Have a 88 rx7 floods out replaced coils plugs wires cap and rotor have also replaced fuel injectors. engine did start several times with intake removed but floods out with it installed

Plug , coil or injector or in the pcm

- Check engine compression.
- Check valve clearance.
- Check spark plug gaps. (0.8-0.9 mm).
- Check vacuum leak at intake manifold.
- Fuel pump pressure too high.

I assume you have one coil mounted on the intake manifold with a wire going to the center of the cap.
If you replaced the cap, rotor, and wires I can't think of anything that would keep the plugs from firing other than faulty plugs.
Have you checked for spark at the end of the plug wires ?
If the fuel system is dumping fuel into the cylinders, the plugs can become fuel fouled and not fire.
You may have some of the wires mixed up, a timing problem with the distributor, or not enough fuel to the injectors.

Here are some causes.

-No Spark
-Bad fuel injector
-bad temp sensor
-faulty MAF sensor
-grounded injector control wire
-to much fuel pressure
-leaking fuel pressure regulator
-bad computer.
-worn out spark plugs
-bad coil, cap, rotor, or wires.

a year, make, model, and engine size will help!

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

fuel or fire its one of them replace fuel filter change plugs wires cap rotor could be a cloged fuel injector or a vacum leak good luck

P0305 is the generic DTC (Data Trouble Code) for cylinder #5 mis-fire detected, and you have already eliminated the ignition tune-up parts as the problem, the next procedure should be a compression check, at least on the #5 cylinder to rule out the possibility of a mechanical mis-fire. If the compression is good then check the pick-up coil located inside of the distributor for any damage, and there is a possibility that a fuel injector is faulty or has a broken fuel line, and if the upper intake manifold is removed, and the large wire connector and fuel lines replaced back on the fuel injector assembly, then cycling the ignition key off and on several times will show if there is a fuel leak on any of the fuel injector lines, and removing the fuel injector nozzles from the lower intake manifold and then cranking the engine over (have the ignition coil connected but be certain to have the ignition coil high tension wire to the distributor cap grounded) will show if any fuel injectors are not firing or have a plugged up nozzle. The original fuel injector assembly in that vehicle has the actual fuel injector inside of the injector assembly block and the fuel travels through a small plastic tube out to a fuel nozzle attached out on the lower intake manifold for each cylinder, and a replacement fuel injection assembly is made a lot better and will have the fuel injector mounted out from the injector assembly block on the end of a larger heavier plastic tube with covered wires running back along the fuel tube to the injector block. Do you remember what the #5 spark plug looked like when you removed and replaced it and did any of the spark plugs have a black sooty carbon fouling? The #5 cylinder is located at the rear spark plug on the driver side and here is a firing order diagram to assist you. The catalytic converter would not be the suspect and moisture or clear liquid dripping from the tail-pipe is an indication that the catalytic converter is functioning properly, unless coolant or liquid is running out of the tail-pipe, then there might be a faulty intake manifold or cylinder head gasket, and a rotten egg smell is usually caused by poor fuel if the smell is coming from the exhaust, or an over-charging battery condition, (voltage at the battery should be between 14 an 16 volts when the engine is running) and let me know if you require the procedure to remove the upper intake plenum, or if you require any further assistance.

check valve adjustment on #5, is cam lobe worn?

Remove the distributor cap and look to see that the rotor button is turning,and not stopping,the truck,may have jumped time.The timing chain may hve broke.If not,replace the pick up coil in the distributor.

There are several problems that can cause this behavior, Is it cold where you are? If so the geo's have a known issue with starting in cold weather.

If not then here is a list of possible issues

1.) Cracked or damaged ignition coil and/or primary wire.
2.) Fuel Pump.
3.) Clogged fuel injectors (Engine will run rough when it does run if this is the case)
4.) Badly worn spark plugs, Spark Plug wires, Distributor cap and/or rotor.

*** WARNING *** Your ignition system contains dangerous voltage levels that could seriously injure or kill anyone coming into contact with the spark. Be sure to use insulated pliers or a spark tester and follow the instructions. Failure to do so could cause serious injury or death.

Tests to confirm:
1.) Purchase a spark tester from your local auto parts store, Connect a spark plug wire to the tester and connect the tester as described in its documentation, Have a friend crank your engine and watch for a bright blue spark, The spark should happen frequently and with a rythm, If it seems to skip alot proceed to test #4. If you dont see a spark at all the ignition coil is to blame, Even if you do see a spark, It should be bright blue and clearly visible in daylight, If it is then your ignition coil is doing its job.

2.) Get a pressure gague and hook it up to the fuel line, Turn the key off and on several times (Dont start the engine) if the pressure doesn't rise when the key is turned to on, Your fuel pump may be faulty, Even if it does rise it should reach 15 PSI, If it doesnt then replace the fuel pump and fuel pressure regulator.
3.) You would have to remove the injectors. I recommend you have a mechanic check to see if this is the problem.
4.) Remove the distributor cap and check the rotor for carbon tracking (A black line on the end that touches the cap) if you see that, Replace the cap and rotor and try test #1 again. If the rotor and cap are in good condition, reinstall them.

Hello,
your problem appears to be the idle control motor located on the air intake manifold it is a small motor that goes bad quite often. Other items that can cause this is a bad /clogged air filter or a tune up (spark plugs and wires), or clogged fuel injectors. to clean the injectors you can buy a container of fuel system cleaner and pour it into the gas tank and as you drive it cleans the system.

Once the fuel system is cleaned via a tankful of cleaner & gas then the idle controller motor would be next on the list to be replaced.

Good Luck !
Rich Lilja