racing96gt

my my gt i took the throttle body off and inside it was a sudy black all inside and the egr valve was black to. can anyone help please. thanks

racing96gt

i know someone has to know, come on guys.

racing96gt

i know someone has to know, come on guys.

90lxstang

So your TB is just dirty? Get some carb cleaner or something similar to clean it out with. Check your IAC (idle aid control valve) while you'r at it also.

racing96gt

well i assumed they get dirty but this is a like a thick black and can anyone tell me what these codes mean, p1507,p1443, thanks

99na

blow by

blackstallion666

code 1507 is for idle air control underspeed error.
cleaning the iac valve may fix this code.

for code p1443 is for evap emission control valve (low or no flow)
this valve may be cloged or have a damage vacuum lines or loose evapconnections.

93_five_oh

all the black stuff in the egr and tb is carbon build up from the exhaust gas, i believe

racing96gt

well the dealer ship said it was two o2 sensors bad(bank 1 sensor, bank 1 heater sensor) and the purge control soleniod. would that bethe carbon build up and would it be making it smoke out white smoke on both sides. (the white smoke is nothing major at all, ive the the test)

racing96gt

oh yeah and ive done the iac mod and i believe that might be the carbon build up to