car running too rich

[wilsonian]

Hi all i have a nissan Micra, that is running too rich.

any one got any idea's on why or what i could do to sort it out.

the car is modded slighty

k&n 57i
Janspeed de cat
Power flow back box.

there the only engine mods.

[Del Lardo]

Is it one of the newer models (i.e. doesn't look like an icecube) ????

If it is then it should have a fairly advanced Engine Management System that should stop it from running rich. What makes you think it is running rich?

If it is running rich then I'd have to suggest taking it to a garage. Modern engines are a bugger to work on cos they are so complex.

[Russ]

where abouts you live? im sure i could find you a garage that knows what there doin.

[[GSV]Trig]

That b the K&N then..

[Dfhaii]

surely a k&n would make it run too lean if anything as it will allow more air through?

Col

[Lowe]

Sometimes the ECU over compensates for the extra air. Try the standard airbox and see what happens...

[Zak33]

They're right.....and the Decat isn't helping sadly....

Gotta ask HOW you know its running too rich?

Failed MOT?

That induction kit is not for mOT testers....swap it for the test and put it back after

[Lowe]

Generally after a decat and induction kit the reccomended thing to do next is to have the ECU chipped to sort the fuelling to avoid these kinds of problems. That's what I did with my old Clio engine.