addi monster

iTrader: (6)

To start, the car is a wrx uk bugeye,

symptoms, irratic idle

Today we plugged the car in and it threw up the maff code so we tried another one and it was still the same, then we checked for air leaks and found none, we sprayed etha round all joints ect to see if it was sucking air and it was not .

puzzled,

we then plugged it into the laptop and saw it was running 18afr on idle witch is lean, the fuel correction was at 25% (maxed out) the lambda was giving a reading so assumed this was fine,. the maff we tried was a spare from a mate so not 100% sure its ok,

any thoughts would help,

steve.

alcazar

iTrader: (2)

As posted, still sounds like the MAF.

RICHARD J

iTrader: (4)

I'm no tech God, but I'd still suspect MAF or an air leak. 18 AFR on idle is way too lean. Have you got a spare lambda sensor to try aswell?

addi monster

iTrader: (6)

Im thinking that too jef,
another mate has a 05 blob wrx are the maff's the same as im sure they are, thought being try his in the morning,.

tubbytommy

iTrader: (20)

its the stickers causing a fail of epic proportions, oh hold on this isnt fight club, so i would suggest maf or air leak too

addi monster

iTrader: (6)

The lamda is giving a good reading
although we did try to remove the lamda and try another one but its stuck so it may need the headers off to extract it,

addi monster

iTrader: (6)

no stickers on my bug mate

tubbytommy

iTrader: (20)

i would replace the maf if you can borrow one from someone to try before you buy one.

addi monster

iTrader: (6)

did that today lol, didnt work so i will try a 100% one tomorrow from another mate,.

RICHARD J

iTrader: (4)

OK if you're so clever why can't you fix it. How have you tested the lambda, & what is the switching voltage. Post your scope readings. You stated AFR 18 lean, if it's not the MAF or an air leak I'd be looking towards the lambda.

addi monster

iTrader: (6)

no need for that tone
we all need a little advice along the way

RICHARD J

iTrader: (4)

I'm always prepared to help as I'm sure you know. My remark was in reference to the green smiley you put next to my lambda comment in the quote which implied that I was talking c##p.