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Saxo Engine/Performance If you're interested in tuning Saxo engines, or if you need to know something which is engine related... this is the place for you.

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Old 15th May 2009, 21:51   #1
Carrot1989
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Unhappy my vts is juddering and backfiring

my vts has startid to backfire and judder and lost all power, if I put my foot to the floor then it feels like ime braking at the same time it feels like it's in limp mode but I can still do like 80mph just takes bowt 5mins to get to that speed! And it sounds like I've got a washing machine up my exaust any ideas?
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Old 15th May 2009, 22:43   #2
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cambelt jumped a tooth maybe, if thats ok ide say a faulty crank position sensor especailly if its back firing badly


Ive got one here for £10 if you need it.
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Old 16th May 2009, 09:49   #3
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well I changed the plugs last week and it was fine for a week and it cum back agan so I sprayed d40 on coil pack and was fine till yesterday I've been told it cud be coil pack
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Old 16th May 2009, 19:54   #4
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Quote:
Originally Posted by Carrot1989 View Post
well I changed the plugs last week and it was fine for a week and it cum back agan so I sprayed d40 on coil pack and was fine till yesterday I've been told it cud be coil pack
I think then that its your coil pack mate, i had the same problem with my old VTS Hillclimb car. Plus if you changed the plugs and it was fine for a few days then went back to before, and again when you took it off to wd it then i'm 99% sure it will be the coil pack.
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Old 17th May 2009, 20:06   #5
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I think then that its your coil pack mate, i had the same problem with my old VTS Hillclimb car. Plus if you changed the plugs and it was fine for a few days then went back to before, and again when you took it off to wd it then i'm 99% sure it will be the coil pack.
well I got a coil pack cuming tmos so hopefully it's that, do u no Gary mulkie, he's from huddersfeild or dean wightman
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Old 18th May 2009, 07:47   #6
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on my old 106gti was doin the same and l changed alsorts including the coil pack and it turned out to be the 2nd injector not working
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Old 18th May 2009, 09:16   #7
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Quote:
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well I got a coil pack cuming tmos so hopefully it's that, do u no Gary mulkie, he's from huddersfeild or dean wightman
no mate i dont know them, keep us updated on the problem mate
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Old 18th May 2009, 12:18   #8
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Originally Posted by leightonjay View Post
on my old 106gti was doin the same and l changed alsorts including the coil pack and it turned out to be the 2nd injector not working
How did you know the injector wasn't working? Did it come up on diagnostic?

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Old 18th May 2009, 12:28   #9
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I heard its injectors or coil pack so ive bought both and new sparks and im gonna try and get hold of a new crank sensor just so im covering all angles. my car does the same i could deal with it for a while but now it just pisses me off so im replacing everything! ill let you know what happens.
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At FCS everyone was pretty similar...Moxy bigging up 16v...then you coming fucking belting round the corner back end out. Quality! max respect.
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Old 18th May 2009, 12:38   #10
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my vtr whas really juddery, i changed the plugs like a week and a half ago, its been fine but it feels like it might be coming back again, only in neutral though
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Old 19th May 2009, 18:06   #11
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all fixed now changed coil pack and it's fine yipeeeee
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