Greetings Scotty and everyone reading this!
I have Seat Leon ST 2.0 TDI 150HP 4-cylinder engine(common rail) from the VW engine family EA288 , DFGA engine code.
It has zero scanned codes via OBDeleven, mileage is almost 76 000 miles(circa.123 000 km, I am from Slovakia)
I. e. : The engine could be found in VW golf mk7
I experience my car to accelerate less vigorously and I would like to mend the condition of my car.
My MAF sensor reads 6 grams/sec on average on idle speed 780 revs/min.
How can I check the values to reference ones from the manufacturer? What should be the ideal lambda values or some other values? I would like to add an oil catch can, because the Vent breather hose was oily when I opened it... probably the cyclone oil separator doesn't work well enough.
my diesel consumption rose by 0.2 litres per km
how to restore the vigorousness of the turbocharged engine?
first time I bought the car, I forgot that I need to change oil every 5k or 7k miles and changed it around 10k miles.
Thanks for any info and help!
Peter
Well, those figures are dependent on many things and barometric pressure the temperature outside the humidity outside all kinds of stuff. There's no real chart you can look at unless you compare all those things together. But for my experience of those often the turbocharges themselves wear out, especially the waste gates. Then they don't turbocharge that well
Update:
So I have added Pro-Tec Oxycat additive into the fuel tank and it really helped, but the fuel consumption is still higher then it was.... (was 4.4 litres per 100km, now it's 4.8)
I tried air intake spray hose cleaner, idk, maybe it helped a little bit.
Today, I have tried to clean Bosch MAF sensor, but one screw from underside was missing there and there was like 0.8 mm clearence between the flanges. maybe it was sucking bypass air and tweaking air fuel ratio ::/
then I took out the sensor and tried to clean it up from air-particles. Not sure if I done it correctly. Because the specific air mass is 250 mg/stroke and the readings of warmed up engine @ idle was around 290mg/stroke @ 770 Revs/min. Air intake pressure was 88kPa and ambient pressure 100kPa(1Bar)hmm, don't know in PSI.
I have live data Screenshoted, but doesn't yet know the relationship between pressures, temperatures and other sensing data.
the cleaning of MaF probably didn't help, but maybe a tiny bit. I wonder if the hot film air mass sensor is permanently damages, either by infused or scratched air-particles on the surface of the sensor or what... Would a new MAF show air mass near the specified value of 250 mg/stroke?