I've got a 1992 lantra 1.5ltr.are there any tricks to removing the ignition coil??

you've mentioned you've replaced the fuel pump, but the question is is the fuel pump getting any current from the battery or fuse box?

Ignition control module in distributor cap

Try check the ignition coil inside the distributor n the rotor arm.. If coil weak the spark will jump less then half inch n it's orange color.. If rotor arm small leak u will see a black trace some where under the spark distributing rotor arm..

Coil battery circuit may be loose or corroded causing the recurring code/light . Which code number are you getting ? Have you cleaned the throttle body and IAC as that can cause idle issues .

Ok then.

You'll need to get more information. Find an auto parts store that offers free engine code readouts and have them tell you what the engine computer has detected. This will shorten the long list of possible causes. Post again with the results - you may get to post your own solution.
I've had a bad fuel injector driver transistor in the computer (throttle body injection) and an ignition module do this to me.

take the negative cable off the battery,unplug the plugs relaled to the ignition module.remove the ignition wire from the coils ;remember where they were removed from so that you don't cross the wires. once that you've done that remove each coil and the ignition module will be cler and available for you to remove the screws that holds the module in place. install the new module, be sure to follow all directions and repeat the removable instruction in reverse to install new module.

remove extra keys from key ring. if helps replace ignition switch . I never heard of the ignition making trunk pop but there s always a first.

The ignition module is the part under the coil that the connector is plugged into. Remove the coil pack or coils depending on whether it's a magnovox ignition system. You will then be able to remove the module from the bracket. If I remember right there are three nuts that hold the module to the bracket on the underside of the bracket. A 10mm socket should work for these. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

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

I saw what you replaced, didn't see any testing? Any applicable trouble codes? Use a gage and check proper fuel pressure, TBI--9--13 psi. As an example, 5 psi fuel pressure makes a nice looking injector spray pattern, but, 5 psi won't start and run a v8. My opinion.
Could be other issues.