MISSFIRE FIAT DOBLO 1.6 119MODEL 2003 GASOLINE

i have this problem for too long, even after the Engine Rebuild

I have a Fiat doblo 119 model of 2002 1,6 cc and its missfiring while it is in IDLE or while driving no matter what's the car speed is (high or low) , this phenomenon is not always happening, sometimes it happens and sometimes it just DOSENT!!... i dont know what to do i just repaired the whole ENGINE,(i had problem with oil and water in the 4rth cylinder) new FULL SET Caskets, new Spark Plugs new Tank Pump new Filters everywhere new Oil new Alternator, i am looking for the spark pipes or the throttle body or the wires or the Electric Multipliers, the MAIN THING IS THAT when it DOSENT MISSFIRE IT WORKS PERFECT, missfire is completelly randomly... HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP

(by the way i had Gas LPG and the problem remained the same, after the rebuild i removed the LPG and left only the gasoline and the problem keep existing)

Comments
No. 1-2
Kiriakos625
Kiriakos625

The car didn't lost its power Scotty, it became better after the rebuild it gained its power back, but the misfire problem existed before I do the rebuild and I don't know why. This is what I am trying to find out and I need help

ScottyKilmer
ScottyKilmer

Editor

so many things can go wrong on a fiat engine rebuild. But have a pro like me road test it until it acts up, then analyze the live and mode 6 data. that's how it's done by a pro

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