stchris356
New Member
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- 684
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- Warwick,UK
I have de-catted my 3.9 serpent (sounds brilliant) my question is should I change the tuning resistor on the ECM loom???
3.9 Serpent tuning resistor
- Thread starter stchris356
- Start date
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jamesmartin
Well-Known Member
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have you removed lambda sensor if not leave as is
stchris356
New Member
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- 684
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- Warwick,UK
Cheers JM Lambda sensors still in place so will leave alone!
Chrisabsolute
New Member
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- 43
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- Yorkshire
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
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- 8,637
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- South Hampshire
just dont mention it , they probably wont ask
