CorsaSi Jay
Member
Registered: 19th Jun 07
Location: Watnall, Nottinghamshire
User status: Offline
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Ok guys, want to pick your brains.
Past week or so my car has got considerably louder and sounds deeper. Its began to pop alot more in the exhaust and fpit the occasional flame.
Put £20 fuel in it monday morning, went to work and back monday and tuesday and its empty. That 44 miles to £20.
My thought was overfueling but why would it just suddenly happen? The same with it decided to run richer, why all of a sudden? Had the diiagnostic computer on it earlier and it shows no faults!
My 1.4 Si Corsa has worse mpg than a Skyline!
HELP!
Cheers!
Jay!
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Daniel_Corsa
Premium Member
Registered: 21st Apr 04
Location: Wigton, Cumbria
User status: Offline
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Leak
April '06' Corsasport Feature Car  | Aug '08' Total Vauxhall Feature Car | Spring '09' Fast Car Feature Car
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CorsaSi Jay
Member
Registered: 19th Jun 07
Location: Watnall, Nottinghamshire
User status: Offline
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Also, cannot see any leaks. Left cardboard under it last night and it was bone dry this morning. No smell of fuel either!
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ed
Member
Registered: 10th Sep 03
User status: Offline
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What form of diagnostics did you have done? I would assume that it would be an electronic fault on the engine.
Do you have an induction kit or anything? What is the state of your lambda sensor? Do you know where Help Zone is?
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CorsaSi Jay
Member
Registered: 19th Jun 07
Location: Watnall, Nottinghamshire
User status: Offline
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Its got a mushroom air filter thats been fitted well over a year. Lambda sensor looked ok although its going to be checked tomorrow.
I would have posted in Help Zone but seeing as i have to run the car daily, the more responses asap, the better.
Cant afford to be spending £100 a week on fuel to run a corsa to work and back
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richc
Member
Registered: 24th Mar 07
Location: Ilkeston
User status: Offline
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put your standard box on.
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lottoe
Member
Registered: 24th Oct 07
User status: Offline
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its a ALS on a non turbo car! nice! somethings retarding the ignition 
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thegsi
Member
Registered: 3rd Feb 07
Location: Kidderminster Drives: Evo (you can't afford one)
User status: Offline
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quote:
Originally posted by CorsaSi Jay
Its got a mushroom air filter
phat maaan like an HKS one?! cool
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ainsley_brader
Member
Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
User status: Offline
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if it overfuelling that bad you can nearly guarantee lambda sensor and cat damage but its likely they are effect rather than cause. Need to see why its overfuelling. 8 or 16v? probably start looking for air leaks and get it on a decent diagnostic machine and see what the fuel trims are!
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cammack
Member
Registered: 22nd Jun 07
Location: Thame, Oxfordshire
User status: Offline
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mine uses to much fuel too! but im guessing its cos ive sorted the restrictive air flow problem, and am running 421 manifold and straight through exhaust, ???
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VegasPhil
Premium Member
Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
User status: Offline
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Is the CAT ok? 
Corsa 2.0 16v Vegas - Sold
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cammack
Member
Registered: 22nd Jun 07
Location: Thame, Oxfordshire
User status: Offline
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straight through, no cat present!
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CorsaSi Jay
Member
Registered: 19th Jun 07
Location: Watnall, Nottinghamshire
User status: Offline
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Havent checked the cat. I'm off work today so i'll have a gander later.
Cheers guys
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