Cold start issue / running rich..
New FPR, new CTS, checked all vacuum lines.
Cold start barely runs have to hold revs higher for a minute..
VCDS.. cleared stored values.
001..lambda around -10% idle
Unplug MAF goes to -25% idle
What else can I do? Check? Before I get a professional on it...
Put back together today.. new lambda fitted...
lambda control measure block 001 values changes while engine running
New boost gauge - fixed vac leak on manifold, and now have nice -20 vaccum at idle! Rev and goes to 0.
Still not showing any fuel trims but not sure if these will come up...
Found the tiniest of holes of my intake manifold yesterday. Couldnt hear it but had my hand down by the hoses double checking and then felt cold air from somewhere an found it. So fixed that
Also got new lambda to fit today
Fingers crossed we see some difference now
Thanks bill sounds like il be in contact this coming week if i carnt figure it out here.
Some photos of vcds today...
Things that i think are weird..
Boost pressure? Are the figures correct? This is all at idle! The right hand number slowly climbed when i unplugged MAP sensor
It is reading...
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