Quote:
Originally Posted by mdmm
I paid to the mechanic.He took out EGR valve and cleaned egr valve and its tubing with spray and then pressure wash.He put it back.After one day i did not get the codes po441 and po446 again but i got new code po401 ??
Please let me know what is it.My gas cap is tight.Do i need to replace with new gas cap or should i replace the Exhaust drum on back of my Camry-2000,4cyl, 150000KM .
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P0401 is EGR LOW FLOW
You probably need the EGR modulator and VSV.
P0441/p0446 has nothing to do with the EGR. They are evaporative emissions codes. It is probably the CCV valve located on the air cleaner housing. There is a TSB for that.
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