Aerox-lad
Member
Registered: 2nd Nov 07
Location: Melksham, Wiltshire
User status: Offline
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this is on my 1.4 sport (x14xe)
basically i bought a second hand inlet manifold (powerbox) and fitted it to my car. this came with the throttle body allready attached  . so instead of butchering my original TB i just took the throttle position sensor and icv off my previous tb and connected them to my new one which was attached to my powerbox.
now my car starts but the revs keep climbing. ive been told its an air or vacuum leak but have checked the car over and havent really found any. My mate (Spankyjames) on here helped me and he reckons its the throttle postion sensor. as the revs on idle climb up to as high as 4.5k maybe 5k sometimes. we disconnected the throttle cable and no difference.
james said that when i changed the tps over from my old tb apparently theyres a way of setting them up instead of just connecting them to my new tb? which i had no idea about. i also notice when i change gear that i have to be really quick with the clutch as if the clutch is in the revs will climb up quite quickly.
anyone have any ideas?
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am4nf
Member
Registered: 27th Jul 08
Location: South Ayrshire Drives: Corsa Sport
User status: Offline
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sounds like icv problem
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Aerox-lad
Member
Registered: 2nd Nov 07
Location: Melksham, Wiltshire
User status: Offline
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could i have done something wrong when i swapped them over?
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Ricky352
Member
Registered: 6th Apr 07
Location: Lisburn, N.I.
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I know youve checked for leaks but its still a possibilty. Same happened to my x14xe when I fitted a power box, took ages to find the leak. Think it turned out that the seller hadnt welded a bit inside the box.
Good luck.
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Aerox-lad
Member
Registered: 2nd Nov 07
Location: Melksham, Wiltshire
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thing is you cant really hear it. and my mate said its revving too high for it to be a leak.
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RichR
Premium Member
Registered: 17th Oct 01
Location: Waterhouses, Staffordshire
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I had this, was either bogging down or revving its tits off; changed ICV,AMM etc etc etc and it turned out to be a faulty ECU
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Aerox-lad
Member
Registered: 2nd Nov 07
Location: Melksham, Wiltshire
User status: Offline
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was this after you fitted a powerbox? my eml light doesnt turn on.
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RichR
Premium Member
Registered: 17th Oct 01
Location: Waterhouses, Staffordshire
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no; only modifications were air filter/induction kit and exhaust
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Ryan_G1
Member
Registered: 29th Aug 05
Location: East Ayrshire
User status: Offline
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Did you change the boltfor the alternatior braket like i said in the other thread?
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Aerox-lad
Member
Registered: 2nd Nov 07
Location: Melksham, Wiltshire
User status: Offline
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nope my inlet doesnt catch on the top alternator bolt??
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Crana
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Registered: 20th Jan 09
Location: Newcastle
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air leak
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mattievRS
Member
Registered: 20th May 06
Location: Leicester
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most likely a vacuum leak where the box mates to the inlet manifold. Also possible its either the tps or more likely icv. Have you left the engine running for a couple of mins to adjust itself?
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Aerox-lad
Member
Registered: 2nd Nov 07
Location: Melksham, Wiltshire
User status: Offline
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quote:
Originally posted by mattievRS
most likely a vacuum leak where the box mates to the inlet manifold. Also possible its either the tps or more likely icv. Have you left the engine running for a couple of mins to adjust itself?
hey bud yes i have and have reset the ecu twice and no luck.
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KyleCorsa
Member
Registered: 6th Jan 09
Location: Wrexham (North Wales)
User status: Offline
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the bracket on the powerbox needs bending mate. thats what i had to do on mine. when i stopped at traffic lights it kept revving upto like 4 or 5 thousand. its the cable sticking because its tight. I just got some plyers and gently bent it towards the throttle body. It worked on mine and the mrs car. Or if not that vaccuum leak mate.
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