Need help

[Ludis Langens]

lunapark at perigee.net wrote:
> 
> As I am new to the list, I hope this is going to the right place. I have a Fiero
> that came with a 2.8 v6, I have replaced the block with the engine that is the
> 3.4 60 v6. In the morning when the car is cold and the engine is in open loop,
> the car can not figure out what to do with itself. Once it goes to closed loop
> it runs fine. I am using 3.4 injectors. I am either receiving too much or not
> enough fuel and the air mixture is all off because of the change in displacement.
> Can anyone help me get a chip modification so that when the car is started it
> runs the codes that would be on the 3.4 car like a 95 camero, and when it goes
> to closed loop it behaves like it it suppose to.  If I am not in the right place
> someone tell me.

Here's what Ed Parks mentioned about this a long time ago:

  Fiero 2.8 ECM, 3.4 injectors, 3.4 engine:  ECM injects too much fuel
  Fiero 2.8 ECM, 2.8 injectors, 3.4 engine:  Not enough fuel

You'll either need to play with the fuel pressure, or make/get a custom
chip for the Fiero ECM.

-- 
Ludis Langens                               ludis (at) cruzers (dot) com
Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/


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