1998 chevy truck 350 engine wont start

Asked by Allencf Jan 23, 2020 at 02:35 PM about the 1998 Chevrolet C/K 1500 Cheyenne Extended Cab RWD

Question type: Maintenance & Repair

two days ago the truck started running bad. i took it to auto parts and the
code came back as bad ignition module. i took it out and got it tested and it
showed low rpm bad. I thing this was an old issue as sometimes it didnt want
to start now and then on the first try but second try it fire up. any way the
next day i put the new control module on and now it wont start at all. i took
the module off and got tested and its good. put it back on and it cranks over
but wont start. it sometimers tries to start or poofs back threw the carb. the
distibuter was 1 year old But i put a new cap and rotor on it and it still wont
start. i inspected all the wireing and it is fine . i tried using starting fluid to see
if it is a fuel problem and it still would not start. if i advance the timing is binds
when crank and delay the timing it cranks freely. the crank position sensor
was replaced 4 months ago along with the spider injectors assembly. its
been running fine until 2 days ago. is the coil bad hall fax senso bad. crank
position senso bad. the only code i am getting is high voltage at the ignition
module. i done know what is causing that.

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