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FOLLOW UP.....Replaced the exhaust systems from the manifold, new cats, 4 new 02 sensors, new ignition coil, new PCV value. Recalibrated my speedometer with the iCar Pro scanner for the Jscan app. No problems or codes detected, no misfire in cylinder 1 & 3 all is good. Fuel milage actually got...

I got a bottle of Heet to try and I going to also try Pure gas along with the Heet. I also ordered the iCar Pro scanner for the JScan app, to recalibrate my speedometer. So we'll see if any of this works before I take to the dealer next week. Thanks again for the advice and info.I'll follow up...

okay thank you

Okay thank you for the advice and info, at least I have something else to try.

It would just now start causing a problem? I have had the 35's on for about a year and have not had any issues with the jerking/surging until a couple of weeks ago.

I have not tried Heet, We did think about water when we notice the water in the exhaust. I will try that. I have not recalibrated speedometer. Didn't' even know that was a thing. How do you do that? Stock gears, I believe the 2007 has 4:10, but I'm not positive. I read on another forum that that...

I have a 2007 Jeep Wrangler with approx 92000 miles. a couple of weeks ago the check engine light came on and I scanned. The code was P0301 misfire on cylinder one, but the Jeep was not showing any signs of a problems, no rough idol, no shaking, nothing. Code was cleared. Check engine light came...