Recent content by Bublius

My scanner is unfortunately a pretty basic one that doesn’t have that capability.

I’ve spent the last two days tinkering, checking the timing, cleaning the throttle body and IAC, and swapping the injectors around to see if it was fuel related. As of now I can make it about 10 miles before it gets unhappy and throws codes p0300, p0301, p0302, and p0305. Any input on the matter...

Well I went and got Autolite APP985 plugs and swapped them over, ran good for about 15 miles then the misfire returned. It’s consistently throwing codes p0300, p0302, and p0305.

Thanks for the advice I will certainly give that a shot!

I seem to get misfire under heavy load once the engine is to operating temperature. The spark plugs are Bosch fine wire double Iridium plugs.

I have a 02 Wrangler with a 4.0 and 3 speed auto. About a year ago I started having some running issues and have since replaced the cam and crank sensors, spark plugs, all 4 O2 sensors, and coil pack. However after all this I am still having a misfire issue that jumps around. Any suggestions on...