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Suzuki Jimny M13A question bad #4 cylinder

Posted: Thu Jan 19, 2023 11:58 am
by clubbing80s
Hi,
I have a 2007 Suzuki Jimny, type FJB43V with M13A factory engine, with manual gearbox.

The #4 cylinder has eaten it's spark plug the earth electrode is gone and the center electrode is gone, the spark plug was loose when I removed it and covered in carbon. I haven't removed the engine yet or the head yet so the cause and extent of the damage is unknown at this time. Pictures attached

This is what it sounded like https://photos.app.goo.gl/iqF48LXncA1kYYPK8

Would it likely be cheaper to replace the engine?
Would a Suzuki Swift M13A long block be a drop-in replacement?

If I relaced the engine with a M16A what else would I need to replace , ecu ? Could I use the existing gearbox.

Thanks
G