1. plumber

    plumber SHO Member

    Joined:
    Apr 16, 2009
    Messages:
    91
    Likes Received:
    8
    Location:
    mi.
    What tells the fuel pump to stop after 2 sec when starting car. My 1993 sho FP stays on
     
  2. rubydist

    rubydist SHO Master Staff Member Super Moderators

    Joined:
    Jun 25, 2007
    Messages:
    6,865
    Likes Received:
    2,718
    Location:
    Denver
    the pcm commands the fuel pump to stop until the car actually fires up
     
    SHOdded likes this.
  3. plumber

    plumber SHO Member

    Joined:
    Apr 16, 2009
    Messages:
    91
    Likes Received:
    8
    Location:
    mi.
    Thank you for responding. So if I have all pwr inputs and good grounds to pcm does that mean a bad pcm?
     
  4. blk\blk90

    blk\blk90 SHO Member Supporting Member

    Joined:
    Aug 26, 2002
    Messages:
    505
    Likes Received:
    180
    Gender:
    Male
    Occupation:
    Electrician
    Location:
    Amarillo, TX
    If this is the same car you've had all the other problems on, I'd say it's very probable.
     
  5. BaySHO Performance

    BaySHO Performance SHO Member

    Joined:
    Feb 25, 2001
    Messages:
    222
    Likes Received:
    195
    Location:
    SF South Bay
    Home Page:
    Might be a relay stuck in the CCRM. Try whacking it, or a replacement.
     
  6. plumber

    plumber SHO Member

    Joined:
    Apr 16, 2009
    Messages:
    91
    Likes Received:
    8
    Location:
    mi.
    Thanks. I have another one coming. Plumber
     

Share This Page

If you wish to help keep SHOforum running, please click the donation button below