2000 crown Vic. will not start after I replaced intake manifold, it will roll over jut won't fire. I replaced the crank sensor, it's sending fuel. I tested the injectors with noid light all working.
Check around your ignition and wiring make sure you didn't forget to plug in connectors. Make sure you have Spark as well. As well if you don't have a ground connected it could cause this same problem.
thats a good answer from JRKPerformax
Also, recheck all of your vacuum lines for one either on the wrong pipe or not connected.
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