EPC light and check engine light on

Asked by Sep 06, 2019 at 01:47 PM about the 2007 Audi A4 2.0T Sedan FWD

Question type: Maintenance & Repair

I have a 2007 Audi A4 with 76k original miles.. my
epc and check engine light keep coming on and
we can’t find the problem.. I’ve changed multiple
parts on the car to trouble shoot the problem..
parts changed Include throttle body, o2 censor,
high pressure fuel pump, gas injectors, coolant
censor, spark plugs and coils..  what am I
missing?! It’s starting to add up and at this point I
feel I must fix cause I’ve invested so much on it..
any input will help.. thanks

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