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Author Which sensors control the fuel mixture
RKS
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Registered: 2nd Mar 04
Location: Gloucestershire UK
User status: Offline
26th Jul 05 at 21:40   View User's Profile U2U Member Reply With Quote
Hey guys, my corsa seems 2 be using a load of petrol recently, the inside of the exhuast is well black and sooty also (clean it regularly but after 20-30 miles its black again)

when its cold there is a strong smell of petrol but normally there isnt, (this is mainly in the mornings)

just wondering which sensors control the fuel mixture and could be giving out a duff reading, or may need cleaning, have changed the ICV and lambda sensors at the moment, as i was getting error codes about the lambda and ICV also it wasnt idling proper, it kept pinking
dna23
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Registered: 1st Nov 04
Location: Northamptonshire
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26th Jul 05 at 21:46   View User's Profile U2U Member Reply With Quote
i thought the AFM did it
dna23
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Registered: 1st Nov 04
Location: Northamptonshire
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26th Jul 05 at 21:46   View User's Profile U2U Member Reply With Quote
combined with the ECU obviously
Dave A
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Registered: 10th Dec 03
Location: County Durham
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26th Jul 05 at 21:49   View User's Profile U2U Member Reply With Quote
mainly afm (if it has one) coolant temp sensor and lambda.
lee mitchell
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Registered: 26th Jan 01
Location: kent...drive's: eveyones conversion cars hard lol
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26th Jul 05 at 21:49   View User's Profile U2U Member Reply With Quote
coolant temperature sensor
RKS
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Registered: 2nd Mar 04
Location: Gloucestershire UK
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26th Jul 05 at 21:50   View User's Profile U2U Member Reply With Quote
AFM being Air Flow Meter?? any ideas how much these are?

been doing a couple of searches, and it seems like its possible there is an airleak also? as in there is less air getting into the engine than it actually thinks there is, how do you check for this?
Dave A
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Registered: 10th Dec 03
Location: County Durham
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27th Jul 05 at 09:36   View User's Profile U2U Member Reply With Quote
an air leak/ exhaust manifold leak or vaccum leak can cause probs.
RKS
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Registered: 2nd Mar 04
Location: Gloucestershire UK
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27th Jul 05 at 11:20   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by corsa808
an air leak/ exhaust manifold leak or vaccum leak can cause probs.


how do you check for them though?

a vaccum leak would result poor idling?? and exhaust leak would be blowing, unsure on how to check for an air leak really

 
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