3800 motor swap, computer trouble

[David A. Cooley]

At 09:25 PM 5/8/99 -0400, you wrote: 
>
> Hey all.. I just finished up a 3800 series II supercharged motor swap..
> putting that motor in a 1988 buick lesabre T-type that had a 3800 series I
> code C motor. I have gotten two codes that are confusing me.. the first is a
> "est circuit fail" ... the new 97 ignition coil has been used with the old
> computer... and yes, I"m using the old computer at the time... the other code
> that is on there is "quad driver failure" code. I don't know if that is
> related to the egr codes which I also have... but am not concerned about
> right now...
> does anyone have any detailed info on those two codes, why they would show
> up, or what the common problems related to them are?
>  
> BTW.. I have checked the knocksensor wires to ground and get a resistance of
> 3.9ish kilo-ohms... so I know that there isn't a short to ground there.. and
> I took the two knock sensors on the new 97 motor... and tied them together...
> Any help is much appreciated , and thanks in advance all! just trying to get
> as much input as I can so I can drive the car.
>  



Kevin,
Tying the 2 knock sensors together may be the culprit... The PCM is looking for
a specific load and now it's doubled.

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           David Cooley N5XMT           Internet: N5XMT at bellsouth.net
     Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
   Sponges grow in the ocean... Wonder how deep it would be if they didn't?!
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