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also try the fuel relay. its in the fuse box under the hood. and try replacing the battery, i had a problem very similar to this and it turned out the battery was the culprit. the air ride beats those batteries up especially if the compressor is getting worn out
If it will turn over, and not start, you are missing either fuel or spark...Those need to be checked. (No fuel doesn't automatically mean bad fuel pump, as injectors need to "fire" the fuel.)
If it won't turn over, or clicks, and your battery is good, it might be the starter motor.
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!
DOES IT HAVE POWER/ A GOOD BATTERY? IF SO CHECK & SEE IF IT IS GETTING FIRE OUT FROM THE COIL PACKS,THE QUICKEST WAY TO SEE IF IT IS FIRE OR A FUEL PROBLEM IS SPRAY A LITTLE STARTING FLUID IN THE THROTTLE BODY,& IF IT CRANKS & THEN CUTS RIGHT BACK OFF ITS A FUEL PROBLEM,FUEL PUMP FUSE,FUEL PUMP RELAY,OR FUEL PUMP,& OR FUEL FILTER, IF ITS NOT GETTING FIRE IT COULD BE A CRANK SENSOR, A CAM POSITION SENSOR,COIL PACK(S) OR A FUSE OR RELAY.
Is your battery good? fully charged? It could be ignition or distributor module. Might also want to check the crankshaft position sensor.Check your fuses/relays for fuel pump and make sure your fuel pump is coming on when your key is turned to the on position.
If you're car has been running fine, then suddenly won't start, the cause is frequently that the fuel pump cutoff has been tripped. Open your trunk, and look for a label for a fuel pump cutoff switch. Locate the switch, press it in, and see if the engine will start.
if car wont start.make sure your battery volts are 12.5.if not charge battery.or replace it if dont hold a charge.if battery is good engine wont turn over.make sure battery cables is clean and tight if all good no start .have starter and starter solenoid check.if battery and starter is good.check for fuel .has some one turn ignition to the on position.go to rear of car listen for fuel pump noise.if your hear fuel pump check ignition system for spark.go to auto parts place buy a spark tester.if you get no spark .check .ignition fuses and ignition module.if you hear no fuel pump.replace relay or fuse.if if fuse and relay good replace fuel pump.if every thing good .your car could have crank sensor problem. or your car is in theft deterrant mode.if so have your car towed in and scanned.