Nissan Primera (P11-144) Need Help re MAF

 

I have newly acquired a 1800 Primera S 2001 Y reg (hence P12?) and it is an excellent car with just a couple of faults. The engine management light stays on - Garage say the code indicates lean mixture but it passed the MOT emission test fine. (Garage switched the light off but it came back within 24 hrs as it has done in the past). As regards performance it is generally fine (although rather less pull than I would expect from a 1.8) and it takes it's own sweet time to speed up, no sense of power coming at all when you floor the throttle!

 

However the main issue is that it does have a tendency to completely lose power when pulling away after starting up, it would probably cut out if I didn't drop the clutch, but if I then wait a few seconds with the engine running it's fine for the rest of the journey. It can also do something similar when overtaking on the motorway, there's just nothing there when trying to accelerate after it's been doing a constant speed for a while.

 

It's ok and driveable (sort of) although I did nearly go through a mates garage doors when leaving his drive (on a hill) when I lost power and dipped the clutch!

 

The combination of issues (engine mgt light on and loss of power) sounds similar to a number of threads on NPOC. Is this a common Primera problem and is replacing the MAF a sensible way to go? Also I would be very grateful if anyone could clarify whether there is one MAF or two, are we talking about valves or sensors, where are they located, is it a difficult job, do they need a torx and are they expensive or cheap (I've seen £18 and £400 quoted on the forums)!

 

Many thanks for any help anyone can offer!

 

Yes you're right I'd worked out from Wikipaedia that it wasn't a "proper" P11 then forgot about the P144 facelift when I was writing the post!!

 

Thanks for the advice

 

I'll check that out, it may be worth it in the long term as I'm hoping to keep this car a while.