1997 Toyota 4Runner Q&A
1997 Toyota 4Runner Question: How much would it cost to replace the oxygen sensor on a 1997 4runner, Toyota
Depends, are you doing it or going to a garage. You need to get the code read so we know which oxygen sensor it is. - csubak30
$200 to $250 is reasonable. - PARTS GUY
Failed CA smog test, NO(PPM) levels were at 512 (MAX) 88 (AVE) and 747 (MEAS) which is what caused it to fail. Is this related to the EGR system? How much can I expect repairs to cost if it is th...