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Need to find out if there is spark while cranking first. Check at the coil wire first then at a plug wire.If there is spark at the coil and not at the plug the fault is the rotor or dist. cap.If there is no spark at all,suspect the ign. module. If there is good spark move on to the fuel pressure check.It needs about 40 lbs. to run.
Did you check your CKP and CMP power wires for a short to ground? Short to ground up stream might be pulling the voltage low from the PCM. Also.. have you pulled up the underhood fuse block just to see if there's any rodent damage to the wiring under there? That's a pretty common spot for rodents to cause problems.
check connections at battery if engine turns over need to verify if you have spark if not an ign problem exhists check to see if fuel is flowing if not a fuel pump problem may exhist. make sure your battery is fully charged
why you have replaced the Fuel pump? who advised you to do so?
be guided as follow
1. on the Engine Side on the top there is a fuel rail for the injectors. turn the ign. key to the second position (on) and check the valve located on the fuel rail if fuel is coming pressurized and still won't work. then open on of the spark plugs wires and check if spark is there. (Be Careful doing that). if no spark then is there any message comes up on the Dash? if not messages then you can check the Crank Sensor if no current being generated from the ign. coils.
well if spark quits fuel usaly will to computer will do this to stop cadilac converter from filling with fuel!and causeing a fire saftey feature!!!!okay disconect battery wait a couple of minutes reconect! turn key on postion do not start or crank!off then on until you hear a GRRRRunt that is your fuel pump that is what you should hear turn your head to the right towards back seet and once you hear it that means pump is good then crank it then spark should quit if the coil packs a r bad then you have your problem if so test for spark also if you have eng light on cut the case hook up obd 2 scan find the fault and fix THIS IS WHAT I WOULD DO CHEERS!
Pull one or two sparkplugs and check them for moisture; not fuel, but for water beads.
I don't know how long your engine ran after losing coolant but there is a chance that you lost the head gasket and have gotten water into the cylinders.
fuel pump is working?and how about spark ign coil? I recommend investing in spark tester! also sit in side windows up nice and quite turn key all the way do not crank it! do you hear grrrrrr that would be your fuel pump no grunt no pump if so!! I would consider looking into no spark if I were you good places to start!
Do you have a tilt wheel? If so you're only half the way there. The upper actuator is broken. And you got to get into the column further. As for the trick to get the cylinder in. Don't matter if you got a tilt or fixed wheel. Go to the top side of the column. About 2/3 the way down it you'll find the Ign Switch. A rod will be coming out of the top going towards the wheel area. Push it into the switch till the inst panel lights come on. That means that the Ign switch is in the 'ON' sopition. IE all the dash panel lights come on. There is a key on the tumbler that matches to a key in the ign gear. Than just incert the tumbler into the gear and turn it to lock it in.
If you got a non-tilt wheel then it sounds like the bottom of the tumbler is broken off and is still in the gear. If so do the same as above with the Ign Switch. That will align the key so you can take the broken part out and put the new Ign tumbler in.