Check engine light -Hyper Flow | FerrariChat
Buy

Check engine light -Hyper Flow

Discussion in 'Technical Q&A' started by Gershwin, Jun 13, 2005.

This site may earn a commission from merchant affiliate links, including eBay, Amazon, Skimlinks, and others.

  1. Gershwin

    Gershwin F1 Veteran

    Feb 21, 2005
    6,415
    Kentucky
    #1 Gershwin, Jun 13, 2005
    Hey guys I wanted to get your opinion. I just took delivery of my 98 355 w/ fresh 30k service from Wade Nunez (Auto Corsa) and addditionally he installed Hyper-Flow cats from Nick @ Forza. When I received the car I had a Check engine light on (code P1448) and my "slow down" light has been coming on and off.
    Wade has been helpful and I have determined that the code is "Catalyst flap bypass circuit" not sure why I'm receiving this? I hope Nick can chime in as he too per emails is a bit puzzled.
    I just wanted to seek further input if anyone is aware why this would be happening and what to do.

    *One further note the "slow down" light seems to come on when the engine heats up and is exercised.

    Thanks,
    Stephen
     
  2. Nick

    Nick Formula Junior
    Sponsor Professional Ferrari Technician

    Oct 31, 2003
    506
    Full Name:
    Nick Scianna
    #2 Nick, Jun 16, 2005
    Last edited by a moderator: Sep 7, 2017
    Chances are the thermocoupler that is on the muffler is the problem, possibly damaged. It is located on the top of the muffler where the by-pass valve is on the 5.2 355 cars. (see picture below).The Hyper-Flows will in no way effect the check engine lights.
    Image Unavailable, Please Login
     
  3. BigSky355

    BigSky355 Karting

    Nov 8, 2004
    196
    Montana
    Full Name:
    Chris
    #3 BigSky355, Jun 16, 2005
    You have a relatively new 355 with a "fresh" major service flashing check engine and slow down lights. What does Wade Nunez say about these problems? Were these lights a problem after hyperflow installation and prior to delivery of the car?
    Chris
     

Share This Page