91 ka24de 240 sx very weak engine power-no smoke

[audie buckner]

hello! been working on a 91 240sx-4 cylinder 2 cam.people said lost power.not eneough power to move car barely.must pump or push gas pedal to run.shakes car when lowest idle. will speed up to 3000 rpm sometimes.all cylinders 150 psi compression.all spark plug wires firing .cannot remove while running to test for cylinder firing.new spark plugs and wires and dist. cap &rotor.tried moving distributor positions.fuel very good flow&volume.removed valve cover. unsure about timing marks.special timing chain system.found only 2 cam gear marks and one silver chain link.some slack in chain.not sure if chain off positions.doesn't seem likely with double chain.found soldered wires under passenger side under hood relay fuse box.not sure if computer system is functioning.tried 5 used maf sensors in throttle body pipe and one on the car appeared near new nissan part.no affect. help! thanks!

[audie buckner]

figured it out! all 4 conectors were not pushed on completely on the fuel injectors. runs near normal now!