Re: Weird running 86 4KCSQ

[Autobahn01@aol.com]

In a message dated 96-10-29 17:23:10 EST, MERLYNP@tc-mankato.scm.tec.mn.us
(Merlyn Plotz) writes:

>The symptoms;
>1. Needs to be cranked a long time on a cold start 
>    (10 - 15 sec).
>2. Does some RPM hunting after it starts - cycles
>    3 or 4 times before settling out.
>3. After driving 6 or 8 blocks, the car will idle very
>    roughly. Sound as if only half of the cylinders are
>    firing - only when the want to. Sounds as if the 
>    timing is off - Bang! Pop! Sput! Choke!
>4. Trying to rev the engine produces no dependable 
>    power. Only when I floor the accelerator can I get
>    the RPMS to build to any extent.
>5. Sometimes it will then clear its throat and run reasonably
>    good. Until the next time.

OK, I'm up for a wild *ss guess...

Is the fuse for the FI computer intact? It's in that side rail next to the
main row of fuses. Other theory might be periodic loss of power/contact at
the differential pressure regulator.

Anybody second the motion?

Regards,
-Chris Semple
autobahn01@aol.com
Concord, NH
     '87 4000csq
          '84 4000sq
               '83 TQC
                   '83 TQC