harrisp
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Registered: 15th Dec 07
Location: Derbyshire
User status: Offline
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As the title says my sport is doing the above will sometimes stutter then drive fine for a bit, fault code is coming up with a code that doesnt relate to anything, Idles and drives a bit better if I unplug the sensor in the induction pipe, ATS isnt it?
What are the symptoms of the ATS going?
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Jake
Member
Registered: 24th Jan 05
User status: Offline
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the square one? air flow meter
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harrisp
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Registered: 15th Dec 07
Location: Derbyshire
User status: Offline
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Its not an airflow meter though is it?
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Gareth F
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Registered: 16th Jan 08
Location: Location Location
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What engine is it?
The 1.0l engines seem to eat AFM!
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harrisp
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Registered: 15th Dec 07
Location: Derbyshire
User status: Offline
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1.6 sport.
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fred7
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Registered: 17th May 04
Location: Rugeley, Staffordshire
User status: Offline
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might be the map sensor, on the bulk head behind your battery, theres a pipe on there pritty easy to break, had to replace mine this weekend. the pipe might be split or can be the sensor pipe might of snapped
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Gareth F
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Registered: 16th Jan 08
Location: Location Location
User status: Offline
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As above, i had it go on my old tigra. Even on my sport it has perished, i just cut 3"'s off where the split was and put it back on.
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spat vxr
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Registered: 20th Nov 06
Location: Nottingham
User status: Offline
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Tried EGR Valve? That's what happened to my X16XE, I just disconnected it until I replaced it.
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harrisp
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Registered: 15th Dec 07
Location: Derbyshire
User status: Offline
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Unplugged EGR valve made no difference, map sensor pipe is ok.
Any more ideas?
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stingray1987
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Registered: 18th May 09
Location: Stoke-on-Trent
User status: Offline
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quote:
Originally posted by harrisp
Unplugged EGR valve made no difference, map sensor pipe is ok.
Any more ideas?
i could still be your egr valve. basicly ur egr valve is a valve that opens up under high revs and recirulates exhaust gasses back into the throttle body and into the inlet.
if your egr valve is wedged open with carbon depostis or in my case a chunk of metal ( which even after stiping engine cudnt find where it came from) then under low revs it is still recirculating the exhaust gasses into the inlet.
you will loose back pressure and it will be recirculating exhuast gasses when it needs clean air so on low revs it will cut out.
unpluging the egr only works appears to fix the problem if the egr itself is playing up but if the valve is stuck open u will need to take it off and unwedge it or replace.
be warned tho i replaced mine and then this happend again and again so i ended up blacking the valve off and placing a new UNBLOCKED egr valve under the battry tray and pluged it in.
[Edited on 18-11-2009 by stingray1987]
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macky
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Registered: 24th Oct 07
Location: Albrighton, Wolverhampton
User status: Offline
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changing the crank sensor fixed mine....for 1 week 
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harrisp
Member
Registered: 15th Dec 07
Location: Derbyshire
User status: Offline
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quote:
Originally posted by stingray1987
quote:
Originally posted by harrisp
Unplugged EGR valve made no difference, map sensor pipe is ok.
Any more ideas?
i could still be your egr valve. basicly ur egr valve is a valve that opens up under high revs and recirulates exhaust gasses back into the throttle body and into the inlet.
if your egr valve is wedged open with carbon depostis or in my case a chunk of metal ( which even after stiping engine cudnt find where it came from) then under low revs it is still recirculating the exhaust gasses into the inlet.
you will loose back pressure and it will be recirculating exhuast gasses when it needs clean air so on low revs it will cut out.
unpluging the egr only works appears to fix the problem if the egr itself is playing up but if the valve is stuck open u will need to take it off and unwedge it or replace.
be warned tho i replaced mine and then this happend again and again so i ended up blacking the valve off and placing a new UNBLOCKED egr valve under the battry tray and pluged it in.
[Edited on 18-11-2009 by stingray1987]
Im in the middle of changing my egr valve (always dark when i finish work so dont get much time) and my old one feels rough and sticks open and is harder to open than my new one so hopefully its that, thanks for the explanation  .
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Adam136
Member
Registered: 16th Sep 09
Location: Delabole, Cornwall
User status: Offline
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Coilpack? Mine done the same, changed anything that's been said above then changed the coilpack and she was fine again.
[Edited on 19-11-2009 by Adam136]
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