check fuel pressure, that is a symptom of fuel starvation, or inconsistent fuel supply, you never know what might have happened during the swap.
the computer in the 98 is looking for the crank position sensor when it don't see it it thinks the engine isn't running
The crank position sensor is located on the front of the engine, behind the lower crank pulleys.
look at the front (with the pulleys) of th engine
On a 4.0 V-6 the crank position sensor is in a fixed location and cannot come in contact with the crank if it is installed correctly.
change the injectors you could have plugged injectors.
the crank sensor is located behind the main accessory drive pulley which is installed at the end of the crankshaft you have to remove the pulley and the plastic cover that covers the timing belt
There is no adjustment, Factory sensor is made so when installed there will be .050 clearnce between senor and tab.
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The sensor is on the back side of engine at the lip of the oil pan put installed in the engine block.
It does not have a crank case sensor.It does not have a crank case sensor.
A 1995 blazer does not have a crank sensor. SORRY
3.1L dont have a crank sensor
That year did not have a crank sensor.