What do these Durametric number's mean
 

Hello,..Like so many of us, I got the usual emission codes,..1128,1130,1137..also got the 4460 code

my MAF number's at idle and full temp of 180,..is MAF=bouncing between 10-11 kg/h
MAF sensor = 1.23 . I dont understand these number's, are they close to spec. ?
my Ign timing said 2.3 MS and my cam deviation is bad at bank 1 = 9.28 2. = 4.19..was hoping to get thru emissions not sure thats possible with my Cam deviation Number's...is it ?

PS with engine running, I did spray carb cleaner around the whole engine, intake boot's,Injector's, base of intake tube's or runners Etc NO change in Idle.

Thank's Frank

Does the engine run better when the MAF is disconnected? If so you could have a failing MAF. It sounds like you should chase down an intake leak, though. I recommend that you pick up a smoke machine (or DIY it), smoke the intake, and see where the smoke is escaping.

Those cam values aren’t great, but my engine is at -8.25 and -6.25 (I’ll be replacing the pads soon) and has no check engine lights and should pass smog.

Thank's 986lp,The car runs great, But after about a Hr of driving that light comes on,.I will get a smoker,I had a home made one,Maybe it was not strong enough to push the smoke thru the system Bc I didnt see any smoke anywhere. Thank's Frank

i just ordered a tool to measure cam deviation and i just replaced variocam pads and updated the 3 tensioners, so i will provide some data for comparison ( 2001S 170K km )

Thanks Iceman,..I appreciate that,..Frank

TOPDON 500 was a toal bust

it got here , i measured it , data showed from 2 cam sensors but was totally non interpretable data.

Back to square one for me, guess i have to find someone with durometric or a foxwell and compare data.

Ahh Bummer,..Thank's for the effort !!...Frank

I have TOPDON 600 on the way .. never give up hope lol..

:D Thank's !