TPI and idle adj....

mrvette

Phantom of the Opera
Joined
Mar 24, 2008
Messages
15,194
Location
NE Florida
L98 basic setup, cam/chip change back to L98 cam mostly the thing runs GREAT...but every once in a while engine dies when hot and pulled into gear at a traffic light....

I have a old code reader that talks to the old speed density computer and can give a number the idle air is supposed to be set at...

but I dunno that number....it has to do with the throttle minimum opening set screw, like on a carb....

I can read the numbers, just dunno what region is correct for the car...

:crutches:
 
Warm up engine. Disconnect hei bypass. Ground aldl to clise iac. Remive iac conn. Start engine leave in p. Adjust idle stop screw to about 450 rpm. Reconnect stuff, idle shouls be 750+ in gear.

Iac pos should be around 20 with the sd ecu if I'm not mistaken

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