j7 gkk
Member
Registered: 16th Jun 05
Location: Sheffield
User status: Offline
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ive took my corsa sport twice now for mot and bith times its nearly double, ive put the airbox back on and the egr valve but its still high!!! has anyone any idea of whatcan be causing this or how to have it fixed? thanx all
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GTS-T Rob
Member
Registered: 20th Jul 05
Location: Cambridgeshire Drives: Skyline
User status: Offline
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o2 sensor
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
User status: Offline
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faulty cat.
is it running rich at all?
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j7 gkk
Member
Registered: 16th Jun 05
Location: Sheffield
User status: Offline
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yeah the test centre said its running rich could the cat cause this?
thanx
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
User status: Offline
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cat wouldnt cause it to run rich, but could cause an mot fail if its faulty.
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GazBevan
Member
Registered: 27th Apr 04
Location: N.Wales
User status: Offline
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mine was lambda or '02 sensor'...
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j7 gkk
Member
Registered: 16th Jun 05
Location: Sheffield
User status: Offline
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thats wat im guna try i think how far out was it with your lambda sensor?
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GazBevan
Member
Registered: 27th Apr 04
Location: N.Wales
User status: Offline
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cant remember exact readings i got but was waaaaay out. was surprised at how much of a difference it made, was because with broken lambda sensor it was running too rich at idle and low engine speed but at higher engine speed was running too lean, completely messed up air/fuel ratio basically..
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