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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » 4-1 and 02 sensor.


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Author 4-1 and 02 sensor.
csweatherston
Member
Registered: 16th Jan 06
Location: Devon
User status: Offline
22nd Jan 07 at 17:58   View User's Profile U2U Member Reply With Quote
annother theory to my poor running is:

ive got a protech 4-1 manifold, and the lambda sensor is halfeway down cylinder 3's pipework iirc.

surely the sensor should be where all 4 pipes meet the collector to adiquitly monitor the gasflow

any one else had a problem using a 4-1?
craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
22nd Jan 07 at 18:09   View User's Profile U2U Member Reply With Quote
ive got the same setup on my 4 branch manifold i noticed after it was fitted that it idles lower dont know if it caused this though.the bloke at ashley said it would be fine though.
Vaux Lad
Member
Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline
22nd Jan 07 at 18:28   View User's Profile U2U Member Reply With Quote
It should be in the collector.
As in one branch, should that one branch go rich for some reason(a misfire) the ecu will see that as rich and lean out the mixture to All cylinders.

Could be potentially damaging.
csweatherston
Member
Registered: 16th Jan 06
Location: Devon
User status: Offline
22nd Jan 07 at 20:38   View User's Profile U2U Member Reply With Quote
yes vauxlad....cheers for the comment, but have you got one and have you had problems with it?.....
i know the theory behind where the lambda sensor should be located
RobHayes
Member
Registered: 6th Sep 03
Location: Lincolnshire
User status: Offline
22nd Jan 07 at 20:41   View User's Profile U2U Member Reply With Quote
i never had a problem with mine, but then i never wired the lambda sensor is, just used it to fill the hole
csweatherston
Member
Registered: 16th Jan 06
Location: Devon
User status: Offline
22nd Jan 07 at 20:45   View User's Profile U2U Member Reply With Quote
TB's?
RobHayes
Member
Registered: 6th Sep 03
Location: Lincolnshire
User status: Offline
22nd Jan 07 at 20:46   View User's Profile U2U Member Reply With Quote
aye
Dave A
USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline
22nd Jan 07 at 21:26   View User's Profile U2U Member Reply With Quote
I have a protech manifold here, im chopping off the collector and tig welding a proper one in with the lambda sensor in the collector.
Adam-D
Member
Registered: 11th May 02
Location: Cheshire
User status: Offline
22nd Jan 07 at 21:47   View User's Profile U2U Member Reply With Quote
stu has a pro-tech manifold. never had any trouble with it

 
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