Q: 9 codes could they all be related?
My check engine has come and gone for 3 years always p0136 no obvious pattern sensor replace early on. This had led me to somewhat ignore the light that has been on steady the last monthish. Check today and it shows P0161,p0102,p0136,p0137,p0157,p0332,p0446,p0137,p0446. Looking into each i see that many are voltage related. Is there a connection? Ive also had 4wd issues that through forums i originally believed to be bad switch or poor ground switch replaced and cleaned ground still no help.
My car has 170000 miles.
My car has an automatic transmission.
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