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Discussion Starter · #1 ·
I have a 2005 Rubicon and i just changed the spark plugs from bosh platinum 4 (Installed from previous owner) to the Autolite APP985 (recommended by a lot of jeep owners). The spark plug washers are installed correctly and all tightened down. The spark plug boots are all seated correctly and the 4 bolts are all tight. When i take off in 1st-3rd i get very jerky throttle response and loud sputter and popping sounds. any ideas what could be wrong

* No check Engine Lights are thrown*

Thanks for your time!!!
 
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