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Thanks for the reply. The Jeep has new coils, new champion copper plugs which have always been run in it gapped @.040 new cam sensor, crank sensor, swapped injectors around. Fuel pressure is good and steady. I did not do a leak down. I am going to replace the IAC because it looks pretty shitty...

Hello all, I’m new to the forum. Having issues with my 2004 Liberty. I have a 2004 Liberty with the 3.7, and I’m getting the P0305 misfire code. It idles rough but runs fine at higher RPM. I bought a scanner that reads live data, and the bank 1 fuel trims seem pretty off. STFT at idle is around...