Cheers, people: can you tell we spent most of last year in lockdown?
OK lets get crackling with the results:
Weaselbee trekked all the way from the countryside in her new to her MY04 prefl 5eat GT with GCG VF43, and thus got first dibs.
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Visual inspection revealed the engine needs tlc:
PS pump low pressure return oring required, I'd do Norma clamps on the low pressure hose both ends for good measure. Clean it all up including the block, then see if the pump is leaking.
Iirc the oring at the base of the oil filler was leaking: grab one from Subaru when getting the PS pump oring.
Iirc theres evidence of a pressure leak at the bank1 rhs cam position sensor: easy fix and I have the oring size noted somewhere.
The engine has the usual idle miss, so I'd be checking the injector seat seals and upper & lower (of the injector risers/aka TGV (no TGV's in prefl GT)) inlet manifold gaskets.
The turbo has definite evidence of a waterfall of oil on the compressor cover: check PCV, oil drain for kinks, inlet pressure test to see if any PCV hoses are cracked etc, crankcase pressure test at idle seemed OK.
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We peeped the exhaust avcs area on both heads: its covered in wet oil both sided.
This suggests a leaking exhaust OCV or exhaust cam sensor oring, or the flat gasket on the exhaust OCV manifold:
Its a "take action immediately" as this oil inundation can saturate the loom and work its way throughout the loom to other sensors and indeed the ECU.
Otherwise the log indicates AVCS is working perfectly! Yay!!!
The car has aftermarket silicone inlet & throttlebody hoses: awesome, but requires the stepped adapter bell between inlet pipe and short fat bit.
The stock intercooler has mashed fins so it needs replacing asap, regardless of whether its (probably) leaking or not.
https://www.dropbox.com/s/qh18nvs97j0jk ... a.csv?dl=0
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The LV tells the story: what looks like idle and boost leaks maxing out fuel corrections, IAM has dropped due to knock.
I didn't log fuel corrections alas but the LV makes up for that.
If it was my car I'd get the inlet pipe adapter, a new oem MAF (on km) a working tmic, fix those orings, use an ebay UV dye kit in the oil, inlet pressure test it: extensively, and then see if the intake manifold should come off to refresh all the things: if required.
We logged per cylinder misfires: none
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MegalogviewerHD. Despite all the weirdness the car runs fairly well: Subaru's knock control strategy at work!
Personally I'd be taking things easy though
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See how well AVCS is doing? I'd be happy to not log that (or misfires) except every few months to check.
Sean, or any other actual expert could probably explain it better than I but my unserstanding is that since fuel corrections are maxed in two ranges, FBKC is very active... I'd love to apply the fixes to this car and see it improve.
If youse wanna comment or reply about this car: quote the next post please!
