help!! mot fail emissions egr blanked but ok last time - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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danbo

Member

Registered: 1st Jul 08
User status: Offline

1st Aug 11 at 12:20

hi my corsa 1.6 sport has failed the emissions but they saying it needs new egr valve as its not opening closing properly but its been blanked off so comes up with egr fault anyway like most do with a mantzel inlet. Anything i can do for emissions?

I'm taking my new catalytic converter up there today to try as think the old one died when my head went. help please much appreciated

IvIarkgraham

Premium Member

Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline

1st Aug 11 at 12:27

put the egr back on

danbo

Member

Registered: 1st Jul 08
User status: Offline

1st Aug 11 at 13:41

it is plugged in still just a blanking plate and been through the other mots the same as it is?

said was running rich so dont wanna try my expensive sports cat on there and wreck it in no time

How does the egr valve cause it to run rich?
Others all pass mot with it blanked too so cant see why its doing it.

danbo

Member

Registered: 1st Jul 08
User status: Offline

1st Aug 11 at 13:44

has the blanking plate then egr bolted back over taht and sensor plugged in. didnt do anything different last time and i only think they think it is that because its the only fault code that was on there but it always will have egr fault code on there when its blanked anyway.

can a standard ecu be remapped or just tune up for the fueling?

IvIarkgraham

Premium Member

Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline

1st Aug 11 at 13:51

might aswell put it back on though, it will help

danbo

Member

Registered: 1st Jul 08
User status: Offline

1st Aug 11 at 14:17

cheers

thought it had to be blanked with mantzel? or does it not? and what remove blanking plate from between and bolt back down yer ?

also how does it cause the running rich?

Jed D

Member

Registered: 15th Mar 11
Location: Durham
User status: Offline

1st Aug 11 at 15:23

just £20 extra on the MOT price should see you rite at any friendly tester