Rough at Slow Idle
Posting Guru
Joined: Jun 2004
Posts: 1,781
Likes: 1
From: Central NY
Codes can be found here: http://fordfuelinjection.com/?p=45
173 = HEGO sensor circuit indicates system rich (right side) - Check fuel pressure, O2 sensor, vacuum leaks. Replace as needed.
334 = DPFE or EVP circuit above the closed limit of 0.67 volts. - Test/ Clean EVP. replace as needed.
Do you need assistance with testing?
173 = HEGO sensor circuit indicates system rich (right side) - Check fuel pressure, O2 sensor, vacuum leaks. Replace as needed.
334 = DPFE or EVP circuit above the closed limit of 0.67 volts. - Test/ Clean EVP. replace as needed.
Do you need assistance with testing?
