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[pigtown]

Did all the suspension work and changed the post cat sensor.  retest passed all the suspension tests but still failed emissions.
The failed readings are fast idle tests 1.Lambda 1.16 (limit .97 - 1.03), 2. Lambda 1.17.
So consistently high lambda reading.
I did have a look at the pre cat sensor and it is much more difficult to get to and the wiring loom isn't standard (probably due to LPG) so I need a better look at it to figure it out.
Out of interest is the MAF reading Nigel did in range? I ask as it runs badly initially on petrol and that seems to be brought up as a common fault. That would be easier to change!

also the new sensor is about 10mm longer than the old one and hits the heatshield stud on start up!

[TheBoy]

Did all the suspension work and changed the post cat sensor.  retest passed all the suspension tests but still failed emissions.
The failed readings are fast idle tests 1.Lambda 1.16 (limit .97 - 1.03), 2. Lambda 1.17.
So consistently high lambda reading.
I did have a look at the pre cat sensor and it is much more difficult to get to and the wiring loom isn't standard (probably due to LPG) so I need a better look at it to figure it out.
Out of interest is the MAF reading Nigel did in range? I ask as it runs badly initially on petrol and that seems to be brought up as a common fault. That would be easier to change!

also the new sensor is about 10mm longer than the old one and hits the heatshield stud on start up!

That needs to be resolved. Forget LPG for now.

Were the BLMs reset?

[pigtown]

Don't know how to reset the BLMs (Block learn values you mentioned earlier)?
Nigels reader couldn't see them. Is there a way to reset them without a reader?

[Entwood]

Did all the suspension work and changed the post cat sensor.  retest passed all the suspension tests but still failed emissions.
The failed readings are fast idle tests 1.Lambda 1.16 (limit .97 - 1.03), 2. Lambda 1.17.
So consistently high lambda reading.
I did have a look at the pre cat sensor and it is much more difficult to get to and the wiring loom isn't standard (probably due to LPG) so I need a better look at it to figure it out.
Out of interest is the MAF reading Nigel did in range? I ask as it runs badly initially on petrol and that seems to be brought up as a common fault. That would be easier to change!

also the new sensor is about 10mm longer than the old one and hits the heatshield stud on start up!

That needs to be resolved. Forget LPG for now.

Were the BLMs reset?

All the maxscan can do AFAIK is to remove all active and pending faults, which is what I did. Readings are in the post on the first page

[TheBoy]

Hmmm, my South-of-the-M4 geography isn't great  , despite getting non-stop Southampton news here 

But how far are you from Kevin Wood?

[Entwood]

Hmmm, my South-of-the-M4 geography isn't great  , despite getting non-stop Southampton news here 

But how far are you from Kevin Wood?

It's about an hour and a quarter if there's no traffic .. 

70 odd miles if memory serves ..