Impala Forums banner

check engine light

  1. 3.8L V6 "EGR Insufficient flow" P0401 fix (not the EGR valve)

    Chevy Impala 7th Gen Discussion
    Just wanted to post this in case others have the same problem I did with the 3800 V6 in Impalas and other GM vehicles. The EGR insufficient flow code P0401 can be a bit misleading, at least on the 3.8L. Just because "EGR" is in the title of the code, that shouldn't be the first thing to...
  2. Dtc P2544/ 2012 chevy impala ltz 3.6l

    Chevy Impala Discussion
    2012 chevy impala ltz 3.6l This code triggered do not know where to start, any ideas? Just replaced purge solenoid, cleaned maf sensor, throttle body.
  3. 2008 impala issues help please

    Automotive Discussion
    i have a 2008 chevy impala v6 3.5 with 203,000 miles on it .have 3 seperate issues needing advice on how to fix . i had a check engine light come on about 3 weeks ago checked it with a obd reader and it came up as a large evap leak .so therefore i am having a hard time figuring out the...
Top