Anyone good with Vauxhalls?

[Paul16V]

My corsa Gsi will not pass the emissions test on low idle no matter what.
on fast idle emissions are fine, but as soon as revs drop emissions are sky high.

Anyone know what this could be? have had a new lambda fitted and cat and still gettin this problem

its a pre ecotex c16xe engine. the car drives fine but it was showing a code 44. Mixture too lean.

Fooking me off big time! is sold but need to get 12 month test on it!

 

[phil_white16]

where abouts do you live paul cos i've got a mate who used to work for vauxhall as head of diagnostics and he's now set up by himself. I can almost guarantee he would be able to sort it cos he's s**t hot!

 

[stan*]

The air-mass meter are prone to going on these, worth checking.

 

[Paul16V]

air mass meters fine matey. has been tested.
is defo a lambda related problem. I did have a short which killed the old lambda and the wires so far up. which have been replaced but wondering whether the ecu is damaged in anyway maybe. am based in sheffield fella, prob a bit far

 

[Matbrown]

Air leak round the cat/lambda?



Mat.

 

[Paul16V]

Just had a new cat and lambda matey

 

[Matbrown]

But is it leaking?



Mat.

 

[Paul16V]

no matey
found a leak in backbox but have fixed it.
changed coolent temp sensor and had all loom out to check and still same. fuckin car! lol