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GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Chevrolet S10 4x4: Chevy 4.3 cranks but no spark from distributor

Customer Question

Chevy 4.3 cranks but no spark from distributor but +10 coming from ICM.injectors do not pulse either.
Submitted: 2 years ago.
Category: Chevy
Expert:  Gary replied 2 years ago.
im sorry for the long waitthere is NO spark out of the coil ?if no spark out of coil if you unplug distributor 4 terminal connector and crank it over will you get spark ?if no spark unplug the 2 terminal connector at the distributor with the key ON do both terminals in that connector you unplugged from the distributor show 12 volts ?