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hi, i'll be happy to help in any way i can.
sorry to hear of your misfortune :(
thats a lot of miles for an 8 year old kia.
they didnt build them as well as they do now.
having said that, the most common cause of all that you describe is a bad mass air flow sensor.
the gutted cat i should think would also be of concern, re: your next smog test.
also the back pressure, pieces of the previously plugged cat clogging the exhaust system??
does that help?
Yes that is a lot of miles.
I went to a yard and pulled a mass airflow sensor off of an 03. Will that one match up with mine, it looks identical but the numbers are not the same.
The back pressure, the results that I got are they indicating excessive backpressure or is it normal for the backpressure to climb when revving and then drop. At steady idle it stays at or about 1psi.
Also, is there anyway that I can test my MAFS on the car?
I have tried to reply, but I have not gotten a response
poor service, ouch, because i'm not around on a holiday.
anyway, the maf sensor should be ok.
stills sounds like a lot of back pressure, i think i'd like to run it with the exhaust unorked and the maf sensor, just to see where were at.
2003 Jetta left rear window blue plastic part of the