stchris356

New Member

• Feb 22, 2012

• #1

I have de-catted my 3.9 serpent (sounds brilliant) my question is should I change the tuning resistor on the ECM loom???

 

jamesmartin

Well-Known Member

• Feb 22, 2012

• #2

have you removed lambda sensor if not leave as is

 

stchris356

New Member

• Feb 22, 2012

• #3

jamesmartin said:

have you removed lambda sensor if not leave as is

Click to expand...

Cheers JM Lambda sensors still in place so will leave alone!

 

vougese39

Well-Known Member

• Feb 22, 2012

• #4

You need to fit the cats for mot as it will fail if they are not fitted

 

C

Chrisabsolute

New Member

• Feb 23, 2012

• #5

Would It matter what year the defender is is if you put a 3.9 Efi whether or not hounded cats for the mot if say a 3.9 Efi in a 1986 defender surely wouldn't need cats for mot?

 

fett

Well-Known Member

• Feb 24, 2012

• #6

just dont mention it , they probably wont ask