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Author 1.0 corsa b emissions...need help asap please.
Corsa_Sport21
Member
Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
User status: Offline
6th Jun 10 at 22:04   View User's Profile U2U Member Reply With Quote
right my corsa has failed 3 emissions tests and its really pissing me off.heres the results.... fast idle test CO 4.025 and the max limit is 0.300....lambda 0.885 with the minimum limit being 0.970 so thats too low.
second fast idle CO 5.799,HC 237 with the max being 200,lambda 0.836
natural idle CO is 8.123 with the max being 0.500
Im thinking maybe lambda sensor is fuked.its had a new afm in january but was running a silly cone filter which has been changed for an airbox and ive reset the ecu.car runs mint with no fuked afm symptoms etc.before its mot i fired in some redex and some super unleaded and kicked its hole but that didnt help.hope sum1 in the know can.the emissions seem really far out so or too low so im hoping its sensor related.
davey_jack
Member
Registered: 28th Jan 06
Location: Horley, Surrey Drives: Clio 182
User status: Offline
6th Jun 10 at 22:20   View User's Profile U2U Member Reply With Quote
I had the same problem with mine, would never pass emissions!
From what I can see there it is running too rich, I wouldnt be surprised if it was caused by a lambda sensor, from my experience the 1.0 models are a pain in the arse when it comes to emissions tests
c18xewoody
Member
Registered: 15th Feb 09
Location: lincolnshire
User status: Offline
7th Jun 10 at 18:12   View User's Profile U2U Member Reply With Quote
does the timing chain rattle ? if not shove a bottle of cataclean thru it
mossy_1991
Member
Registered: 26th Jan 08
Location: Leyland, Lancashire
User status: Offline
7th Jun 10 at 18:25   View User's Profile U2U Member Reply With Quote
My 1.0 was running to rich and failed on emissions test when i had it. i changed the Coolant Temp Sensor and AFM and it passed.
N3CRO
Member
Registered: 12th Apr 07
Location: Sandy, Bedfordshire
User status: Offline
7th Jun 10 at 19:02   View User's Profile U2U Member Reply With Quote
My 1.0L Corsa always passed the emissions.
Corsa_Sport21
Member
Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
User status: Offline
9th Jun 10 at 11:38   View User's Profile U2U Member Reply With Quote
Where about is the temp sensor on these?on the side of the rad?think i'll change that and the lambda and hope for the best.are the universal lambdas any good?whats cataclean?
Archie
Organiser: Scotland
Premium Member

Registered: 18th Dec 07
Location: South Ayrshire
User status: Offline
9th Jun 10 at 11:44   View User's Profile U2U Member Reply With Quote
CTS is on the timing casing.
Corsa_Sport21
Member
Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
User status: Offline
14th Jun 10 at 15:16   View User's Profile U2U Member Reply With Quote
Sorted.New lambda and CTS and got thro the emissions test fine and dandy.

 
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