Oxygen Sensor Warning Code

Hi, My 1994, 940 w/Regina fuel system, indicates code 221 Installed new 3 wire replacement sensor, erased codes... ok for one day...again code 221 appears. Any suggestions? Thanxs.

Reply to
proaire
Loading thread data ...

MotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.