sputter

I am once again asking for your assistance… 1997 Jeep Wrangler 4.0L 6 cylinder Popped a P302 code. Took it to shop they replaced map sensor then told me throttle body needed to be replaced. I ordered and installed a new throttle body. Took it for a test drive today with no luck. It’s...

About a month ago I got a 1999 TJ with 66,000 miles on it. This jeep is a right hand drive and is in great condition cosmetically. Interior was well maintained, frame is undercoated with zero rust. The gentlemen I got it from told me there was a sputter in the engine but it was still drivable...

I am finally caving, and coming to the forum for help. I have a 97 TJ Sport 4.0. A while back, the jeep would begin to sputter, or sound like it was misfiring when it got up to operating temperature and after driving it around for 30-60 minutes. It was / is super weird, but I would pull into...

Hey everyone, We’re having a bizarre problem with an 02 Wrangler X sputtering and occasionally dying. The Jeep runs fine but will sputter with weight in the passenger seat. This is particularly prevalent when the Jeep is put into reverse. If you get out of the passenger seat during a...

Successfully solved a low RPM acceleration sputter a few weeks ago but now I’ve been getting significantly lower gas mileage. Normal MPG is about 15-16 monitored for years, but it has dropped to 13 tops. here’s a timeline of the issues and troubleshooting: while stuck in a traffic jam I...

My jeep starts fine when it's cold, but if I shut it off then immediately try to start it it will hit but not fire. It will also sputter if I drive it on the highway for more than 10 minutes like it's running out of gas. I put a new fuel pump in and it didn't change anything. Any help is much...