teknickle difikulty

JTesta1966 at aol.com JTesta1966 at aol.com
Fri Aug 18 12:48:57 GMT 2000


In a message dated 8/18/00 1:42:14 AM Eastern Daylight Time, 
InTech at writeme.com writes:

<< Working on a 94 Chev Pu here with Blower and TBI, 7427 4l60E....has
 been running well for about 4 years...Runs really poor now...I start with
 the basics and check timing and fuel pressure....fuel pressure is good but
 timing is 22degrees with est plug disconnected(should be 0)....so I attempt
 to move it back and it doesn't like it...dies every time....I notice on the
 diacom that the IAC counts down to 0 AND the diacom shows 2 >>

Check to make sure the magnet thingy plate hasnt spun on the distributor 
shaft. Seen that a few times. Pop the cap, see if the thing spins.  Symptoms 
include varying timing, sometimes it will run w/EST unplugged. It will sound 
retarded/advanced depending where the plate stops.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Jim  (FA) Testa                                             TType86 on 
#BuickGN
ASE Master Technician                                buick.fiendish.net:6667
L1 Advanced Engine Performance                    NJ Lic MV Inspector
jtesta1966 at aol.com                           NJ Lic Emission Repair Tech
http://members.aol.com/jtesta1966/buick.htm
Associate Sponsor, Buicks at Bristol (RCA/JTP)
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