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Discussion Starter · #1 ·
Good day all,

let me pick your minds because mine is out of options.

Have a 1993 ZJ with a lot of miles on it (398000) ut was doing ok until i heard a knock in the block, wanted to fix it and a friend offered me another block. Witch ran when came out. Took the old engine out switched all pumps intake and all over and installed. after connecting everything I have a no start. I have sparks have fuel and it cranks over strong but will not start.
Does anyone have any idea ???????????
 

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The crank position sensor controls the injectors. The cam position sensor in your distributer is what controls the spark. You can check the CPS with an ohm meter by checking the return voltage while you crank. It should go from near zero to 5 and back
 
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