28/11/10
gavin18787
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Registered: 22nd Feb 05
Location: Basildon, Essex
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25th Apr 10 at 18:26   View Garage View User's Profile U2U Member Reply With Quote
Right the car was fine for the spirited 200 mile trip to coombe

But as soon as it exited the pit lane onto the track the mis fire came back with avengance

So just coasted the session learning some lines.


Anyway I now have Seven days until PPC at Mallory to get it sorted


I have changed

>coil pack
> TPS and other throttle body mounted sensors
>checked plugs
> checked and cleaned MAP


Left to check

> crank position sensor (once I find where the fuck it it)
>change fuel filter, will have to go shitrons tomorow as halfords dont have them


Any other suggestions other the sell it on a post card

Drives supercharged Tec with torque
ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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25th Apr 10 at 18:38   View User's Profile U2U Member Reply With Quote
Injectors, wiring fault. Id say try the injectors first, if its not that, check the loom over for breaks etc.
gavin18787
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25th Apr 10 at 18:41   View Garage View User's Profile U2U Member Reply With Quote
Any idea where the crank sensor is chris? Ive been told its near the gearbox and as this has been in and out in the last week and its only happened since then it could be related



On the hunt around the bay I found this was just floating around. Looks like some kind of temp sensor




All plugs looked the same as this one. Not black or white and all complete so all good as far as I am aware



Drives supercharged Tec with torque
Jamie_Hastings1
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Registered: 14th Aug 08
Location: Sanquhar, Dumfries and Galloway
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25th Apr 10 at 19:41   View User's Profile U2U Member Reply With Quote
Crank sensor is the plastic sensor right at the gearbox/block joint.
gavin18787
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25th Apr 10 at 20:13   View Garage View User's Profile U2U Member Reply With Quote
Ah the thing with the big braket?

I thought that was some kind of speed sensor on the gearbox as it looked like it was on the box not the engine

Drives supercharged Tec with torque
ChrisBoom
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Location: Highland
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25th Apr 10 at 22:45   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by gavin18787
Ah the thing with the big braket?

I thought that was some kind of speed sensor on the gearbox as it looked like it was on the box not the engine


Thats the one.

Might have the same sort of plug as the lambda sensor, sometimes has a square-ish plug.

Plugs look fine to me anyways.
gavin18787
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26th Apr 10 at 12:58   View Garage View User's Profile U2U Member Reply With Quote
I am going to look into this as its just come back from a gearbox rebuild it could have not been put in properly/damaged




Off to peugeot in a mo for a fuel filter as neither halfords or the local factors can get one dispite it been the same one used on a shed load of the models

[Edited on 26-04-2010 by gavin18787]

Drives supercharged Tec with torque
AlexW
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Registered: 25th Oct 08
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26th Apr 10 at 13:05   View User's Profile U2U Member Reply With Quote
Hope ya get it sorted, will keep an eye out for the saxo next weekend.
Jamie_Hastings1
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26th Apr 10 at 16:20   View User's Profile U2U Member Reply With Quote
I have a set of injectors if needed.
gavin18787
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Registered: 22nd Feb 05
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26th Apr 10 at 19:00   View Garage View User's Profile U2U Member Reply With Quote
Fuel filter on petrol hurts like fuck when it gets in your eyes


Cheers jamie but I have a spare inlet with fuel rail and injectors on in the shed iirc

Drives supercharged Tec with torque
Ian W
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Location: Wirral, Merseyside
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27th Apr 10 at 08:27   View User's Profile U2U Member Reply With Quote
I found my injector problem by checking the resistance of them with a multimeter, built myself a decent rail out of two and been fine ever since.

Before I figured out it was the injector I did most of what you have already done...

Clean TB and all sensors
New map
new fuel filter
new plugs
new coilpack



[Edited on 27-04-2010 by Ian W]
gavin18787
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Registered: 22nd Feb 05
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27th Apr 10 at 12:44   View Garage View User's Profile U2U Member Reply With Quote
Was yours an intermitant mis-fire at high rpm too ?

Drives supercharged Tec with torque
Ian W
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28th Apr 10 at 13:54   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by gavin18787
Was yours an intermitant mis-fire at high rpm too ?


Started off like that, eventually got to the point where it was only running on 3.
Butler
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28th Apr 10 at 13:57   View User's Profile U2U Member Reply With Quote
Didnt know you were coming to Mallory Gavin. Good luck getting it sorted, the Mazda came back with problems on saturday, hats off to you for not dumping it at a garage on monday morning like I did
gavin18787
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28th Apr 10 at 18:33   View Garage View User's Profile U2U Member Reply With Quote
Would have done if I had any faith in them but seeing as the last time it went in there it came back with the mis-fire


Its running fine at the moment but dont know how long for as I thought I fixed it last time only for it to fuck up at coombe

Fingers crossed anyway as there is not alot I can do between now and then now

Drives supercharged Tec with torque
NovalutionGSi
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Registered: 20th Feb 07
Location: East Poringland, Norfolk
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28th Apr 10 at 19:40   View User's Profile U2U Member Reply With Quote
May have missed this but is it a Fire on 3 Misfire or a fire on 2?? Other half's GTi had 1 injector go down, but as the management works in pairs it took its pair down as well so ended up running on 2.
gavin18787
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29th Apr 10 at 13:09   View Garage View User's Profile U2U Member Reply With Quote
Not sure how would I tell?

Hasnt done it since I changed some bits so far

Drives supercharged Tec with torque
Mertin
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29th Apr 10 at 16:33   View User's Profile U2U Member Reply With Quote
Take it the crank sensor was ok then?
gavin18787
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29th Apr 10 at 18:04   View Garage View User's Profile U2U Member Reply With Quote
was dirty so cleaned it and put it back, not sure if that would have helped or not.

Might just be faulty, but if it was I would expect a error code or something to flash up

Drives supercharged Tec with torque
NovalutionGSi
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29th Apr 10 at 19:30   View User's Profile U2U Member Reply With Quote
When the Pug's went it took 2 garages about 3 weeks to find it, it was only found with someone who knew what they were looking at on the Diagnostics!
If it was running on 2 you would know about it as it would be gutless!
gavin18787
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29th Apr 10 at 19:35   View Garage View User's Profile U2U Member Reply With Quote
Apart from when the misfire occurs it still feels as fast as it always has. Even why it does mis it pulls hard until it does.


Anyway touch wood it hasnt done it since I fiddled with it the other day

Drives supercharged Tec with torque
NovalutionGSi
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29th Apr 10 at 19:37   View User's Profile U2U Member Reply With Quote
Well from what you've said i doubt the Injectors will be causing the Misfire when its there.
gavin18787
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29th Apr 10 at 20:08   View Garage View User's Profile U2U Member Reply With Quote
yer as its so intermitant im still going to blame a sensor of some kind if it pops up again

Drives supercharged Tec with torque
Fad
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Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
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29th Apr 10 at 21:13   View User's Profile U2U Member Reply With Quote
I reckon its the ECU

I think a set of Matches will sort this puppy out
P1CK4D
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29th Apr 10 at 21:19   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Fad
I reckon its the ECU

I think a set of Matches will sort this puppy out


He has a good point.

Jap FTW.

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