I've got a big problem.

When i'm measuring the o2 sensors it's works nice on idle rpm, but as soon i give it some throttle the o2 sensor doesn't regulate they goes down to 0 voltage.

anyone seen this problem before?¿?

You should check your O2's at 2000RPM

if they don't fluctuate at that rpm...they're dead (but first check the connectors/wires)

 

-Eric

 

 

Well, they working at 2000 rpm, but after that they doesn't want to work.. it's to high CO and HC=296 i don't remeber the CO value but it's to high..

 

Have I lost it here, but don't these work on a 'closed loop' system ?

weird...since they're working at 2000RPM.

but they should be working over the whole RPM-range

Best thing to do is go to a Nissan dealer that have a Nissan-consult checker and hook it up to the car....

There might be something else wrong.

 

-Eric

 

 

 

A Techtom may give some clues ....

techtom?¿

It's a monitoring tool.

It gets it's information straight fromthe ECU.

 

 

Although for the kinds of problems you have with the O2-sensors, you need more "hardcore" tools, like a Nissan-consult, since you can not only monitor but also adjust (eg. fuel and timing)

My Nissan dealer is so sweet, its a little place out in the country with shiny Micra and Primera.

If I go ask em for a consult diagnosis I just know they are gonna go

"your naaart frooomm roundd erreee are you laddy", then they will start to play the banjo.

Bless em.

 

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Glen