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UPDATE! i did check live data on misfires and it misfired alot on cyl 2 and very few on cyl 3 so i tried swaping plugs and coil but with no progress so my only thought was ''well the new services injector must be bad'' on cyl 2 and cyl 3 so i was gonna try to swap them with 2 of my old ones that i know is in working condition but when i remove the intake i notice cyl 2 runner flap was very melted so that must be the problem, so now i just need to order a working manifold and see if the problem will be fixed after that...
Honestly at this point just get one of those ebay/aliexpress runner flap delete kits and re-map your car for an RF delete. If you dont remap, you'll have cold start misfires.
Good thing you caught it in time tho. If the engine sucked it in, it would have been very bad.
Still, I would do a compression and leakdown test on that specific cylinder. I have a hard time accepting that only cyl 2 got melted while the rest look fine. Maybe a valve isnt closing properly and exhaust gasses bypass back into the intake? Or worn out/pitted camshaft lobes are messing with the valve making it not seal properly.
yes, the plan is to check the compression and build up on cyl 2 and i will do flap delete on the other intake that i will buy. maybe a dumb question ticking lifter on these engines cant cause exhaust gases in intake right? cause i have 1 or 2 ticking lifter that im was gonna take care of in like 2-3 weeks when my colleague is back at work, and i can mention that the day all this happend i was crusing at 160kmh and the car started misfire like crazy on cyl 2 and i had to drive for like 5-10 min at 80 kmh behind a truck until nearest truckstop, couldnt that overheat and melt the plastic?
And with the sump/pump dropped, you should go ahead and install a "Wasa Motor Oil Pressure Fix".
https://wasamotor.com/shop/vw-audi-skoda-and-seat/tfsi-2-0-ea113/oil-pump-balance-shaft/wasa-oil-pressure-fix/
UPDATE! i did check live data on misfires and it misfired alot on cyl 2 and very few on cyl 3 so i tried swaping plugs and coil but with no progress so my only thought was ''well the new services injector must be bad'' on cyl 2 and cyl 3 so i was gonna try to swap them with 2 of my old ones that i know is in working condition but when i remove the intake i notice cyl 2 runner flap was very melted so that must be the problem, so now i just need to order a working manifold and see if the problem will be fixed after that...
