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Originally Posted by madjeygirl
we own a 1995 4dr 4x4 , with a vortec4.3 cpi,
blew the head gasket, got the heads checked all good, all new gaskets, new filter etc, put it all back together and now it wont start. it will turn over but will not start.
the fuel pump is working,
the is no spark at the coil
battery charged? yes
engine cranking speed sufficent? yes
over half a tank of gas yes
OBD system check.. No
i dont believe that the injectors are working,
checked wires, no pulse at all getting to the coil,
no pulse getting to the injectors.
coil checked out fine.
any help would be great, suggestion, a match what ever.. thanks!
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First thing we need to know if it is a PCM computer behind glove box or a VCM with the later ign system.
A vcm computer will be on the right fender under water tank.
Let us know which one it is.
Check all fuses and make sure everything is pluged in and hooked up good.
Then go for 12 volts getting to the coil.
MT