PO173 code. need help
#1
PO173 code. need help
so i have a '99 ml320. the check engine lights goes on and off sometimes. checked the vehicle for codes. got back a PO173 code. can someone elaborate as to what possible cause(s) that may be? i checked under the hood to see if anything was out of the ordinary. i found out that my passenger side valve cover gasket is leaking. might that set off the code?
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