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2003 S-10 4300 Vortec no start Need Help!

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This truck just quit.It did start once after it died but that has been it.

I have checked everything I can think of.

Here is the list.

all Fuses ok

Fuel pressure ok Have fuel pressure when turn on the key.

Power to coil and ign. module but no spark

Checked wires on crank sensor.

Pulled dist cap and checked timing and rotor.ok and yes the rotor turns with the engine.

Is there any way I can check the computer?


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