My sonic started pulsing after a couple minutes of it starting about a month ago and a couple weeks ago it finally threw a check engine light and two codes one being a p0171 system too lean bank 1 and a p0496 evaporative emission system high purge flow so I replaced the o2 sensor and the evap purge valve and I'm still having the same issue as before where it runs then the motor acts like its pulsing..I cleared the codes it had and they haven't come back but its still doing the same thing I also filled it with gas and it ran really rough and acted like it was going to die rpms dropped multiple times I'm at a loss ive replaced the spark plugs the 02 sensor and the evap purge valve and at a loss of what else it could be...
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an alternative browser.
You should upgrade or use an alternative browser.
My 2017 Lt 1.4L is surging at idle
- Thread starter pfish1927
- Start date
Rough idle in gear while stopped...
Rough idle in gear while stopped...SOLVED EDIT: I started this thread to request guidance/knowledge for my own idle issues after reading all the idle threads here and on google without success. After extensive research of various systems in our 1.4L turbo engine, I've come to the conclusion...
www.sonicownersforum.com
Latest posts
-
-
-
Cooling Fan and A/C Malfunction 2014 Chevy Sonic 1.8L
- Latest: Amish_Country_Sonic
-