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2nd Gen Ram Tech1994-2001 Rams: This section is for TECHNICAL discussions only, that involve the 1994 through 2001 Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
I just replaced fuel pump ( cuz I broke it ) same problem cranks but won't start. I took out precat o2 still no change. I will go buy a fuel pressure gauge.
Well you have fuel preasure and spark, just not getting fuel to engine.
Sounds to me like injectors are not working.
It could be bad cam sensor.
DId you check to see if there were any trouble codes?
Have you done any other work on it before this started?
Check distributor cap and rotor. Check cam sensor inside disty and make sure it is secure. This controls injector pulse. Make sure electrical connection is good. Does cap and rotor look clean?