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+--- Thread: Stage 2 Maf problems? (/showthread.php?tid=25567)
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Stage 2 Maf problems? - dr_jekyll - 28-07-2014
Right.
Current mods are free flowing exhaust system, egr delete, 2.25" to 3" fmic, air-con delete, 1.5 bar on stock turbo, cg ceramic paddle clutch, ram air cone filter and a stage 2 whippy map.
[attachment=17991]
I've recently realised that if I unplug my maf I seem to be getting better fuel economy and running quicker than if I have it plugged in. Is this shouting out naffed Maf or just the fact im lacking a decent cold air feed in our recent warm weather?
RE: Stage 2 Maf problems? - Midnightclub - 28-07-2014
Sounds like the MAF is shot, but it probably would run even better with a stock airbox with the cold air feed as the cone will be sucking in a fair amount of hot air off the rad
RE: Stage 2 Maf problems? - jammapic - 28-07-2014
Busted MAF. Either replace it with a known good one, or have it mapped out.
RE: Stage 2 Maf problems? - Poodle - 28-07-2014
That filter might be too restrictive, worth checking before shelling out for a maf imo.
RE: Stage 2 Maf problems? - jammapic - 28-07-2014
I did wonder whether that filter may have spunked all it's oil all over the maf....
RE: Stage 2 Maf problems? - Toms306 - 28-07-2014
It looks like a dry foam filter to me?
RE: Stage 2 Maf problems? - Poodle - 29-07-2014
Yeah as above, I was more thinking of it being too small.
RE: Stage 2 Maf problems? - jammapic - 29-07-2014
Fair point, you are right. My ramair filters are the same. Dry.
I'll shut up.
RE: Stage 2 Maf problems? - Midnightclub - 29-07-2014
Those filters are pretty damn free flowing, i'd be surprised if it was being restrictive (other than sucking in hot air)
RE: Stage 2 Maf problems? - dr_jekyll - 29-07-2014
Cheers i'll try a new maf then. As for oil the brether has been removed from the inlet so theres no oil in the inlet (except turbo weeping)
Stage 2 Maf problems? - tb205gti - 05-09-2014
The maf is maxed out even on a stage1 remap.. Get your remapper to make it maffless or fit a bigger maf
RE: Stage 2 Maf problems? - Ican - 05-09-2014
Can't help with your problem but loving your engine bay.
RE: Stage 2 Maf problems? - jammapic - 06-09-2014
I've been an advocate of the MAF delete for a while, I got shot down when I suggested it a good while ago on this forum. I've had some good success with MAF removal on these cars... just gotta watch the smoke!
JP
Stage 2 Maf problems? - tb205gti - 06-09-2014
You will never master the smoke mafless on them. The needed maps are too small. Fit the original sendor in a bigger housing instead. 3" is a good size.
RE: Stage 2 Maf problems? - Slam Wagon - 06-09-2014
Ive got a 2.2 hdi maf. 80mm diameter and bigger perameters i belive, will have to ask pro_steve about that though he figured it all out.
Stage 2 Maf problems? - tb205gti - 06-09-2014
I'm pretty sure Steve still misses a few limiters in his 'bigger MAF remaps'
RE: Stage 2 Maf problems? - Slam Wagon - 06-09-2014
I think mine was the first he did, if you know more im sure he and i would love to know to help fine tune mine any more
Stage 2 Maf problems? - tb205gti - 06-09-2014
Sure, send me the file, I'll take a look at it.
RE: Stage 2 Maf problems? - jammapic - 06-09-2014
No offence slam wagon but that isn't very sporting sending someone else's map to another tuner. I would ask steve first tbh.
If anyone can sort it though, tb can!!
RE: Stage 2 Maf problems? - Slam Wagon - 06-09-2014
I dont have a copy, only he has. I was just asking if he could share some knowlege as he seems to have more, especially than me.
And your right jp, as far as im concerned thats his property, his creation.
RE: Stage 2 Maf problems? - jammapic - 06-09-2014
Yeah, that's the right way to look at it.
RE: Stage 2 Maf problems? - dr_jekyll - 07-09-2014
May have to give the 2.2 hdi maf a try then
been bit busy painting atm P.s cheers for the bay love lol
Stage 2 Maf problems? - tb205gti - 07-09-2014
Iirc the 2.2 maf does not give you much more measurable flow. Fit the original sensor in a 3" housing, like the 2.8 housing.
RE: Stage 2 Maf problems? - dr_jekyll - 07-09-2014
Will the map have to be changed for this?
RE: Stage 2 Maf problems? - jammapic - 07-09-2014
Yep. It will
RE: Stage 2 Maf problems? - dr_jekyll - 07-09-2014
Even if i fit the 2.0 maf sensor in a 2.8 housing
Stage 2 Maf problems? - tb205gti - 07-09-2014
Yes, more flow at the same voltage.
RE: Stage 2 Maf problems? - dr_jekyll - 07-09-2014
Ok cheers
jammapic, what sort of magic could you work for me then on the setup im running?Full straight through
Cg paddle clutch
Stock turbo on 21psi
Aircon delete
Ram air filter
Oil breather deleted from inlet
a custom maf (or maf delete if better)
2.25" piping to 3" intercooler
Currently in the ball park of 160bhp 290lbft on a whippy stage 2 map
RE: Stage 2 Maf problems? - jammapic - 07-09-2014
To be honest, without it being really smokey I think you are about where you want to be. Most I've seen from my maps on that setup is 301lbft and 174.9hp.
RE: Stage 2 Maf problems? - dr_jekyll - 07-09-2014
Ok, cheers for the advice fella