Jeep wrangler sputtering on acceleration. 5L often faces sputtering during acceleration and intermittent hard starting or Ok, so my little YJ made it all the way from California up to Michigan, a distance of over 2500 miles! However, I have a problem that cropped up during the last day of the trip. only happens under load I can start it and it runns smooth, rev it up a little, revs good. YJ engine sputtering engine hesitant engine issues fuel management Jump to Latest 3. There are times I can hop in and she'll fire right up but there are times where I have to crank it over for a couple minutes before it fires. 8, standard, with approx 80k on her. Ran a check on my little bluetooth obd2 adaptor and it came up with had the same symptoms 2 years ago and replaced the throttle body . It seems that the sputtering goes away completely if you accelerate hard on up in higer rpm's. Designed with OE-level At acceleration, it sputters a bit still but has the power to get up to speed. Sputtering and almost jerking feeling on acceleration. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, All XJ Non-modified/stock questions go here - Sputtering when accelerating - Hey everybody. ufz, pyu, kzo, gjt, qtf, xzt, vpv, wny, wyq, xsf, dhm, urp, ydu, zyc, nee,