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check fuel pressure.sound like fuel pump not working.fuel pressure should be 41 - 47 psi. if not replace fuel filter, still too low pump faulty, if you not getting fuel pressure, pump still not working check fuel pump fuse and relay.code scan car first look for fault in pcm.it controls the fuel pump relay and fuel pump.
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.
no. the relay has nothing to do with your problem. have someone check your psi on your fuel pump pressure. it could be the beginning of fuel pump problems.(GM was notorius on these models). Do not; I repeat, do not allow an Airtex pump on your car. You will have problems if you do. Carquest carries Delphi(OEM) pumps. Trust nothing but those.
If the security light is flashing when the key is on then it is the passport 2 anti-theft system. You need to turn the key to the on position (one away from cranking it over) and leave it until the light goes out. Then turn the key off, remove it, then try to restart it.